Appendix 1C
Appendix 1C Ambient Monitoring Station Data Summary Sheets Tar River Headwaters Subbasin HUC 03020101
2010 NC DWQ TAR-PAMLICO RIVER BASIN PLAN
The full report is available on the DWQ Environmental Sciences Section website: http://portal.ncdenr.org/web/wq/ess/reports.
Appendix 1C
2010 NC DWQ TAR-PAMLICO RIVER BASIN PLAN
Appendix 1C
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT US 158 NR BEREA O0057000 36.33412 Longitude: -78.76803 TPBA
Time period:
Hydrologic Unit Code: 03020101 Stream class: WS-IV NSW NC stream index: 28-(1)
03/07/2007 to 12/15/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
26 26 26 26 26
0 0 0 0 1
50
18 18 18 18
8 3 1 0
N/A >10 N/A N/A
18 18 18 18 18 18 18 18 18 18 18
0 18 18 17 14 0 18 0 18 18 11
N/A >10 >2 >50 >7 >1000 >25 >200 >0.012 >25 >50
74.1 99.7
3 3 5.2 5.2 50
3.6 3.6 6 6 54
4.9 4.9 6.1 6.1 63
7.2 7.2 6.6 6.6 80
9.8 9.8 6.8 6.8 90
12.3 12.3 6.9 6.9 107
13.8 13.8 7.1 7.1 153
0
3.2
8.3
12.5
19.8
23.3
24
24.2
1
5.6
1.5 3
1.7 4.2
2.8 5.2
3.8 7.8
8.2 13.2
41.4 39.1
108 130
0
0
0.01 0.01 0.2 0.03
0.01 0.01 0.24 0.04
0.01 0.02 0.31 0.05
0.02 0.04 0.37 0.06
0.05 0.12 0.65 0.08
0.14 0.18 1.34 0.11
0.18 0.22 1.39 0.15
0 0 0 0 12 0 5 0 0 0
0 0 0 0 66.7 0 27.8 0 0 0
66 5 1 5 2 614 5 25 0.2 10 10
82 5 1 5 2 718 5 26 0.2 10 10
116 5 1 5 2 877 5 33 0.2 10 10
209 5 1 5 2 1126 5 40 0.2 10 10
354 5 1 5 2 1521 5 268 0.2 10 12
1266 5 1 5 3 2683 5 750 0.2 10 18
4337 5 1 9 6 5990 5 2701 0.2 10 23
Other TSS (mg/L) Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Manganese, total (Mn) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
100 99.4
Fecal Coliform Screening(#/100mL) # results: 18
Geomean 50
# > 400: 2
% > 400: %Conf: 11
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT NC 96 NR TAR RIVER O0100000 36.19472 Longitude: -78.58292 NCAMBNT
Time period:
Hydrologic Unit Code: 03020101 Stream class: WS-V NSW NC stream index: 28-(5.7)
01/06/2004 to 12/02/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Salinity (ppt) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
50 50 52 52 19 51
0 0 0 0 0 0
50
2
3.8
2.5 1.7
2.8 3.9
4 7
6.2 9.2
30 17.8
49 41.4
118 65
52 52 52 52
19 13 0 0
N/A >10 N/A N/A
0
0
0.02 0.02 0.23 0.02
0.02 0.02 0.29 0.03
0.02 0.02 0.34 0.04
0.02 0.06 0.46 0.05
0.04 0.11 0.62 0.08
0.06 0.17 0.78 0.14
0.3 0.31 1 0.32
13 13 13 13 13 13 13 13 12 13 12
0 13 13 13 8 0 13 0 12 13 8
N/A >10 >2 >50 >7 >1000 >25 >200 >0.012 >25 >50
0 0 0 0 11 0 5 0 0 0
0 0 0 0 84.6 0 38.5 0 0 0
64 5 1 10 2 210 10 25 0.2 10 10
64 5 1.4 16 2 230 10 43 0.2 10 10
165 5 2 25 2 1350 10 86 0.2 10 10
390 5 2 25 2 2000 10 170 0.2 10 10
1340 8 2 25 3 2250 10 255 0.2 10 12
2780 10 2 25 4 3060 10 378 0.2 10 15
3100 10 2 25 5 3100 10 430 0.2 10 15
94.2
Other TSS (mg/L) Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Manganese, total (Mn) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
100 99.9
Fecal Coliform Screening(#/100mL) # results: 52
Geomean 85
# > 400: 6
% > 400: %Conf: 12
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
FISHING CRK AT SR 1649 NEW COMMERCE DR AT OXFORD O0310000 Hydrologic Unit Code: 03020101 36.29210 Longitude: -78.58294 Stream class: C NSW TPBA NC stream index: 28-11
Time period:
03/07/2007 to 12/15/2008 # # results ND
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
EL
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
