Semitropic Water Storage District

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Allocation

2025-2026 Allocation (Landowner Water Budgets Program) - Contract Water: 163.72 af per contract holder (83,700 AF total at 54% SWP reliability) - Supplemental SWSD Supplies: 163.43 af per GPSC payer (70,140 AFY average)
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Allocation Documents

Allocation Document

Helpful Link

October 8, 2025

The district is evaluating a 4-megawatt natural gas power generation project that could reduce electricity costs from 28-29 cents per kilowatt hour to 9-10 cents, with a 3.5-year payback period. Water rates for 2026 were reduced, with State Water Project charges dropping to $87/AFt. The board approved a conservative 2026 budget projecting an $8.2 million loss based on a worst-case scenario of 50% water allocation and no banking activity.

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September 10, 2025

The board is set for the Subbasin to exit the state’s probationary oversight with basin-wide coordination and monitoring programs. New landowner banking agreements were approved to expand water storage eligibility and allow ledger-based deficit offsetting without physical water recovery. Despite environmental concerns, duck club water issues were addressed with a timeline through 2035.

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