Tentative Orders/Permits
| Permit | Deadline to Receive Comments | Written Comments Received | Scheduled Board Hearing Date |
|---|---|---|---|
| Tentative Waste Discharge Requirements (WDRs) and National Pollutant Discharge Elimination System (NPDES) Permit - City of Simi Valley, Simi Valley Water Quality Control Plant (WQCP), (NPDES No. CA0055221, CI No. 3021) | 04/20/2026 | 05/28/2026 | |
| Tentative Waste Discharge Requirements (WDRs) and National Pollutant Discharge Elimination System (NPDES) Permit - City of Thousand Oaks (City) - Hill Canyon Treatment Plant (Hill Canyon TP) (NPDES No. CA0056294, CI No. 4917) | 04/08/2026 | 05/28/2026 | |
| Tentative Waste Discharge Requirements and National Pollutant Discharge Elimination System Permit for City of Simi Valley, Simi Valley Water Quality Control Plant (NPDES No. CA0055221, CI No. 3021) |
10/16/2024 | To be determined |
| Permit | Deadline to Receive Comments | Written Comments Received | Scheduled Board Hearing Date |
|---|---|---|---|
| Notice of Public Hearing to Amend Clean Water Act Section 401 Water Quality Certification and Waste Discharge Requirements for the Newhall Land & Farming Company Proposed Resource Management and Development Plan and Spineflower Conservation Plan, Santa Clarita, Los Angeles County (Order No. R4-2012-0139) | 03/20/2026 | 04/23/2026 |
| Time Schedule Order | Deadline to Receive Comments | Written Comments | Scheduled Board Hearing Date |
| Tentative Time Schedule Order (TSO) for City of Simi Valley, Simi Valley Water Quality Control Plant (Simi Valley WQCP), (NPDES No. CA 0055221, CI No. 3021 | 04/27/2026 | 05/28/2026 | |
| Termination | Deadline to Receive Comments | Written Comments | Scheduled Board Hearing Date |
|---|---|---|---|
| Termination of Waste Discharge Requirements for Surface Impoundment for H. Kramer & Company and Harshaw Chemical Company and Its Successor Companies, 1 Chapman Way, El Segundo, California (File No. 92-057, Geotracker ID No. SL204011483) | 06/09/2025 | To Be Determined |
| Title | Deadline to Receive Comments | Written Comments | Scheduled Board Hearing Date |
|---|---|---|---|
| Tentative Resolution Approving 2026-2028 Special Study - A.K. Warren Water Resource Facility (NPDES No. CA0053813, CI No.1758) |
04/06/2026 | 04/23/2026 |
| Title | Deadline to Receive Comments | Written Comments | Scheduled Board Hearing Date |
| Waste Discharge Requirements for Discharges of Low Threat Hydrostatic Test Water to Surface Waters in Coastal Watersheds of Los Angeles and Ventura Counties | 01/08/2025 | To Be Determined |
