Recently Adopted Drinking Water Regulations

Last Update: March 12, 2008

Listed below are recently adopted drinking water regulations:

WaterWorks Standards (R-14-03) - effective March 9, 2008.
Interim Enhanced Surface Water Treatment Rule (R-20-01) (PDF) -- effective January 12, 2008. [Final Statement of Reasons (PDF)]
Primary Maximum Contaminant Level for Perchlorate (R-16-04) (PDF)-- effective October 18, 2007. There's more about its implementation and the scheduling of monitoring at the perchlorate information Drinking Water Program's perchlorate webpage.
Secondary Maximum Contaminant Levels (R-21-03) (PDF) -- effective September 27, 2006.
Public Notification Requirements for Drinking Water Violations (R-59-01) (PDF)-- effective September 1, 2006.

See all regulations in the Drinking Water Law Book.

More About Regulations

Find out about upcoming drinking water regulations.

See the steps in the regulations process, and check on the status of regulations.

The official site for proposed regulations and accompanying documentation. You can submit comments from here during the public comment period.