Appendix 3C
Appendix 3C Ambient Monitoring Station Data Summary Sheets Tar River Subbasin HUC 03020103
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 3C
2010 NC DWQ TAR-PAMLICO RIVER BASIN PLAN
Appendix 3C
Ambient Monitoring System Station Summaries NCDENR, Division of Water Quality Basinwide Assessment Report
Location: Station #: Latitude: Agency:
TAR RIV AT NC 33 AND US 64 BUS AT TARBORO O5250000 Hydrologic Unit Code: 03020103 35.89352 Longitude: -77.53233 Stream class: C NSW NCAMBNT NC stream index: 28-(80)
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 20 52
0 0 0 0 0 0
50
0
0
2.5 2.2
3.8 3.1
6.2 5.2
7.8 10
14 15.8
36 20.7
56 28
52 52 52 52
19 1 0 0
N/A N/A N/A N/A
0.02 0.02 0.24 0.04
0.02 0.13 0.33 0.05
0.02 0.18 0.4 0.07
0.02 0.3 0.46 0.1
0.03 0.36 0.6 0.12
0.05 0.43 0.69 0.18
0.14 0.6 0.89 0.41
13 13 13 13 13 13 13 12 13 13
0 13 13 13 9 0 13 12 13 10
N/A >10 >2 >50 >7 >1000 >25 >0.012 >88 >50
64 5 1 10 2 690 10 0.2 10 10
102 5 1.4 16 2 726 10 0.2 10 10
190 5 2 25 2 1050 10 0.2 10 10
330 5 2 25 2 1200 10 0.2 10 10
570 8 2 25 2 1550 10 0.2 10 10
1160 10 2 25 2 2820 10 0.2 10 16
1200 10 2 25 2 3100 10 0.2 10 18
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 10 0 0 0 0
0 0 0 0 76.9 0 0 0 0
100
Fecal Coliform Screening(#/100mL) # results: 52
Geomean 50
# > 400: 2
% > 400: %Conf: 4
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 AND US 64 BUS AT TARBORO O5250000 Hydrologic Unit Code: 03020103 35.89352 Longitude: -77.53233 Stream class: C NSW TPBA NC stream index: 28-(80)
Time period:
04/13/2007 to 12/19/2008 # # 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
1.6 1.4
2.1 3.7
3.6 4.5
9.9 10
13 13
27.4 36.2
31 40
21 21 21 21
4 0 2 0
N/A N/A N/A N/A
0.01 0.08 0.2 0.04
0.01 0.23 0.22 0.05
0.01 0.29 0.39 0.08
0.03 0.38 0.5 0.12
0.08 0.49 0.72 0.14
0.1 0.66 0.84 0.2
0.1 0.82 0.92 0.23
21 21 21 21 21 21 21 21 21 21
1 21 21 21 11 0 21 21 21 13
N/A >10 >2 >50 >7 >1000 >25 >0.012 >88 >50
50 5 1 5 2 258 5 0.2 10 10
87 5 1 5 2 498 5 0.2 10 10
138 5 1 5 2 696 5 0.2 10 10
283 5 1 5 2 1364 5 0.2 10 10
484 5 1 5 2 1657 5 0.2 10 14
914 5 1 5 3 2155 5 0.2 10 31
990 5 1 5 3 2326 5 0.2 10 35
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 66.7 0 0 0 0
100
Fecal Coliform Screening(#/100mL) # results: 21
Geomean 44
# > 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:
TAR RIV AT US 64 NR TARBORO O5270000 35.88746 Longitude: -77.53873 TPBA
Time period:
Hydrologic Unit Code: 03020103 Stream class: C NSW NC stream index: 28-(80)
03/09/2007 to 03/09/2007 # # 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)
1 1 1 1 1
0 0 0 0 0
50
0
0
12 27
12 27
12 27
12 27
12 27
12 27
12 27
1 1 1 1
1 0 0 0
N/A N/A N/A N/A
0.01 0.25 0.74 0.15
