Cal. Code Regs. tit. 23 § 3969.2
On May 20, 2010, the Regional Water Quality Control Board, Colorado River Basin Region (Colorado River Basin Water Board), adopted Resolution No. R7-2010-0027, revising the Water Quality Control Plan for the Colorado River Basin Region (Basin Plan). On December 6, 2011, the State Water Resources Control Board (State Water Board) approved the amendment pursuant to Resolution No. 2011-0060.
Resolution No. R7-2010-0027 revises the indicator bacteria for pathogens for a 17-mile reach of the Coachella Valley Storm Water Channel by removing two of the three original indicator bacteria in accordance with 1986 U.S. Environmental Protection Agency water quality criteria guidelines and recommendations, leaving E. coli as the sole indicator.
Both the Colorado River Basin Water Board and the State Water Board determined that the Basin Plan amendment would not have a significant effect on the environment.
Cal. Code Regs. Tit. 23, § 3969.2