The Water Quality Control Plan for the North Coast Region (Basin Plan) was amended on May 23, 1996 (NCRWQCB Resolution 96-16) as follows: the Policy on the Control of Water Quality with Respect to On-Site Waste Treatment and Disposal Practices (Individual Septic Systems Policy) was updated to provide a clear policy regarding new technologies and the assessment of cumulative impacts of individual systems on water quality. The amendment contains new site suitability criteria and evaluation methods, and designs criteria and technical guidelines for individual systems.
Cal. Code Regs. Tit. 23, § 3903