Analytical Methods Approved for Drinking Water Compliance Monitoring under the Disinfection Byproduct Rules
This PDF provided by the U.S. Environmental Protection Agency (EPA) links to various methods developed for various drinking water treatment chemicals and technologies.

Disinfection Regulations
Disinfection is required under two Safe Drinking Water Act regulations, the Surface Water Treatment Rule of 1989, as amended, and the Ground Water Rule of 2006. The American Water Works Association (AWWA) provides details on the rules and resources and tools to inform utilities’ disinfectant selection process.

Disinfection Byproducts, managed by AWWA, provides information for the public about drinking water. This page has DBPs-specific information and answers to several questions.

Stage 1 and Stage 2 Disinfectants and Disinfection Byproducts Rules
This section of the EPA website includes a summary of the rules, history, and additional information.

Stage 1 and Stage 2 Supporting Documents for Primacy Agencies
The EPA webpage provides compliance support documents for the Stage 1 and Stage 2 Disinfection Byproducts Rules.

Third Unregulated Contaminant Monitoring Rule
The third Unregulated Contaminant Monitoring Rule (UCMR 3) was published on May 2, 2012. UCMR 3 required monitoring for 30 contaminants. This section of the EPA website details monitoring levels for these contaminants along with links to additional resources.


Last updated July 2017