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Chemicals in Drinking Water

Chemicals found in drinking water including lead and copper, disinfection byproducts, radionuclides, and arsenic, and drinking water quality data, monitoring and testing.

Lead and Copper
The Lead and Copper Rule protects drinking water by minimizing lead and copper levels and applies to all community water systems and non-transient non-community water systems. Find a link to Texas Drinking Water Watch, instructions, guidance, forms and information for public water systems, labs, and the general public.

Dealing with Specific Chemicals
Find information on individual contaminants that concern you like arsenic or secondary constituents like fluoride.

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.

Disinfection Byproducts

Disinfection Byproducts in Public Water Systems
What are disinfection byproducts, how do they form, and how can public water systems control them?

Monitoring and Testing

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
How to register for webcasts, teleconferences, and other events set up to provide training on the DBP2 and LT2 rules.