0.01 0.25 0.74 0.15
0.01 0.25 0.74 0.15
0.01 0.25 0.74 0.15
0.01 0.25 0.74 0.15
0.01 0.25 0.74 0.15
0.01 0.25 0.74 0.15
1 1 1 1 1 1 1 1 1 1
0 1 1 1 1 0 1 1 1 1
N/A >10 >2 >50 >7 >1000 >25 >0.012 >88 >50
985 5 1 5 2 1975 5 0.2 10 10
985 5 1 5 2 1975 5 0.2 10 10
985 5 1 5 2 1975 5 0.2 10 10
985 5 1 5 2 1975 5 0.2 10 10
985 5 1 5 2 1975 5 0.2 10 10
985 5 1 5 2 1975 5 0.2 10 10
985 5 1 5 2 1975 5 0.2 10 10
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 1 0 0 0 0
0 0 0 0 100 0 0 0 0
Fecal Coliform Screening(#/100mL) # results: 1
Geomean 41
# > 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:
TOWN CRK AT NC 111 SR 1202 NR WIGGINS CROSSROADS O5600000 Hydrologic Unit Code: 03020103 35.82238 Longitude: -77.63390 Stream class: C NSW TPBA NC stream index: 28-83
Time period:
03/09/2007 to 12/19/2008 # # 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 90.6
1 1 5.6 5.6 78
1.3 1.3 5.8 5.8 92
1.9 1.9 6.1 6.1 105
3.8 3.8 6.5 6.5 118
5 5 6.7 6.7 124
7 7 6.9 6.9 142
10.5 10.5 7 7 286
0
3.8
9.4
14
22.5
25.7
27
27.4
0
2.7
3.7
4.5
5.4
6.6
8.8
27
Other Turbidity (NTU)
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 51
# > 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:
TOWN CRK AT US 258 NR COBBS CROSSROADS O5990000 Hydrologic Unit Code: 03020103 35.79828 Longitude: -77.59144 Stream class: C NSW TPBA NC stream index: 28-83
Time period:
03/09/2007 to 12/19/2008 # # 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
1.8 1.8 5.7 5.7 81
2.2 2.2 5.9 5.9 90
3 3 6.3 6.3 104
4.1 4.1 6.5 6.5 118
6.9 6.9 6.8 6.8 138
9 9 6.8 6.8 154
12.5 12.5 6.9 6.9 158
0
4.6
9.7
13.9
21.1
23.8
25.4
25.7
0
1.5
1.9
3.3
4.4
6.5
10.2
17
Other Turbidity (NTU)
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 55
# > 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:
TAR RIV AT NC 42 AT OLD SPARTA O6000000 35.79030 Longitude: -77.55067 TPBA
Time period:
Hydrologic Unit Code: 03020103 Stream class: C NSW NC stream index: 28-(80)
03/09/2007 to 12/19/2008 # # 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 3
1.8 3.2
5.1 4.5
11.5 10.4
17 16
22 29.9
53 45
22 22 22 22
6 0 2 0
N/A N/A N/A N/A
0.01 0.13 0.2 0.05
0.01 0.25 0.22 0.05
0.01 0.3 0.34 0.08
0.03 0.41 0.52 0.13
0.09 0.65 0.71 0.16
0.2 0.76 0.81 0.24
0.47 0.99 0.88 0.24
22 22 22 22 22 22 22 22 22 22
1 22 22 22 12 0 22 22 22 17
N/A >10 >2 >50 >7 >1000 >25 >0.012 >88 >50
50 5 1 5 2 341 5 0.2 10 10
58 5 1 5 2 365 5 0.2 10 10
83 5 1 5 2 625 5 0.2 10 10
300 5 1 5 2 1160 5 0.2 10 10
511 5 1 5 2 1839 5 0.2 10 10
1041 5 1 5 3 2225 5 0.2 10 13
2512 5 1 5 3 2418 5 0.2 10 14
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 12 0 0 0 0
0 0 0 0 54.5 0 0 0 0
100
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 59
