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Source Water Assessment

Program that fulfills 1996 Safe Drinking Water Act Amendments requirements for TCEQ to assess every public drinking water source for susceptibility to certain chemical constituents.

The TCEQ is required by the 1996 Safe Drinking Water Act Amendments to assess every public drinking water source for susceptibility to certain chemical constituents. The resulting source water susceptibility assessment reports provided to public water systems are then used to implement local source water protection projects. The assessment results also contribute to information contained in the Consumer Confidence Reports.

Topics Under this Category

Finding Information about Water Wells in Texas
Links to resources that can help you locate information on water wells.
How to Interpret SWSA Maps
Information on how to read the SWSA maps. Explains the colors and circles on the maps.
PSOCs: A Detailed List
Potential Source of Contamination Types and Subtypes: Detailed Listing, Descriptions and Applied Contaminants.
Public Drinking Water Source Locations: Checking and Maintaining Accuracy
How to make corrections to locations, how to map new locations, and tips for accurately mapping locations.
SWAP Program Strategy
The EPA-approved strategy developed by the TCEQ for source water assessment and protection in Texas.
SWSA Result Interpretation
Explains the meaning of high, medium, and low in the context of a source water susceptibility assessment.
What Information Does My SWSA Provide?
Explains the information that may be obtained from your source water susceptibility assessment.