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Council approves Zinfandel Subdivision with flood mitigation terraces and monitoring program

Napa City Council · February 3, 2026
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

After a public hearing that included neighborhood concerns about flooding, wildlife and privacy, the council adopted a mitigated negative declaration, map, design review and associated permits for the Zinfandel Subdivision, with conditions including terrace‑based detention, biological mitigations and monitoring.

City staff and the applicant presented the Zinfandel Subdivision tentative map, a design that uses terraced basins to detain stormwater and reduce off‑site flooding. Engineers explained bioretention and detention designs intended to keep post‑development peak flows at or below existing conditions (no‑rise at the 100‑year event) while improving two‑year event impacts for nearby streets.

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