On June 8, 2021, the County GSA (“white areas”) adopted an allocation for irrigated acres within the County GSA in the Madera, Chowchilla and Delta-Mendota Subbasins.* The table below shows the inches of evapotranspiration of applied water (ETAW) per irrigated acre.
| Madera County GSA | Inches of ETaw | ||
Year |
Madera Subbasin |
Chowchilla Subbasin |
Delta-Mendota Subbasin |
| 2021 | 28.3 | 26.7 | 19.8 |
| 2022 | 28.0 | 26.3 | 19.6 |
| 2023 | 27.7 | 25.9 | 19.3 |
| 2024 | 27.4 | 25.5 | 19.1 |
| 2025 | 27.1 | 25.1 | 18.9 |
*The allocation is only for the County GSA (white areas) and only for acres irrigated as of June 8, 2021.
To arrive at this point, over a multi-year period, the County GSAs discussed allocations as a critical demand management measure including at (but not limited to) the specific meetings below:
May 17 and 23, 2019 – Advisory Committee
September 5, 2019 – Advisory Committee
February 6, 2020 – Advisory Committee
June 4, 2020 – Advisory Committee
August 6, 2020 – Advisory Committee
September 3, 2020 – Advisory Committee and Report
October 14, 2020 – Advisory Committee
November 12, 2020 – Advisory Committee; Resolution
November 17, 2020 – County GSAs
December 15, 2020 – County GSAs and Resolution (recorded at MaderaCounty.com)
May 11, 2021 – County GSAs with Allocations (recorded at MaderaCounty.com) Presentation; Resolution (Never Irrigated Lands); Resolution (Allocations)
May 13, 2021 – Office Hours on Allocations
May 18, 2021 – County GSAs (recorded at MaderaCounty.com)
June 1, 2021 – County GSAs, FB and MAWA Workshop; Presentation
June 8, 2021 – County GSAs; Presentation
June 16, 2021 – Madera County GSAs Workshop; Presentation; Presentation YouTube
August 2, 2021 – Madera County Public Workshop – County GSAs: Presentation;
Click here to view the recording of the August 2- Allocation Public Workshop. Passcode: rg$m@5kj
January 13, 2022 – IrriWatch and Allocation Report Workshop
Relevant Resolutions
December 16, 2020 – Resolution No. 2020-166: Resolution Adopting a Groundwater Allocation Approach for the Groundwater Sustainability Plan
June 8, 2021- Resolution No. 2021-069: Resolution Establishing Groundwater Allocation Amounts for 2021 through 2025 and Farm Unit Documentation. Farm Unit Zone Map
August 17, 2021 – Resolution No. 2021-113: Resolution Establishing Groundwater Allocation Refinements