# > 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:
TAR RIV AT NC 222 NR FALKLAND O6200000 35.69624 Longitude: -77.48949 NCAMBNT
Time period:
Hydrologic Unit Code: 03020103 Stream class: WS-IV NSW NC stream index: 28-(84)
01/06/2004 to 12/11/2008 # # 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)
57 57 59 59 59 59
0 0 0 0 0 0
50
1
1.7
2.5 1.6
3.8 2.5
5.7 5.3
7.2 8.4
13.5 13
21.9 23
27 60
59 59 59 59
22 0 0 0
N/A >10 N/A N/A
0
0
0.02 0.1 0.34 0.03
0.02 0.19 0.37 0.05
0.02 0.26 0.4 0.06
0.02 0.33 0.48 0.08
0.03 0.41 0.56 0.11
0.05 0.49 0.68 0.13
0.11 0.61 0.76 0.15
13 13 13 13 13 13 13 11 12 13 13
0 13 13 13 10 0 13 0 12 13 10
N/A >10 >2 >50 >7 >1000 >25 >200 >0.012 >25 >50
0 0 0 0 11 0 0 0 0 0
0 0 0 0 84.6 0 0 0 0 0
85 5 1 10 2 590 10 31 0.2 10 10
107 5 1.4 16 2 638 10 32 0.2 10 10
170 5 2 25 2 1100 10 45 0.2 10 10
370 5 2 25 2 1200 10 97 0.2 10 10
675 8 2 25 2 1900 10 130 0.2 10 10
846 10 2 25 3 2200 10 140 0.2 10 11
950 10 2 25 4 2200 10 140 0.2 10 11
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
Fecal Coliform Screening(#/100mL) # results: 59
Geomean 55
# > 400: 3
% > 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:
BALLAHACK CANAL AT SR 1526 NR CONETOE O6201000 Hydrologic Unit Code: 03020103 35.86447 Longitude: -77.44383 Stream class: C NSW TPBA NC stream index: 28-87-1.2
Time period:
03/09/2007 to 12/19/2008 # # 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)
30 30 30 30 30
0 0 0 0 0
50
4
20
20 20 20 20
1 1 1 0
N/A N/A N/A N/A
100 100 99.2
0.3 0.3 5.3 5.3 132
0.7 0.7 5.6 5.6 147
1.9 1.9 6 6 168
3.1 3.1 6.4 6.4 204
6.7 6.7 6.5 6.5 244
10.7 10.7 6.7 6.7 296
11.3 11.3 6.8 6.8 339
3.2
8.6
14.3
20.7
23.3
24.8
25.4
1.4 3.4
3.6 4.2
6.9 7.5
14 12.5
30.2 44.2
106 99.4
325 600
0.01 0.01 0.2 0.04
0.02 0.02 0.24 0.05
0.1 1 0.46 0.07
0.19 1.48 0.66 0.1
0.54 1.88 2.07 0.22
2.1 2.32 5.1 0.46
3.05 2.64 9.55 1.23
Other TSS (mg/L) Turbidity (NTU)
95.7
Nutrients (mg/L) NH3 as N NO2 + NO3 as N TKN as N Total Phosphorus
Fecal Coliform Screening(#/100mL) # results:
Geomean
# > 400:
20
142
6
% > 400: %Conf: 30
91.3
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:
CONETOE CRK AT SR 1409 NR BETHEL O6205000 35.77427 Longitude: -77.46384 NCAMBNT
Time period:
Hydrologic Unit Code: 03020103 Stream class: C NSW NC stream index: 28-87-(0.5)
01/06/2004 to 12/11/2008 # # 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)
57 57 59 59 59 59
0 0 0 0 0 0
50
1
59 59 59 59
9 1 0 0
N/A N/A N/A N/A
14 14 14 14 14 14 14 12 14 14
0 14 14 14 14 0 14 12 14 5
N/A >10 >2 >50 >7 >1000 >25 >0.012 >88 >50
65.7 88.8 100
1 1 5.2 5.2 0.01 57
3.9 3.9 5.6 5.6 0.04 102
5.8 5.8 5.8 5.8 0.05 119
7.3 7.3 6.4 6.4 0.06 142
9.1 9.1 7 7 0.07 163
9.9 9.9 7.3 7.3 0.08 173
