County approves Santa Margarita storm water permit implementation pact

Each of California's Regional Water Quality Control Board regions is based on hydrologic boundaries rather than on county boundaries, so the San Diego Region includes portions of Orange County and Riverside County. This forces jurisdictions to coordinate with each other while providing the convenience of a joint effort on specific bodies of water.

The effort to produce a Water Quality Improvement Plan for the Santa Margarita River Watershed involves local agencies in both San Diego County and Riverside County. An implementation agreement between the County of San Diego and the Riverside County...