Turlock Irrigation District

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Allocation

The Turlock Irrigation District is a member of the West Turlock Subbasin Groundwater Sustainability Agency, and together with the City of Turlock, they are the two largest members making up over 80 percent of the subbasin's proportional funding.
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Allocation Documents

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May 12, 2026

Electricity customers are expected to receive a $0.005/kWh credit starting in June (automatic PSA adjustment) after projected purchase power and fuel costs came in below the reference rate. Snowpack is at just 13% of average, with April-through-July runoff projected at 650,000–750,000 acre-feet versus a typical 1.1 million. April Turlock Lake releases were ~33,000 acre-feet vs. ~39,000 projected; May demand is expected to rise as temperatures run 10–15°F above normal.

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April 28, 2026

Groundwater levels have recovered 3–5 feet compared to last spring, with the sustainability plan turnaround arriving two years ahead of schedule. Watershed precipitation is 89.5% of average to date (slightly below), though an uneven, thunderstorm-driven May and approaching seasonal dry-down warrant attention. Don Pedro's end-of-season outlook improved by nearly 10 feet under dry conditions to around 774 feet, with wet-condition projections sitting under flood control levels by season's end.

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April 14, 2026

March demand surged (highest March flow in 18 years) and may stay strong in April. Snowpack is ~30% of normal; Corps concurrence allowed Don Pedro flood-space encroachment with no flood-control releases. Series Main TCC pilot cut spills sharply (88% same-day orders; 96% customer-placed online). Board unanimously approved the consent calendar and extended the Don Pedro Operating Agreement 3 years.

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March 31, 2026

Snowpack is 29% of average and April–July runoff is well below normal; the Board discussed potentially bringing replenishment-water discussion earlier than June (possibly May). Irrigation planning uses 542,000 AF from Don Pedro. The Board approved a 130 MW solar + 260 MWh battery interconnection; staff said interconnection costs are ~$7M paid by Hondeville.

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March 17, 2026

Hydrology staff reported snowpack near 50% of normal with peak runoff shifting into March, prompting coordination with the Army Corps on possible flood-space encroachment to retain additional water. With Director Macedo absent, the Board adopted the updated 2025 Agricultural Water Management Plan and the 2026–2030 Strategic Plan by 4-0 votes.

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