11.6 11.6 7.9 7.9 0.08 187
0
4
7.9
10.7
15.3
21.6
23.4
28.1
1.7
2.5 1.4
2.5 2
3.3 3.5
6.2 5
11.2 7.5
22.9 16
24 210
0.02 0.02 0.3 0.02
0.02 0.73 0.38 0.03
0.02 1.3 0.43 0.04
0.05 1.7 0.52 0.06
0.08 2 0.62 0.09
0.26 2.4 0.96 0.16
0.58 3.3 1.4 0.32
180 5 1 10 2 350 10 0.2 10 10
220 5 1 10 2 350 10 0.2 10 10
268 5 2 25 2 385 10 0.2 10 10
415 5 2 25 2 545 10 0.2 10 11
530 6 2 25 2 632 10 0.2 10 12
1020 10 2 25 2 1200 10 0.2 10 22
1200 10 2 25 2 1400 10 0.2 10 26
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 1 0 0 0 0
0 0 0 0 7.1 0 0 0 0
Fecal Coliform Screening(#/100mL) # results: 59
Geomean 66
# > 400: 4
% > 400: %Conf: 7
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 264 BYP NR GREENVILLE O6240000 35.64598 Longitude: -77.42212 TPBA
Time period:
Hydrologic Unit Code: 03020103 Stream class: WS-IV NSW NC stream index: 28-(84)
03/09/2007 to 12/19/2008 # # 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
1.5 2.9
1.7 3.5
3.8 4.1
7.5 8.6
12 15.2
17.2 24
20 37
22 22 22 22
6 0 2 0
N/A >10 N/A N/A
0
0
0.01 0.19 0.2 0.06
0.01 0.21 0.23 0.07
0.01 0.32 0.4 0.08
0.05 0.39 0.48 0.1
0.08 0.46 0.6 0.12
0.13 0.52 1.12 0.21
0.21 0.55 1.37 0.23
22 22 22 22 22 22 22 22 22 22 22
0 22 22 22 13 0 22 0 22 22 15
N/A >10 >2 >50 >7 >1000 >25 >200 >0.012 >25 >50
0 0 0 0 13 0 4 0 0 0
0 0 0 0 59.1 0 18.2 0 0 0
63 5 1 5 2 312 5 40 0.2 10 10
75 5 1 5 2 411 5 49 0.2 10 10
96 5 1 5 2 597 5 89 0.2 10 10
298 5 1 5 2 1302 5 116 0.2 10 10
555 5 1 5 2 1633 5 196 0.2 10 11
928 5 1 5 3 2170 5 218 0.2 10 15
1012 5 1 5 3 2329 5 226 0.2 10 16
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 93.8
Fecal Coliform Screening(#/100mL) # results: 22
Geomean 32
# > 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:
CHICOD CRK AT SR 1760 NR SIMPSON O6450000 35.56149 Longitude: -77.23047 NCAMBNT
Time period:
Hydrologic Unit Code: 03020103 Stream class: C NSW NC stream index: 28-101
01/06/2004 to 12/11/2008 # # 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)
58 58 60 60 60 60
0 0 0 0 0 0
50
0
60 60 60 60
15 18 0 0
N/A N/A N/A N/A
13 13 13 13 13 13 13 12 13 13
0 12 13 13 12 0 13 12 13 8
N/A >10 >2 >50 >7 >1000 >25 >0.012 >88 >50
100 100 75.2
0.4 0.4 5.8 5.8 0.02 77
1.2 1.2 5.9 5.9 0.03 89
2.2 2.2 6.2 6.2 0.04 108
5.2 5.2 6.8 6.8 0.05 127
7.6 7.6 7 7 0.07 167
10.1 10.1 7.3 7.3 0.14 280
12.8 12.8 8 8 0.2 410
0
4
6.1
10.9
16
23.5
25.7
27.4
0
2.5 2.1
2.5 2.7
2.8 4.1
5.7 5.4
9.9 8.5
12 14.9
13 32
0.02 0.02 0.43 0.05
0.02 0.02 0.49 0.09
0.02 0.02 0.56 0.12
0.04 0.08 0.74 0.23
0.09 0.39 0.93 0.38
0.11 0.71 1.29 0.43
0.33 1.3 2.6 0.75
73 5 1 10 2 660 10 0.2 10 10
74 5 1.4 16 2 668 10 0.2 10 10
110 5 2 25 2 860 10 0.2 10 10
160 5 2 25 2 1200 10 0.2 10 10
245 8 2 25 2 1900 10 0.2 10 12
