FEMA flood zone rules in Tuolumne County, CA — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Tuolumne County participates in the National Flood Insurance Program. FEMA flood maps designate flood hazard areas along waterways including the Tuolumne River and its tributaries. The county maintains emergency alert systems for flood events and provides flood preparedness information.
FEMA flood maps for Tuolumne County designate Special Flood Hazard Areas (SFHAs) with a 1% annual chance of flooding. Development in flood zones must comply with NFIP standards and the California Building Code flood provisions. The county's Emergency Alert Notification System provides flood warnings. Tuolumne County Vital Records (2 S. Green St., Sonora, 209-533-5531) and the Planning Department (209-533-5633) maintain flood hazard information. Properties in SFHA zones require flood insurance for federally backed mortgages.
Construction below flood elevation: retroactive compliance required, fines $500 to $5,000. Floodway encroachment: removal order. Failure to maintain flood insurance: lender force-placement at higher cost.
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See how Tuolumne County's flood zones rules stack up against other locations.
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