Construction Stormwater Program
Welcome to the Construction Stormwater Program
Construction Stormwater General Permits
2009 Construction Stormwater General Permit
The State Water Board adopted the 2009 Construction Stormwater General Permit on September 2, 2009, and became effective July 1, 2010. This permit was set to expire on September 2, 2014, but was administratively extended pending the adoption and effective date of the 2022 Construction Stormwater General Permit*.
2022 Construction Stormwater General Permit
The State Water Board adopted 2022 Construction Stormwater General Permit on September 8, 2022, and has an effective date of September 1, 2023.
*Dischargers that obtained permit coverage under the 2009 permit prior to the 2022 permit's effective date, may continue coverage under the 2009 permit for up to two years after the 2022 permit's effective date. On September 1, 2025, all existing Notices of Intent covered under the 2009 permit will be administratively terminated, and new permit coverage under the 2022 permit must be obtained if construction is still active.
Lake Tahoe Basin Construction Stormwater General Permit
The Lahontan Regional Water Board adopted a general NPDES permit to regulate stormwater discharges from construction activity in the Lake Tahoe Hydrologic Unit. Owners of construction projects in this watershed must apply for the Regional Water Board permit rather than the statewide permit.
SMARTS provides a platform where dischargers, regulators, and the public can enter, manage, and view data associated with California's Stormwater General Permits.Visit SMARTS
Water Quality Fees
Find information regarding water quality fees for permits, pay invoice(s) online (EFT or credit card), find our tax ID number, and find fee related information for stakeholders.Learn About Fees