28 28 28 28 28
0 0 0 0 0
50
2
10.5
19 19 19 19
6 0 0 1
N/A N/A N/A N/A
69.5 98.2
3.1 3.1 6.3 6.3 80
3.6 3.6 6.6 6.6 81
5.3 5.3 6.7 6.7 154
7.5 7.5 6.9 6.9 224
9.5 9.5 7.1 7.1 254
12.5 12.5 7.1 7.1 292
14.6 14.6 7.3 7.3 363
3.9
8.2
12.3
19.1
21.1
22.8
23.2
3.1
4.7
6.1
14
37
80
110
0.01 0.15 0.23 0.02
0.01 0.16 0.33 0.05
0.01 0.26 0.44 0.08
0.04 0.35 0.53 0.1
0.06 0.47 0.84 0.16
0.12 0.51 1.17 0.18
0.16 0.56 1.49 0.19
Other Turbidity (NTU)
70.5
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Fecal Coliform Screening(#/100mL) # results:
Geomean
# > 400:
19
199
8
% > 400: %Conf: 42
99.3
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
FISHING CRK AT SR 1643 NR CLAY O0600000 36.22317 Longitude: -78.57568 NCAMBNT
Time period:
Hydrologic Unit Code: 03020101 Stream class: C NSW NC stream index: 28-11
01/06/2004 to 12/02/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Salinity (ppt) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
50 50 52 52 20 51
0 0 0 0 0 0
50
4
7.7
2.5 1
2.5 2.9
4.8 4.3
6.2 8.1
16 15.8
39 42.3
150 85
52 52 52 52
28 1 0 0
N/A N/A N/A N/A
0.02 0.02 0.28 0.02
0.02 0.12 0.36 0.04
0.02 0.19 0.41 0.06
0.02 0.33 0.5 0.08
0.04 0.56 0.64 0.11
0.06 0.83 0.76 0.21
0.2 1.3 1.9 0.48
13 13 13 13 13 13 13 12 13 13
1 13 13 13 3 0 13 12 13 0
N/A >10 >2 >50 >7 >1000 >25 >0.012 >88 >50
50 5 1 10 2 170 10 0.2 10 12
64 5 1.4 16 2 314 10 0.2 10 15
140 5 2 25 2 740 10 0.2 10 23
570 5 2 25 2 1100 10 0.2 10 29
2100 8 2 25 5 2850 10 0.2 10 40
2960 10 2 25 8 4080 10 0.2 10 105
3000 10 2 25 9 4800 10 0.2 10 140
Other TSS (mg/L) Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
0 0 0 2 8 0 0 0 2
0 0 0 15.4 61.5 0 0 0 15.4
86.6 100
86.6
Fecal Coliform Screening(#/100mL) # results: 52
Geomean 131
# > 400: 10
% > 400: %Conf: 19
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT SR 1003 SIMS BRIDGE RD NR LOUISBURG O1025000 Hydrologic Unit Code: 03020101 36.14222 Longitude: -78.37218 Stream class: WS-IV NSW TPBA NC stream index: 28-(15.5)
Time period:
03/07/2007 to 12/15/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
32 32 32 32 32
0 0 0 0 0
50
2
9.1
3 6.3
3.2 6.9
5.1 8
8 11.5
13.2 18
57.1 75.6
128 230
22 22 22 22
10 1 1 0
N/A >10 N/A N/A
0
0
0.01 0.01 0.2 0.04
0.01 0.04 0.21 0.05
0.01 0.06 0.31 0.06
0.02 0.1 0.48 0.07
0.04 0.15 0.71 0.11
0.08 0.24 0.96 0.19
0.11 0.32 1.54 0.29
22 22 22 22 22 22 22 22 22 22 22
0 22 22 21 13 0 21 0 22 22 18
N/A >10 >2 >50 >7 >1000 >25 >200 >0.012 >25 >50
0 0 0 1 21 0 10 0 0 0
0 0 0 4.5 95.5 0 45.5 0 0 0
96 5 1 5 2 453 5 37 0.2 10 10
107 5 1 5 2 1151 5 63 0.2 10 10
190 5 1 5 2 1297 5 101 0.2 10 10
308 5 1 5 2 1580 5 188 0.2 10 10
496 5 1 5 2 2063 5 407 0.2 10 10
2260 5 1 5 4 4305 5 587 0.2 10 14
12025 5 1 9 13 9260 6 624 0.2 10 22
Other TSS (mg/L) Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Manganese, total (Mn) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
100 100
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 111
# > 400: 5
% > 400: %Conf: 23 73.3
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TABBS CRK AT SR 1100 EGYPT MOUNTAIN RD NR KITTRELL O1030000 Hydrologic Unit Code: 03020101 36.18229 Longitude: -78.45562 Stream class: C NSW TPBA NC stream index: 28-17-(0.5)
Time period:
03/07/2007 to 12/15/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
31 31 31 31 31
0 0 0 0 0
50
1
4.8
