Shafter-Wasco Irrigation District

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Allocation

- 2026 water year (district moved ET accounting to an Oct–Sep water year) - Management Area 2 (MA-2) groundwater ET allowance: 2.84 af/ac annual limit - Jan–Sep 2026 transition (9-month stub): 2.58 af/ac (91% of the annual limit, prorated to the ET curve)
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November 12, 2026

Growers turned back 2,700 acre-feet; projected carryover is 4,463 acre-feet if remaining balances are used. The board approved Kern County Subbasin Well Mitigation Program Version 3.0. Directors discussed, but did not change, the $400-per-acre-foot emergency-water rate. Dresser ponds could receive mainline water by year-end. The MA-2 ET hearing was canceled: 40 fallow acres under related ownership put the grower below the limit; other overages remain under review.

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October 14, 2026

Staff raised copper dosing to the kill rate for golden mussels and will monitor the response. Class 1 allocation remained at 100%, Class 2 was at 0%, and staff cited an 83% chance of a major El Niño. Crews planned to begin temporary berm work at Poplar the following Monday, then move to Jack, aiming to prepare both for recharge before Thanksgiving.

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September 9, 2026

Growers were encouraged to use remaining allocation ahead of an early-November drawdown (expected Nov 5–10) after August deliveries were just under 5,000 AF vs. ~8,000 AF expected. The board approved joining North Kern's aquifer injection feasibility study on subsidence along the Friant-Kern Canal. Staff discussed an October treatment window and flushing lines with district water.

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August 12, 2026

The board discussed whether to continue copper-based mussel treatment through October; members leaned toward continuing, and staff described positive early results and plans to bring operations in-house next year. The FY 2025 audit was approved with an unqualified opinion and ~$14.5M working capital. Staff also reviewed El Niño outlook information and ongoing recharge maintenance.

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July 8, 2026

The board discussed golden mussel treatment options, landing on a month-to-month reassessment approach. Friant Class One allocation remains at 100% (~1.12 AF/acre) with no further changes expected. Forecasters report El Niño is developing unusually early, which could disrupt fall canal dewatering and mussel treatment timing.

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