2024-25 Watershed Management Program Progress Report Form – Malibu Creek Watershed
The 2024-25 Watershed Management Program Progress Report Form – Malibu Creek Watershed is now available.
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, […]
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 […]
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 […]
Coordinated Integrated Monitoring 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 Coordinated Integrated Monitoring Program (CIMP). Per the 2021 […]
2022-23 Annual Report
Every year the cities and County of Ventura report on Permit compliance and their extensive efforts to improve water quality. Check out our 2023 Annual Report for reporting for the 2022-23 water […]
Countywide Watershed Management Program Development
A public outreach meeting on the Countywide Watershed Management Program Development was held at the City of Camarillo Council Chambers on July 24, 2023. View the recording here: https://www.youtube.com/watch?v=DkZ5I840TxY.
Regional MS4 Permit Adopted July 23, 2021
The Los Angeles Regional Water Quality Control Board adopted the Regional Phase I Municipal Separate Storm Sewer System (MS4) National Pollutant Discharge Elimination System (NPDES) Permit, Order No. R4-2021-0105 (Permit), on […]