\\cltsmain\gis_data\GIS\Projects\000240_UnionCounty\0214323_UCYRWSPPermit-PrelimEng\map_docs\mxd\IBTBasemap.mxd | Last Updated: 08.06.2013
ROCKY RIVER SUB-BASIN (YADKIN RIVER BASIN)
CATAWBA RIVER BASIN
Catawba to Yadkin Transfer
Year
Water Supply (mgd)
Current
6.0 7.3
2050
Year
Water Supply (mgd)
Current
1.0 4.5
2050
Proposed Water Transfer from Lake Tillery to Union County’s Yadkin River Service Area
Year
Water Supply (mgd)
Current
0.0 28.0
2050
Transfer From Yadkin Back to Catawba
UNION COUNTY
Catawba River Water Supply Project to Union County Year
Water Supply (mgd)
Current
16.5 35.4
2050
YADKIN RIVER SUB-BASIN (YADKIN RIVER BASIN)
Anson County’s Water Supply to Union County Yadkin River Service Area Year
Water Supply (mgd)
Current
3.0 0.0
2050
All values listed are based on maximum day.
Exhibit 1
UNION COUNTY, NC – WATER SUPPLY OVERVIEW
\\cltsmain\gis_data\GIS\Projects\000240_UnionCounty\0214323_UCYRWSPPermit-PrelimEng\map_docs\mxd\WSA_2010.mxd | Last Updated: 08.07.2013
CATAWBA RIVER BASIN
ROCKY RIVER SUB-BASIN (YADKIN RIVER BASIN)
YADKIN RIVER SUB-BASIN (YADKIN RIVER BASIN)
L-E-G-E-N-D Union County Current Yadkin River Basin Area Not Served Union County Current Yadkin River Basin Water Service Area Union County Current Catawba River Basin Area Not Served Union County Current Catawba River Basin Water Service Area City of Monroe Current Water Service Area (Not Part of Union County System)
UNION COUNTY
Town of Marshville Current Water Service Area (Not Part of Union County System) Major River Basin Boundary (Yadkin/ Catawba) River Sub-Basin Boundary (Rocky River/ Yadkin) Union County Boundary Surrounding County Boundary
Exhibit 2
UNION COUNTY, NC – WATER SUPPLY SERVICE AREAS
\\cltsmain\gis_data\GIS\Projects\000240_UnionCounty\0214323_UCYRWSPPermit-PrelimEng\map_docs\mxd\Chart.mxd | Last Updated: 08.07.2013
Union County - Yadkin Basin Service Area Projected Demand
Water Supply from Catawba River Water Supply Project
Water Supply from Anson County
Proposed Water Supply from Yadkin River Water Supply Project
Authorized Grandfathered Catawba IBT
Net Catawba IBT (measured as avg. day for max. month)
40
Projected Max. Day Water Supply / Demand (mgd)
35
30
25
20
15
10
5
0 2010
2015
2020
2025
2030
2035
2040
2045
2050
Year
Exhibit 3 Union County, NC - Yadkin River Basin Service Area (Rocky River Sub-Basin) Projected Maximum Day Water Supply & Demand