2.3 5
3.4 6.1
5.4 9
7.8 13
20 22.5
68.8 44
84 190
21 21 21 21
8 1 1 0
N/A N/A N/A N/A
0.01 0.01 0.2 0.03
0.01 0.02 0.22 0.05
0.01 0.03 0.32 0.07
0.02 0.1 0.51 0.08
0.08 0.16 0.75 0.12
0.12 0.2 1.81 0.16
0.53 0.35 2.87 0.19
99
Other TSS (mg/L) Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Fecal Coliform Screening(#/100mL) # results: 21
Geomean 112
# > 400: 5
% > 400: %Conf: 24 76.9
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT US 401 AT LOUISBURG O1100000 36.09438 Longitude: -78.29766 NCAMBNT
Time period:
Hydrologic Unit Code: 03020101 Stream class: WS-V NSW NC stream index: 28-(24.7)
01/07/2004 to 12/10/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Salinity (ppt) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
51 51 52 52 20 52
0 0 0 0 0 0
50
2
3.8
2.8 4.9
5 7.6
6.2 9
9.8 12.5
25 19.5
44 36.6
100 120
13 13 13 13 13 13 13 13 12 13 13
0 13 13 13 8 0 12 0 12 12 10
N/A >10 >2 >50 >7 >1000 >25 >200 >0.012 >25 >50
0 0 0 1 13 0 8 0 0 1
0 0 0 7.7 100 0 61.5 0 0 7.7
100 5 1 10 2 1300 10 58 0.2 10 10
112 5 1.4 16 2 1380 10 68 0.2 10 10
270 5 2 25 2 1600 10 117 0.2 10 10
580 5 2 25 2 1800 10 240 0.2 10 10
1550 8 2 25 3 2900 10 475 0.2 10 10
Other TSS (mg/L) Turbidity (NTU)
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Manganese, total (Mn) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
100 100
Fecal Coliform Screening(#/100mL) # results: 52
Geomean 96
# > 400: 5
% > 400: %Conf: 10
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
7640 11000 10 10 2 2 25 25 14 20 15200 22000 17 21 1352 1900 0.2 0.2 11 11 41 59
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
CEDAR CRK AT SR 1116 CEDAR CREEK RD NR FRANKLINTON O1600000 Hydrologic Unit Code: 03020101 36.06615 Longitude: -78.43130 Stream class: C NSW TPBA NC stream index: 28-29-(2)
Time period:
03/07/2007 to 12/15/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
32 32 32 32 32
0 0 0 0 0
50
1
4.5
6.9
7.2
8.8
12
19
22.1
60
22 22 22 22
7 0 2 1
N/A N/A N/A N/A
0.01 0.02 0.2 0.02
0.01 0.03 0.22 0.04
0.01 0.06 0.27 0.06
0.03 0.11 0.45 0.06
0.05 0.17 0.56 0.08
0.08 0.22 1.12 0.11
0.37 0.31 1.54 0.12
Other Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 81
# > 400: 2
% > 400: %Conf: 9
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
CEDAR CRK AT SR 1109 TIMBERLAKE RD NR LOUISBURG O1920000 Hydrologic Unit Code: 03020101 36.06024 Longitude: -78.35373 Stream class: C NSW TPBA NC stream index: 28-29-(2)
Time period:
03/07/2007 to 12/15/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
31 31 31 31 31
0 0 0 0 0
50
4
19
9.5
11
13
17
39.5
98.4
110
21 21 21 21
4 0 0 1
N/A N/A N/A N/A
0.01 0.33 0.28 0.02
0.01 0.37 0.3 0.05
0.02 0.55 0.53 0.06
0.05 0.7 0.66 0.09
0.1 0.95 0.88 0.12
0.17 1.07 1.29 0.16
0.2 1.19 1.36 0.51
Other Turbidity (NTU)
94.8
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Fecal Coliform Screening(#/100mL) # results: 21
Geomean 168
# > 400: 5
% > 400: %Conf: 24 76.9
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT SR 1001 NR BUNN O2000000 36.00228 Longitude: -78.24334 NCAMBNT
Time period:
Hydrologic Unit Code: 03020101 Stream class: WS-V NSW NC stream index: 28-(24.7)
01/07/2004 to 12/10/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Salinity (ppt) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
51 51 52 52 20 52
0 0 0 0 0 0
50
1
1.9
4.5 5.2
6.2 9
