WATER QUALITY IMPROVEMENTS
San Diego Bay Watershed Water Quality Improvement Plan Update
The County of San Diego (County) is planning an update to the San Diego Bay Water Quality Improvement Plan (WQIP) focusing on the Spring Valley Watershed, a subwatershed within the Sweetwater Hydrologic Area within San Diego Bay Watershed Management Area (WMA). The update aligns with the optional compliance pathway in Provision B.3.c of the San Diego Region’s Municipal Separate Storm Sewer Systems (MS4) Permit1 (Permit). Provision B.3.c offers a comprehensive planning and implementation process but also provides numerous benefits including flexibility to define a localized approach and opportunities for multiple benefit water quality projects. The project will focus on the County jurisdiction within Spring Valley Watershed.
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Public Call for Data
The County is requesting available, relevant, and appropriately collected and analyzed water quality and hydrology data specific to the Spring Valley Watershed in electronic format (preferably Excel). All submitted data will be reviewed. Data collected under a quality assurance project plan (e.g., Surface Water Ambient Monitoring Program) and analyzed by an Environmental Laboratory Accreditation Program certified lab is preferred. To ensure the data can be integrated into the assessment, please include the following information:
- Location of sampling events or data collection (latitude/longitude coordinates);
- Dates and times of sample collection;
- Sampling event conditions (dry weather or storm event);
- Data for Quality Assurance/Quality Control samples; and
- Quality Assurance Project Plan(s), if applicable.
Technical or summary reports for large data sets are also appreciated. If submitting such reports, please include pertinent contact information (name, email, phone number) along with the data submittal.
For data to be considered for inclusion in this effort, data must be provided no later than 5:00pm on May 7, 2025. The data and relevant reports can be submitted to Isabella.Colpo@sdcounty.ca.gov.
Please contact Isabella.Colpo@sdcounty.ca.gov or at (619) 851-5629 with any questions.
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Find My District
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ONLINE SERVICES
Report Stormwater Pollution
Report observed pollution to the correct jurisdiction.
Citizen Access Portal
Research property information and permits. Apply for some permits online.
GIS Maps
Find property information including zoning designation with our web-based mapping tool.
Watershed Protection Website
sandiegocounty.gov/stormwater
Learn more about available water quality rebates that you could apply to your property!
Project Clean Water efforts are focused on providing a centralized point of access to water quality information and resources for San Diego County Watersheds. Click HERE to visit Project Clean Water’s website.
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