401 Water Quality Certification and Waste Discharge Requirements Program

Wetland and Riparian Area Protection

The Clean Water Act (CWA) Section 401 Certification and Waste Discharge Requirements Program for dredge and fill activities is an important tool for regulating hydrologic modification projects in addition to other projects which involve dredge and fill.

Decisions Pending:

Tentative Waste Discharge Requirements for the Los Angeles Department of Water and Power Olivas Park Drive Extension Project - Parcel 11 will be considered at the September 12, 2019 Board Meeting

401 Certification Contacts: