The following are links to other sources of water information and regulations:

American Water Works Association -- Many links and a tremendous source of information.

Oregon State Health Division -- Drinking Water Program

Environmental Protection Agency -- Safe Drinking Water Act

Just for Kids- an EPA site with games and puzzles

US Geological Survey -- Water information pages.  See the map section.

National Science Foundation -- Whats new in environmental science and other areas

Regional Water Providers Consortium -- Local water conservation news and tips.

Clackamas River Watershed Council -- See a Map of the Clackamas River