8 10.2
12 14
33 19
54 35.4
58 70
12 13 13 13 13 13 13 13 12 13 13
0 13 13 13 9 0 13 0 12 13 11
N/A >10 >2 >50 >7 >1000 >25 >200 >0.012 >25 >50
0 0 0 0 13 0 8 0 0 0
0 0 0 0 100 0 61.5 0 0 0
210 5 1 10 2 1200 10 68 0.2 10 10
213 5 1.4 16 2 1240 10 74 0.2 10 10
248 5 2 25 2 1500 10 99 0.2 10 10
535 5 2 25 2 1700 10 250 0.2 10 10
1550 8 2 25 3 2500 10 260 0.2 10 10
2150 10 2 25 4 3760 10 418 0.2 10 13
2300 10 2 25 4 4400 10 470 0.2 10 14
75.5
Other TSS (mg/L) Turbidity (NTU)
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Manganese, total (Mn) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
100 100
Fecal Coliform Screening(#/100mL) # results: 52
Geomean 82
# > 400: 3
% > 400: %Conf: 6
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT SR 1001 NR BUNN O2000000 36.00228 Longitude: -78.24334 TPBA
Time period:
Hydrologic Unit Code: 03020101 Stream class: WS-V NSW NC stream index: 28-(24.7)
03/07/2007 to 12/15/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
31 31 31 31 31
0 0 0 0 0
50
0
0
8.8
9.2
11
13
18
42.4
50
21 21 21 21
7 0 2 0
N/A >10 N/A N/A
0
0
0.01 0.07 0.2 0.04
0.01 0.1 0.2 0.04
0.01 0.11 0.33 0.06
0.03 0.16 0.54 0.07
0.06 0.18 0.61 0.1
0.09 0.25 0.82 0.12
0.11 0.27 0.95 0.47
80.7
Other Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Fecal Coliform Screening(#/100mL) # results: 21
Geomean 104
# > 400: 3
% > 400: %Conf: 14
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
CROOKED CRK AT SR 1719 BUNN ELEMENTARY SCHOOL RD NR BUNN O2015000 Hydrologic Unit Code: 03020101 35.94504 Longitude: -78.26054 Stream class: C NSW TPBA NC stream index: 28-30
Time period:
03/07/2007 to 12/15/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
32 32 32 32 32
0 0 0 0 0
50
1
22 22 22 22
9 20 0 0
N/A N/A N/A N/A
100 100
0.1 0.1 6.2 6.2 53
0.3 0.3 6.3 6.3 58
1.1 1.1 6.4 6.4 65
3.1 3.1 6.5 6.5 90
7.4 7.4 6.7 6.7 118
9.5 9.5 6.8 6.8 126
10.9 10.9 7.2 7.2 170
0
4.3
9.3
15.7
22.1
25.1
26.8
27.5
4.5
3.3
3.5
4.7
7.6
22.5
35.4
52
0.01 0.01 0.28 0.05
0.01 0.01 0.34 0.05
0.01 0.01 0.42 0.07
0.02 0.01 0.55 0.11
0.06 0.01 0.77 0.18
0.14 0.01 1.2 0.31
0.23 0.02 1.5 0.35
Other Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 89
# > 400: 2
% > 400: %Conf: 9
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
CROOKED CRK AT NC 98 NR BUNN O2020000 35.93863 Longitude: -78.20892 TPBA
Time period:
Hydrologic Unit Code: 03020101 Stream class: C NSW NC stream index: 28-30
03/07/2007 to 12/15/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
32 32 32 32 32
0 0 0 0 0
50
0
22 22 22 22
5 13 0 0
N/A N/A N/A N/A
100 100
1.2 1.2 6.2 6.2 55
1.5 1.5 6.4 6.4 62
2.4 2.4 6.6 6.6 71
4.3 4.3 6.8 6.8 93
7.5 7.5 6.9 6.9 129
10.9 10.9 7 7 164
11.8 11.8 7.1 7.1 190
0
4.2
9.7
15.4
22.8
26.1
27.4
28.7
0
4.1
5.6
7.1
9.5
17.5
28.4
50
0.01 0.01 0.27 0.06
0.01 0.01 0.42 0.06
0.01 0.01 0.56 0.07
0.04 0.01 0.71 0.1
0.07 0.02 0.97 0.13
0.11 0.04 1.24 0.22
0.19 0.1 1.28 0.24
Other Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 58
# > 400: 2
% > 400: %Conf: 9
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT SR 1145 OLD SPRING HOPE RD NR SPRING HOPE O2101000 Hydrologic Unit Code: 03020101 35.90506 Longitude: -78.11319 Stream class: WS-V NSW TPBA NC stream index: 28-(24.7)
Time period:
03/13/2007 to 12/18/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
32 32 32 32 32
0 0 0 0 1
50
1
4.5
3.8
