Permits, reports, and resources
The County of Santa Clara’s Watershed Protection Division provides guidance and information to residents, businesses, and organizations located in the unincorporated areas of the County. The information on this page is updated regularly to include the most current resources, which includes general information, construction practices, our partners' websites, and other basic water quality information.
Current permits and reports
San Francisco Bay Region Municipal Regional Stormwater NPDES Permit
Phase II Small Municipal Separate Storm Sewer System (MS4) Program
County of Santa Clara Municipal Regional Permit Annual Report FY 2022-2023
Older reports
County of Santa Clara Municipal Regional Permit Annual Report FY 2021-2022
County of Santa Clara Municipal Regional Permit Annual Report FY 2020-2021
County of Santa Clara Municipal Regional Permit Annual Report FY 2019-2020
County of Santa Clara Municipal Regional Permit Annual Report FY 2018-2019
County of Santa Clara Municipal Regional Permit Annual Report FY 2017-2018
County of Santa Clara Municipal Regional Permit Annual Report FY 2016-2017
County of Santa Clara Municipal Regional Permit Annual Report FY 2015-2016
County of Santa Clara Municipal Regional Permit Annual Report FY 2014-2015
Resources for construction
SCVURPPP C.3 Technical Guidance Handbook - June 2016
Selecting Appropriate Storm Water Control Measures for your Development Project
Sizing storm water control measures for treatment, retention, and peak management
South County Phase II Post Construction Requirements
Stormwater Post Construction Requirements At-A-Glance
General information
US EPA Nonpoint Source Program
Guide to eating fish and shellfish from SF Bay
Co-permittees and supporters of the Watershed Protection Division
Santa Clara Valley Urban Runoff Pollution Prevention Program (SCVURPPP)
Bay Area Stormwater Management Agencies Association (BASMAA)
California Stormwater Quality Association (CASQA)
San Francisco Bay Regional Water Quality Control Board
Central Coast Regional Water Quality Control Board
County of Santa Clara departmental partners
Department of Environmental Health
Recycling and Waste Reduction Division
Department of Planning and Development