FEMA flood zone rules in Noblesville, IN — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Noblesville participates in the National Flood Insurance Program (NFIP) and the Community Rating System (CRS) to reduce flood insurance costs for residents. Flood Hazard (FH) zoning is established in the Noblesville Unified Development Ordinance based on the FEMA Flood Insurance Rate Maps (FIRMs) for Hamilton County. The White River runs through the city with Cicero Creek (draining Morse Reservoir) joining downtown, plus Stony Creek and smaller tributaries — all create extensive Special Flood Hazard Areas (SFHAs). The Certified Floodplain Manager is Denise Aschleman, Assistant Director of Planning and Development, at (317) 773-4614 / (317) 776-6325.
Noblesville's floodplain management operates on three layers: federal (the FEMA NFIP, the current effective FIRM panels for Hamilton County, and 44 CFR Part 60 minimum standards), state (Indiana DNR Division of Water oversight of floodways under IC 14-28-1 — the Flood Control Act — plus the IDNR construction-in-a-floodway permit and the IDNR-recognized Indiana Floodplain Information Portal/INFIP), and local (the Flood Hazard (FH) special district within the Noblesville Unified Development Ordinance). Regulated areas are the FEMA Special Flood Hazard Areas (SFHAs) shown on the current effective FIRM for Hamilton County and Incorporated Areas. The White River flows north-to-south through Noblesville with the USGS gage 03349000 at Logan Street, and Cicero Creek (USGS 03350500) joins from the Morse Reservoir watershed upstream. Stony Creek and smaller tributaries add to mapped SFHAs across the city. USGS Scientific Investigations Report 2017-5123 published flood-inundation maps for the White River at Noblesville calibrated against the documented high-water marks from the September 4, 2003 flood and the May 6, 2017 flood. The local FH special district within the Unified Development Ordinance regulates floodplain development per 44 CFR 60.3, including the standard substantial improvement/substantial damage threshold (50% of pre-improvement market value, cumulatively or in a single event), which triggers full-compliance reconstruction at or above the regulatory flood elevation. Indiana DNR also requires a Construction in a Floodway permit under IC 14-28-1 for any work within a regulated floodway, which is reviewed separately from the local floodplain development permit. The Floodplain Administrator coordinates Letters of Map Amendment/Revision (LOMA/LOMR) and elevation certificates with FEMA. Noblesville's CRS participation provides flood insurance premium reductions for property owners citywide based on the community's floodplain-management practices.
Building, filling, or substantially improving a structure in the SFHA without a floodplain development permit violates the FH special district and federal NFIP requirements under 44 CFR Part 60. Enforcement runs through Planning, Building, and Code Enforcement with Stop Work orders, denial of the Certificate of Occupancy, and civil penalties under the Unified Development Ordinance. Work in a regulated floodway without an IDNR Construction in a Floodway permit violates IC 14-28-1-22 with separate state civil penalties up to $10,000 per violation per day under IC 14-28-1-37. Federal consequences are larger: a noncompliant structure can jeopardize the entire community's NFIP eligibility and CRS standing; the property can be subject to FEMA Section 1316 denial of flood insurance; and the owner can be disqualified from federal disaster assistance. Lenders typically refuse to close on SFHA-located property without a compliant elevation certificate.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Noblesville, IN
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Noblesville, IN
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