5.4
6.8
11
23
27.5
140
22 22 22 22
6 0 1 1
N/A >10 N/A N/A
0
0
0.01 0.01 0.2 0.02
0.01 0.03 0.21 0.02
0.01 0.06 0.27 0.06
0.05 0.11 0.39 0.09
0.13 0.16 0.51 0.12
0.19 0.18 0.9 0.14
0.51 0.28 1.02 0.21
96.4
Other Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 37
# > 400: 2
% > 400: %Conf: 9
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT NC 581 NR STANHOPE O2102000 35.88205 Longitude: -78.08932 TPBA
Time period:
Hydrologic Unit Code: 03020101 Stream class: WS-V NSW NC stream index: 28-(24.7)
03/13/2007 to 12/18/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
32 32 32 32 32
0 0 0 0 1
50
1
4.5
3.1
3.9
5.5
11.5
19.2
24.7
84
22 22 22 22
6 0 0 1
N/A >10 N/A N/A
0
0
0.01 0.02 0.21 0.02
0.01 0.07 0.28 0.04
0.01 0.1 0.35 0.07
0.04 0.12 0.4 0.09
0.08 0.18 0.54 0.1
0.13 0.2 1.1 0.19
0.15 0.27 5.91 1.46
96.4
Other Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 32
# > 400: 2
% > 400: %Conf: 9
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT SR 1981 TAR RIVER CHURCH RD NR CLIFTONVILLE O2140000 Hydrologic Unit Code: 03020101 35.84663 Longitude: -77.96394 Stream class: WS-IV NSW CA TPBA NC stream index: 28-(35.5)
Time period:
03/13/2007 to 12/18/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
32 32 32 32 32
0 0 0 0 1
50
1
4.5
7.4
8.2
13
17.5
24.8
45
190
22 22 22 22
5 2 2 0
N/A >10 N/A N/A
0
0
0.01 0.01 0.2 0.02
0.01 0.01 0.21 0.04
0.01 0.05 0.3 0.07
0.04 0.16 0.37 0.1
0.1 0.23 0.67 0.12
0.12 0.26 0.97 0.28
0.22 0.28 1.16 3.21
22 22 22 22 22 22 22 22 22 22 22
0 22 22 21 8 0 21 0 22 22 19
N/A >10 >2 >50 >7 >1000 >25 >200 >0.012 >25 >50
0 0 0 1 19 0 10 0 0 0
0 0 0 4.5 86.4 0 45.5 0 0 0
100 5 1 5 2 640 5 50 0.2 10 10
172 5 1 5 2 892 5 69 0.2 10 10
255 5 1 5 2 1276 5 106 0.2 10 10
459 5 1 5 2 1589 5 158 0.2 10 10
1066 5 1 5 2 2050 5 280 0.2 10 10
2045 5 1 5 4 2587 5 559 0.2 10 15
7274 5 1 8 10 2816 5 817 0.2 10 18
78.9
Other Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Manganese, total (Mn) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
100 100
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 73
# > 400: 3
% > 400: %Conf: 14
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
SAPONY CRK AT SR 1704 BATCHELOR DR NR NASHVILLE O2320000 Hydrologic Unit Code: 03020101 35.93201 Longitude: -77.93478 Stream class: WS-IV NSW TPBA NC stream index: 28-55-(5.5)
Time period:
03/13/2007 to 12/18/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
32 32 32 32 32
0 0 0 0 0
50
0
100 100
1 1 5.6 5.6 63
1.3 1.3 6.1 6.1 81
2 2 6.5 6.5 94
3.5 3.5 6.8 6.8 110
6.7 6.7 6.9 6.9 124
8 8 7.1 7.1 153
10.2 10.2 7.1 7.1 257
0
3.6
6.1
12.2
19.8
23.8
26
26.9
0
3.7
4.3
6
10.2
16.2
27.7
36
Other Turbidity (NTU)
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 100
# > 400: 2
% > 400: %Conf: 9
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT US 301 BYP AT ROCKY MOUNT O2360000 Hydrologic Unit Code: 03020101 35.92572 Longitude: -77.83067 Stream class: WS-IV NSW TPBA NC stream index: 28-(64.5)
Time period:
03/13/2007 to 12/18/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
32 32 32 32 32
0 0 0 0 0
50
22 22 22 22
4 1 0 1
N/A >10 N/A N/A
96.4 100
2 2 6.4 6.4 58
3.2 3.2 6.5 6.5 71
4.3 4.3 6.7 6.7 78
6 6 6.9 6.9 96
9.5 9.5 7 7 115
11.3 11.3 7.1 7.1 137
12.8 12.8 8.1 8.1 153
0
6.9
10
13.7
22.4
27
28.7
29.4
1
4.5
1 1.8
1.1 2.4
1.7 2.8
3.4 7.7
6.1 15.5
11.7 29.3
13 55
