Agricultural Water Quality


The County Department of Agriculture, Weights and Measures regulates agricultural facilities that are designated as high priority commercial facilities. These include:

Nurseries and Greenhouses

Pest Control Businesses

Golf Courses


County Ordinance

In 2013, the San Diego Regional Water Quality Control Board adopted Order R9-2013-0001, which requires the County and other land use jurisdictions in the region to reduce the discharge of pollutants in local waterways.

Watershed Protection, Stormwater Management, & Discharge Control Ordinance

2018 Annual Registration Information

Registration Notice

Registration Form

Online Payment Site

Online Payment Instructions

Stormwater Training

Stormwater Training Record Form (pdf)

Stormwater Annual Review Guidelines and Form (pdf)

Pesticide BMP's

Stormwater - Nurseries & Greenhouses

       San Diego County Department of Public Works - Landscaping

Farming Information

Sedimentation From Agricultural Operations (pdf)