A watershed is the total land area, including our yards, from which stormwater drains into streams, rivers or other bodies of water.
Check out the brochure at ww.cleanwatershed.org.
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[NEW] 2025 Technical Guidance Manual (TGM) Training Seminar (September 23, 2025)
On September 23, 2025, the Ventura Countywide Stormwater Quality Management Program conducted an online training seminar on the 2025 TGM. The following training materials are available for reference: seminar recording,
[NEW] 2025 Technical Guidance Manual Released May 12, 2025
The Technical Guidance Manual for Stormwater Quality Control Measures (2025 TGM) provides guidance for the implementation of stormwater management control measures in new development and redevelopment projects located in the County of Ventura
[NEW] Watershed Management Program Approved May 12, 2025
On May 12, 2025, the Los Angeles Regional Water Quality Board issued an approval letter of the Ventura Countywide Stormwater Quality Management Program Group’s Watershed Management Program (WMP). The approval
Quick Links
- [NEW] 2025 Technical Guidance Manual
- [NEW] 2025 Technical Guidance Manual Tool (downloads Excel file)
- [NEW] 2025 Technical Guidance Manual Training Seminar
- 2024 Annual Report
- 2021 Regional Permit
- Post-Wildfire Resources
- Ventura Countywide Unified Storm Drain Map
- Report of Waste Discharge
- Clean Business Fact Sheets
- Ventura County Rainfall Map
Frequently Asked Questions
What's the big deal about runoff?
Runoff carries pollutants. Water that doesn’t soak into the ground becomes runoff. Click here for ten easy tips to help reduce runoff.
How does runoff impact me?
Runoff carries pollutants through our watershed, which can then cause issues for people and wildlife. Find out more.
What role does VCSQMP play?
VCSQMP works to improve runoff quality, monitor watershed health, and comply with the Ventura Countywide Stormwater Permit.