0
0
0.01 0.01 0.24 0.02
0.01 0.04 0.28 0.04
0.02 0.1 0.46 0.06
0.05 0.13 0.62 0.07
0.09 0.26 0.79 0.1
0.15 0.43 1.19 0.14
0.26 0.69 3.2 0.39
Other TSS (mg/L) Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 37
# > 400: 1
% > 400: %Conf: 5
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
STONY CRK AT WINSTEAD AVE NR LITTLE EASONBURG O3140000 Hydrologic Unit Code: 03020101 35.96880 Longitude: -77.84967 Stream class: C NSW TPBA NC stream index: 28-68
Time period:
03/13/2007 to 12/18/2008 # # results ND
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
EL
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
32 32 32 32 32
0 0 0 0 0
50
1
22 22 22 22
8 2 2 0
N/A N/A N/A N/A
98.8 99.9
2.5 2.5 5.6 5.6 51
3.1 3.1 6.4 6.4 77
4.2 4.2 6.6 6.6 82
5.6 5.6 6.8 6.8 98
8.1 8.1 7 7 110
9.7 9.7 7.2 7.2 118
13.1 13.1 9.1 9.1 121
0
4.1
7.6
12.3
20.4
24
26
27.6
4.5
1.3 2.9
1.5 3.2
2.2 5.4
3.4 8.6
7.3 19
15.8 23
43 60
0.01 0.01 0.2 0.04
0.01 0.03 0.28 0.06
0.01 0.14 0.56 0.07
0.02 0.21 0.69 0.09
0.06 0.28 0.74 0.12
0.22 0.34 0.92 0.18
0.29 0.51 1.27 0.19
Other TSS (mg/L) Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Fecal Coliform Screening(#/100mL) # results:
Geomean
# > 400:
22
145
5
% > 400: %Conf: 23
73.3
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT NC 97 AT ROCKY MOUNT O3180000 35.95438 Longitude: -77.78740 NCAMBNT
Time period:
Hydrologic Unit Code: 03020101 Stream class: C NSW NC stream index: 28-(69)
01/29/2004 to 12/04/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Salinity (ppt) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
47 47 51 51 21 52
0 0 0 0 0 0
50
0
0
2.5 1.5
2.5 2.5
2.5 3.9
6.2 8.2
7 12
16 18.4
30 32
13 13 13 13 13 13 13 12 13 13
0 13 13 13 12 0 13 12 13 12
N/A >10 >2 >50 >7 >1000 >25 >0.012 >88 >50
0 0 0 0 10 0 0 0 0
0 0 0 0 76.9 0 0 0 0
64 5 1 10 2 320 10 0.2 10 10
73 5 1.4 16 2 356 10 0.2 10 10
115 5 2 25 2 970 10 0.2 10 10
370 5 2 25 2 1400 10 0.2 10 10
545 8 2 25 2 1700 10 0.2 10 10
752 10 2 25 2 2340 10 0.2 10 11
780 10 2 25 2 2500 10 0.2 10 11
Other TSS (mg/L) Turbidity (NTU)
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
100
Fecal Coliform Screening(#/100mL) # results: 52
Geomean 65
# > 400: 5
% > 400: %Conf: 10
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT SR 1250 SPRINGFIELD RD AT ROCKY MOUNT O3189000 Hydrologic Unit Code: 03020101 35.97789 Longitude: -77.75769 Stream class: C NSW TPBA NC stream index: 28-(69)
Time period:
03/13/2007 to 12/18/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
32 32 32 32 32
0 0 0 0 0
50
0
0
1 1.7
1.1 2.5
1.9 3.4
6 10.4
11 16.2
39.5 29
43 50
22 22 22 22
2 0 2 1
N/A N/A N/A N/A
0.01 0.06 0.2 0.02
0.01 0.06 0.24 0.05
0.03 0.13 0.45 0.06
0.05 0.2 0.59 0.09
0.1 0.26 0.65 0.11
0.15 0.39 0.71 0.15
0.17 0.45 1.08 0.15
22 22 22 22 22 22 22 22 22 22
3 22 22 22 8 0 22 22 22 16
N/A >10 >2 >50 >7 >1000 >25 >0.012 >88 >50
50 5 1 5 2 209 5 0.2 10 10
50 5 1 5 2 327 5 0.2 10 10
85 5 1 5 2 661 5 0.2 10 10
254 5 1 5 3 1188 5 0.2 10 10
690 5 1 5 3 1840 5 0.2 10 10
1322 5 1 5 4 2756 5 0.2 10 22
1465 5 1 5 5 8710 5 0.2 10 34
Other TSS (mg/L) Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
0 0 0 0 14 0 0 0 0
0 0 0 0 63.6 0 0 0 0
100
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 73
# > 400: 3
% > 400: %Conf: 14
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT SR 1252 NR HARTSEASE O3600000 35.94090 Longitude: -77.65511 NCAMBNT
