Grimes Flood Protection: 2026 Filing Documents Levee and Canal Maintenance Across Colusa and Yolo Counties

GRIMES, Colusa County — October 29, 2026. A 2026 state environmental filing documents continued maintenance of levees, irrigation features and drainage channels managed by Reclamation District No. 108, whose office is located on Wilson Bend Road in Grimes. The filing covers portions of both Colusa and Yolo counties and identifies flood protection as the central public-safety purpose.

What the 2026 notice says

The California State Clearinghouse received the district’s Notice of Exemption on March 4, 2026, under record 2026030132. The description calls for continuation of levee, irrigation and channel maintenance, explaining that the levee system protects public infrastructure, property and people in the district from flooding. The affected waterway is identified as the Colusa Basin Drain.

Why the work matters to Grimes

Grimes and surrounding agricultural areas depend on functioning flood-control, irrigation and drainage infrastructure. Routine maintenance can help preserve the condition of existing facilities, but the filing is not a forecast of flood danger and does not promise that any particular neighborhood will be protected under every storm scenario.

The district cites a Class 1 environmental exemption for maintenance of existing facilities under Section 15301 of California’s CEQA Guidelines, including work prescribed by the Central Valley Flood Protection Board. A Notice of Exemption is not a certificate showing that every listed task has already been completed. The public record does not specify an October 2026 completion date for work next to individual Grimes properties.

How residents can follow up

People who live or work near levees, canals or drainage channels can ask the district about current maintenance schedules, access restrictions and any work affecting their specific road or parcel. Property owners should avoid entering maintenance areas or altering flood-control structures without authorization.

The filing lists Reclamation District No. 108, 975 Wilson Bend Road, Grimes, CA 95950, phone (530) 437-2221. For emergencies and evacuation instructions, use current county and public-safety alerts rather than treating this environmental notice as real-time guidance.

Primary source: California State Clearinghouse, Reclamation District No. 108 Annual Maintenance 2026 (SCH 2026030132). Source filing: March 4, 2026; article: October 29, 2026.

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