California Code of Regulations
Title 23 - Waters
Division 4 - Regional Water Quality Control Boards
Chapter 1 - Water Quality Control Plans, Policies, and Guidelines
Article 5 - Central Valley Region
Section 3949.6 - Amendment to the Water Quality Control Plan for the Sacramento River and San Joaquin River Basins to Revise Water Quality Objectives for PH and Turbidity

The Water Quality Control Plan was amended to delete the parts of the pH objective that limit the change in pH to 0.5 units and the allowance of averaging periods for pH. The amendment also limits turbidity to no more than two Nephelometric Turbidity Units (NTUs) when the natural turbidity is less than one NTU.

1. New section summarizing amendments to basin plan filed 12-1-2008; amendments approved by the State Water Resources Control Board Resolution No. 2008-0061 on 9-2-2008; amendments approved by OAL pursuant to Government Code section 11353 on 12-1-2008 (Register 2008, No. 49).