Time period:
Hydrologic Unit Code: 03020101 Stream class: WS-IV NSW NC stream index: 28-(74)
01/29/2004 to 12/04/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Salinity (ppt) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
47 47 51 51 21 52
0 0 0 0 0 0
50
0
0
2.5 1
2.8 2.3
2.8 4
6.2 7.6
9.2 14
22 18.4
52 40
52 52 52 52
12 1 0 0
N/A >10 N/A N/A
0
0
0.02 0.02 0.29 0.04
0.02 0.22 0.37 0.06
0.02 0.32 0.43 0.08
0.03 0.43 0.5 0.1
0.05 0.55 0.6 0.13
0.07 0.74 0.64 0.19
1.6 2.4 2.2 0.37
13 13 13 13 13 13 13 13 12 13 13
0 13 13 13 7 0 13 0 12 12 8
N/A >10 >2 >50 >7 >1000 >25 >200 >0.012 >25 >50
0 0 0 0 9 0 2 0 0 0
0 0 0 0 69.2 0 15.4 0 0 0
68 5 1 10 2 330 10 44 0.2 10 10
93 5 1.4 16 2 370 10 44 0.2 10 10
145 5 2 25 2 810 10 57 0.2 10 10
330 5 2 25 2 1300 10 91 0.2 10 10
685 8 2 25 2 1550 10 125 0.2 10 12
1060 10 2 25 4 2660 10 300 0.2 10 18
1100 10 2 25 4 2900 10 360 0.2 10 22
Other TSS (mg/L) Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Manganese, total (Mn) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
100 86.6
Fecal Coliform Screening(#/100mL) # results: 52
Geomean 58
# > 400: 3
% > 400: %Conf: 6
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT SR 1252 NR HARTSEASE O3600000 35.94090 Longitude: -77.65511 TPBA
Time period:
Hydrologic Unit Code: 03020101 Stream class: WS-IV NSW NC stream index: 28-(74)
03/13/2007 to 12/18/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
32 32 32 32 32
0 0 0 0 0
50
0
0
1 2.3
1.3 2.6
1.9 3.4
7.2 11.5
13 21
20.4 30.6
23 40
22 22 22 22
3 0 0 1
N/A >10 N/A N/A
0
0
0.01 0.12 0.33 0.02
0.01 0.19 0.4 0.06
0.03 0.34 0.5 0.08
0.04 0.47 0.57 0.1
0.09 0.71 0.73 0.18
0.14 1.55 0.99 0.21
0.16 1.74 1.74 0.39
22 22 22 22 22 22 22 22 22 22 22
1 22 22 22 5 0 22 0 22 22 12
N/A >10 >2 >50 >7 >1000 >25 >200 >0.012 >25 >50
0 0 0 0 12 0 5 0 0 0
0 0 0 0 54.5 0 22.7 0 0 0
50 5 1 5 2 272 5 48 0.2 10 10
74 5 1 5 2 307 5 54 0.2 10 10
108 5 1 5 2 626 5 88 0.2 10 10
369 5 1 5 3 1122 5 112 0.2 10 10
626 5 1 5 3 1754 5 204 0.2 10 16
1362 5 1 5 5 2264 5 260 0.2 10 28
1600 5 1 5 6 2758 5 286 0.2 10 32
Other TSS (mg/L) Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Manganese, total (Mn) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
100 98.2
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 69
# > 400: 3
% > 400: %Conf: 14
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
SANDY CRK AT SR 1432 NR GUPTON O3830000 36.17785 Longitude: -78.19089 NCAMBNT
Time period:
Hydrologic Unit Code: 03020101 Stream class: B NSW + NC stream index: 28-78-1-(8)
01/07/2004 to 12/10/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Salinity (ppt) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
51 51 52 52 20 52
0 0 0 0 0 0
50
0
0
2.5 2.8
2.5 3
3 3.5
6 4.9
6.2 6.6
7 9.5
8 20
13 13 13 13 13 13 13 12 13 13
0 13 13 13 13 0 13 12 13 12
N/A >10 >2 >50 >7 >1000 >25 >0.012 >88 >50
0 0 0 0 11 0 0 0 0
0 0 0 0 84.6 0 0 0 0
58 5 1 10 2 830 10 0.2 10 10
58 5 1.4 16 2 878 10 0.2 10 10
72 5 2 25 2 1150 10 0.2 10 10
120 5 2 25 2 1800 10 0.2 10 10
285 8 2 25 2 1900 10 0.2 10 10
568 10 2 25 2 2200 10 0.2 10 16
660 10 2 25 2 2200 10 0.2 10 20
Other TSS (mg/L) Turbidity (NTU)
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
100
Fecal Coliform Screening(#/100mL) # results: 52
Geomean 34
# > 400: 0
% > 400: %Conf: 0
