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Chemicals in Drinking Water

Chemicals found in drinking water and information about whether each is a concern for health.
  • Drinking Water Watch
    Use this searchable database of analytical results and compliance data to learn more about the quality of your drinking water and your public water system's compliance with state and federal regulations.

Topics Under this Category

DBP2 and LT2 Training Opportunities
How to register for webcasts, teleconferences, and other events set up to provide training on the Stage 2 Disinfection Byproduct Rule (DBP2) and Long Term 2 Rule (LT2).
Is My Public Water System Affected by the DBP2 and LT2 Rules?
Use this list to find out whether TCEQ data have assigned your PWS to the correct group for implementation of the new Disinfection Byproduct Stage 2 and Long Term 2 rules.
Public Water System Chemical Sampling and Monitoring Frequency
Basic information for public water systems about sampling and monitoring requirements.
Radionuclide Testing for Interim Approval of Well Completion
Required testing, required checklists, and other information for completing a well interim approval.
UCMR: Monitoring Unregulated Contaminants in Drinking Water
EPA program to monitor 25 contaminants from 2008 through 2010. Information for participating water systems.