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North Carolina's Source Water Assessment Program (SWAP)
Learn about Your Drinking Water Source

North Carolina's Source Water Assessment Program (SWAP) provides assessments of each public drinking water intake in North Carolina. These assessments provide a relative susceptibility rating calculated using state-wide data. N.C. SWAPinfo is a computer application which allows water systems to view their assessment reports and maps on the Web.

Learn About N.C.'s SWAP
An overview of North Carolina's GIS-based approach to SWAP.

 SWAP Links
More information to help you learn about the Source Water Assessment Program (SWAP).

Source Water Protection (SWP) and Wellhead Protection (WHP)
Voluntary programs helping local water systems to protect their source water.

N.C. SWAPinfo
A computer application for viewing SWAP assessment reports and maps.

 
NC Department of Environment and Natural Resources 

NC Source Water Programs
1634 Mail Service Center • Raleigh, NC 27699-1634
Click to get report. NC Swap Info Wellhead Protection Area (WHPA) Maps are protection areas delineated around public water supply wells as identified in local Wellhead Protection plans.  USGS Study outlines methods for rating Unsaturated Zone and the Watershed Characteristics, factors used in assessing susceptibility.  NC's SWAP Plan, approved by EPA in November 1999, outlines the PWS Section's approach to assessing the susceptibility of PWS intakes.