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
SWIFT CRK AT SR 1310 AT HILLIARDSTON O3870000 Hydrologic Unit Code: 03020101 36.11175 Longitude: -77.92122 Stream class: C ORW NSW NCAMBNT NC stream index: 28-78-(0.5)
Time period:
01/29/2004 to 12/04/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Salinity (ppt) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
47 47 51 51 21 52
0 0 0 0 0 0
50
0
0
3.5 3
3.5 3.8
5 5.4
6.2 7.5
9 11
16 15.7
91 50
13 13 13 13 13 13 13 12 13 13
0 13 13 13 11 0 13 12 13 11
N/A >10 >2 >50 >7 >1000 >25 >0.012 >88 >50
0 0 0 0 12 0 0 0 0
0 0 0 0 92.3 0 0 0 0
90 5 1 10 2 880 10 0.2 10 10
106 5 1.4 16 2 968 10 0.2 10 10
155 5 2 25 2 1100 10 0.2 10 10
210 5 2 25 2 1800 10 0.2 10 10
335 8 2 25 2 2050 10 0.2 10 10
1116 10 2 25 3 3000 10 0.2 10 12
1500 10 2 25 3 3400 10 0.2 10 13
Other TSS (mg/L) Turbidity (NTU)
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
100
Fecal Coliform Screening(#/100mL) # results: 52
Geomean 103
# > 400: 5
% > 400: %Conf: 10
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
SWIFT CRK AT SR 1253 NR LEGGETT O4000000 35.96679 Longitude: -77.58535 NCAMBNT
Time period:
Hydrologic Unit Code: 03020101 Stream class: WS-IV NSW NC stream index: 28-78-(6.5)
03/24/2004 to 12/04/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Salinity (ppt) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
44 44 48 48 18 48
0 0 0 0 0 0
50
0
0
2.5 2.5
2.5 3.1
3.1 4.1
4.5 5.2
6.2 7.4
14.4 11
20 40
11 11 11 11 11 11 11 10 10 11 11
0 11 11 11 10 0 11 0 10 11 11
N/A >10 >2 >50 >7 >1000 >25 >200 >0.012 >25 >50
0 0 0 0 8 0 1 0 0 0
0 0 0 0 72.7 0 10 0 0 0
80 5 1 10 2 750 10 26 0.2 10 10
83 5 1.2 13 2 766 10 28 0.2 10 10
100 5 2 25 2 930 10 54 0.2 10 10
130 5 2 25 2 1500 10 88 0.2 10 10
200 5 2 25 2 2000 10 170 0.2 10 10
418 10 2 25 4 2900 10 269 0.2 10 10
430 10 2 25 5 3100 10 280 0.2 10 10
Other TSS (mg/L) Turbidity (NTU)
Metals (ug/L) Aluminum, total (Al) Arsenic, total (As) Cadmium, total (Cd) Chromium, total (Cr) Copper, total (Cu) Iron, total (Fe) Lead, total (Pb) Manganese, total (Mn) Mercury, total (Hg) Nickel, total (Ni) Zinc, total (Zn)
100 73.6
Fecal Coliform Screening(#/100mL) # results: 49
Geomean 75
# > 400: 5
% > 400: %Conf: 10
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT NC 33 NR TARBORO O4100000 35.92844 Longitude: -77.54984 TPBA
Time period:
Hydrologic Unit Code: 03020101 Stream class: WS-IV NSW NC stream index: 28-(74)
03/13/2007 to 12/18/2008 # # results ND
EL
Results not meeting EL Percentiles # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) pH (SU) Spec. conductance (umhos/cm at 25°C) Water Temperature (°C)
32 32 32 32 32
0 0 0 0 0
50
0
0
2.1
3.2
4.2
15
28.5
39.1
49
22 22 22 22
5 0 1 1
N/A >10 N/A N/A
0
0
0.01 0.13 0.2 0.02
0.01 0.13 0.27 0.06
0.02 0.26 0.46 0.09
0.04 0.38 0.54 0.12
0.08 0.53 0.67 0.19
0.13 1 0.94 0.37
0.15 1.34 1.3 0.54
Other Turbidity (NTU)
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 73
# > 400: 2
% > 400: %Conf: 9
Key: # result: number of observations # ND: number of observations reported to be below detection level (non-detect) EL: Evaluation Level; applicable numeric or narrative water quality standard or action level Results not meeting EL: number and percentages of observations not meeting evaluation level %Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
