Wyandotte Creek GSA

February 26, 2026

The subbasin remains in full SGMA compliance, with rising groundwater levels and increasing storage. The board approved a simplified sustainable yield methodology based on measured groundwater levels, landing at about 43,600 AF per year, and streamlined project categories to focus on actionable efforts. Key active projects include connecting about 380 parcels to treated water and routing excess surface water to replace groundwater pumping.

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January 29, 2026

The Board reviewed and gave direction on a new two-part regulatory fee structure concept that would charge both taxable and non-taxable parcels, with a flat parcel fee plus usage-based fees for agricultural cropped land and domestic users. The Board also supported continuing to explore reduced Part 2 fees for parcels using imported Feather River water. A draft five-year budget uses about $470,000 annually as a planning target to support SGMA compliance operations.

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November 20, 2025

The Board approved moving forward with a two‑part regulatory fee approach, with all parcels paying a flat administrative fee and Part 2 concepts focused on per‑cropped‑acre and managed‑wetland charges rather than total parcel size. Groundwater protection standards were strengthened by setting MTs to protect about 95% of domestic wells, with an estimated 38 wells and $1.14M in mitigation at MTs. The Board also directed staff to include managed wetlands/duck clubs in Part 2.

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