582 10 2 25 3 2960 10 0.2 10 19
730 10 2 25 4 3400 10 0.2 10 21
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 9 0 0 0 0
0 0 0 0 69.2 0 0 0 0
100
Fecal Coliform Screening(#/100mL) # results: 60
Geomean 98
# > 400: 6
% > 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 1565 NR GRIMESLAND O6500000 35.57404 Longitude: -77.17542 NCAMBNT
Time period:
Hydrologic Unit Code: 03020103 Stream class: B NSW NC stream index: 28-(99.5)
01/06/2004 to 12/11/2008 # # 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)
57 57 59 59 59 59
0 0 0 0 0 0
50
0
0
4 4.4
5.1 5.8
6 6.8
8 8.3
12 13
15.6 17
20 48
59 59 59 59
6 0 0 0
N/A N/A N/A N/A
0.02 0.12 0.28 0.05
0.02 0.23 0.39 0.07
0.02 0.35 0.46 0.08
0.04 0.45 0.54 0.11
0.06 0.53 0.66 0.14
0.09 0.62 0.73 0.17
0.13 0.91 0.86 0.31
14 14 14 14 14 14 14 12 14 14
0 14 14 14 10 0 14 12 14 9
N/A >10 >2 >50 >7 >1000 >25 >0.012 >88 >50
150 5 1 10 2 700 10 0.2 10 10
170 5 1 10 2 795 10 0.2 10 10
245 5 2 25 2 998 10 0.2 10 10
300 5 2 25 2 1100 10 0.2 10 10
588 6 2 25 2 1400 10 0.2 10 10
830 10 2 25 2 1900 10 0.2 10 16
1000 10 2 25 3 2200 10 0.2 10 18
79.3
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 8 0 0 0 0
0 0 0 0 57.1 0 0 0 0
100
Fecal Coliform Screening(#/100mL) # results: 59
Geomean 39
# > 400: 2
% > 400: %Conf: 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:
GRINDLE CRK AT SR 1427 NR BETHEL O6700000 35.76324 Longitude: -77.37805 TPBA
Time period:
Hydrologic Unit Code: 03020103 Stream class: C NSW NC stream index: 28-100
03/09/2007 to 12/19/2008 # # 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
1.8 3
2.4 3.1
2.8 4.4
3.7 6.9
7.4 12
23.1 15.8
39 24
22 22 22 22
7 0 2 0
N/A N/A N/A N/A
0.01 0.05 0.2 0.05
0.01 0.06 0.22 0.06
0.01 0.14 0.31 0.07
0.04 0.52 0.42 0.09
0.08 1.74 0.56 0.12
0.15 3.12 0.83 0.22
0.21 3.41 1.36 0.27
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 62
# > 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:
GRINDLE CRK AT US 264 AT PACTOLUS O6798000 35.62426 Longitude: -77.22118 TPBA
Time period:
Hydrologic Unit Code: 03020103 Stream class: C NSW NC stream index: 28-100
03/09/2007 to 12/19/2008 # # 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 1.9
1.4 2.2
1.7 2.5
3.4 3.2
8.9 8.7
11.7 16.4
13 17
22 22 22 22
5 0 1 0
N/A N/A N/A N/A
0.01 0.3 0.2 0.04
0.01 0.34 0.21 0.04
0.01 0.74 0.31 0.05
0.05 0.93 0.52 0.06
0.12 1.37 0.63 0.11
0.2 1.97 0.74 0.13
0.43 2.46 1.12 0.18
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 42
# > 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:
FLAT SWAMP AT SR 1159 THIRD ST AT ROBERSONVILLE O7000000 Hydrologic Unit Code: 03020103 35.81602 Longitude: -77.26421 Stream class: C Sw NSW TPBA NC stream index: 28-103-2
Time period:
