California Bays and Estuaries Policy
The Water Quality Control Policy for the Enclosed Bays and Estuaries of California is published by the California State Water Resources Control Board as guidelines to prevent water quality degradation. The policy is revised as needed.
Although only a portion of Humboldt Bay is visible in this aerial image, the small opening to the Pacific Ocean illustrates the limited mixing opportunities for dilution of wastes entering the bay in runoff.
California State Water Resources Control Board
The California State Water Resources Control Board (SWRCB) is one of six branches of the California Environmental Protection Agency.
Logo of the California State Water Resources Control Board.