WY 2025 Groundwater and Use Reporting
The LPV Adjudication Judgment requires Water Right Holders to report Groundwater Extraction and Use to Watermaster. Semi-Annual Groundwater Extraction and Use Reporting for Water Year 2025 (WY 2025) (October 1, 2025 – September 30, 2026) is administered according to the schedule below.
| Year Code | Period | Release Date | Due Date |
| WY 2025-1 | 10/01/25 – 3/31/26 | 04/15/26 | 05/18/26 |
| WY 2025-2 | 4/1/26 – 9/30/26 | 10/01/26 | 10/31/26 |
For instructions on reporting Groundwater Extraction and Use for Water Year 2025-1, occurring between October 1, 2025, and March 31, 2026, please visit the Las Posas Valley Watermaster Groundwater Extraction and Use, User Guide.