03/09/2007 to 12/19/2008 # # 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
0 0 0 0
N/A 9 N/A
0 0
0 0
0.3 5.6 5.6 103
0.6 5.9 5.9 120
1.2 6.1 6.1 126
2.4 6.3 6.3 144
6.2 6.6 6.6 163
8.4 6.7 6.7 184
10.2 6.7 6.7 230
32
0
>32
0
0
4.9
9.4
13.6
21
23.7
24.9
25.4
22
0
>50
0
0
7.2
8.4
10.8
15
22.8
38.1
40
22 22 22 22
5 4 1 0
N/A N/A N/A N/A
0.01 0.01 0.2 0.04
0.01 0.01 0.27 0.08
0.02 0.01 0.61 0.1
0.08 0.18 0.86 0.19
0.14 0.7 1.11 0.2
0.25 1.69 2.02 0.62
0.4 2.08 2.65 1.5
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 98
# > 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:
FLAT SWAMP AT SR 1157 NR ROBERSONVILLE O7100000 Hydrologic Unit Code: 03020103 35.78183 Longitude: -77.25683 Stream class: C Sw NSW TPBA NC stream index: 28-103-2
Time period:
03/09/2007 to 12/19/2008 # # 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
0 0 0 0
N/A 9 N/A
0 0
0 0
0.7 5.8 5.8 134
1.1 6.2 6.2 151
2.1 6.4 6.4 188
3.3 6.7 6.7 246
6.3 6.9 6.9 322
8.9 7.2 7.2 438
11.7 7.5 7.5 585
32
0
>32
0
0
4.4
9.6
12.1
21
22.8
24.8
25.8
22
0
>50
2
9.1
5.7
7.3
9.8
13
20.8
46.2
70
22 22 22 22
1 1 0 0
N/A N/A N/A N/A
0.01 0.01 0.22 0.06
0.03 0.02 0.37 0.11
0.06 0.17 0.54 0.17
0.18 0.54 0.88 0.26
0.28 0.96 1.16 0.57
0.44 1.85 1.51 0.97
0.49 2.22 1.62 0.99
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 130
# > 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:
TRANTERS CRK AT SR 1403 NR WASHINGTON O7300000 Hydrologic Unit Code: 03020103 35.56297 Longitude: -77.08640 Stream class: C Sw NSW NCAMBNT NC stream index: 28-103
Time period:
01/06/2004 to 12/11/2008 # # 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)
57 59 59 59 59
0 0 0 0 0
N/A 9 N/A N/A
59
0
53 20 59
2.4 5.4 5.4 0.01 51
3.6 6.1 6.1 0.03 85
4.8 6.3 6.3 0.04 100
6.1 6.7 6.7 0.05 126
8.2 7 7 0.3 586
10.2 7.3 7.3 3.8 6893
11.7 7.8 7.8 8.11 14000
0
5
7.6
12
17.8
25.2
28.7
31.4
4
7.5
0
0
1 2.5 2.4
1 2.5 3.1
2 3.2 3.9
5 5.4 5.2
17 9.5 6.9
29 12.9 11
93 24 26
0.02 0.02 0.42 0.04
0.02 0.02 0.5 0.05
0.02 0.03 0.58 0.06
0.03 0.09 0.69 0.09
0.07 0.18 0.83 0.12
0.1 0.32 0.91 0.14
0.21 1.8 1.2 0.23
170 5 1 10 2 640 10 0.2 10 10
170 5 1.4 16 2 648 10 0.2 10 10
190 5 2 25 2 750 10 0.2 10 10
220 5 2 25 2 1200 10 0.2 10 10
355 8 2 25 2 1400 10 0.2 10 14
904 10 2 25 2 1840 10 0.2 10 20
1200 10 2 25 2 2000 10 0.2 10 21
0 0
0 0
>32
0
7 5 0
>40 N/A >50
59 59 59 59
16 10 0 0
N/A N/A N/A N/A
13 13 13 13 13 13 13 12 13 13
0 13 13 13 12 0 13 12 13 7
N/A >10 >2 >50 >7 >1000 >25 >0.012 >88 >50
Other Chlorophyll a (ug/L) 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 7 0 0 0 0
0 0 0 0 53.8 0 0 0 0
100
Fecal Coliform Screening(#/100mL) # results: 59
Geomean 49
# > 400: 3
% > 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
