Porter-Cologne Water Quality Control Act

A water treatment facility in the Imperial County, California.
This a 2-D Model capturing the Central Valley Project, created by the Bureau of Reclamation

The Porter-Cologne Water Quality Control Act is clean water act of California that expanded the enforcement authority of the State Water Resources Control Board and the 9 Regional Water Quality Control Boards. The act provided for the California Environmental Protection Agency to create the local boards and better protect water rights and water quality.