FEMA flood zone rules in Pflugerville, TX — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Travis County enforces floodplain development through Chapter 82 and participates in NFIP. The 2018 Llano River / Lake Travis flood raised the lake 18 feet in days and drove significant floodplain map revisions. Lake Travis and Lake Austin are managed by LCRA with flood operations out of Mansfield Dam. Development in SFHA requires a Floodplain Development Permit and finished-floor 1 foot above BFE, 2 feet in the Onion Creek basin.
FEMA FIRM panels updated 2019 for Travis County. Onion Creek, Shoal Creek, and Walnut Creek have Letters of Map Revision on file. Atlas 14 rainfall data adopted 2020 increased 100-year flood elevations across the county. LCRA flood gate operations can release 100,000+ cfs from Mansfield Dam during major events. Substantial improvement rules (50% rule) apply to repairs.
NFIP non-compliance: loss of subsidized flood insurance community-wide. Ch. 82 violations: up to $1,000 per day. Mandatory elevation or removal of non-compliant structures.
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Side-by-side rule comparisons with other cities in Travis County.
See how Pflugerville's flood zones rules stack up against other locations.
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