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Franklin, TN · Williamson County

Water Risk Profile — ZIP 37064

Flood risk, local cost data, climate factors, and insurance context for your ZIP code.

Flood Risk

Medium

Cost Range

$1,500–$8,500

Avg Response

42 min

NFIP

State participates

Local Climate & Risk Factors

Franklin, Tennessee faces water damage from spring tornado season storms, summer flash flooding in hilly terrain, and occasional winter ice storms that cause roof damage enabling water intrusion. The Tennessee and Cumberland Rivers create FEMA Zone AE flood designations throughout the state — Nashville's August 2010 flood dropped 13.5 inches in 36 hours, causing $2 billion in damage. Eastern Tennessee's Great Smoky Mountains region receives 60+ inches of annual rainfall, and mountain terrain creates rapid runoff conditions. Tennessee Insurance Division requires claim acknowledgment within 10 days. Memphis faces Mississippi River corridor flooding from Missouri Valley snowmelt events in spring.

Flood-prone areas: Historic downtown Franklin and the Columbia Avenue corridor sit inside or adjacent to the Harpeth River's mapped 100-year floodplain and experienced direct flood damage during the May 2010 event; older homes along Lewisburg Pike face similar exposure. The Westhaven planned community, despite its newer construction, abuts the Harpeth floodplain at several points, and homes on the development's western edge should verify their flood zone status and freeboard elevation.

Insurance tip: Tennessee homeowners should commission a FEMA Elevation Certificate — in Franklin, a surveyed certificate showing even one to two feet of freeboard above the Base Flood Elevation can reduce NFIP annual premiums by hundreds of dollars compared to the default estimated rates insurers use without one.

Water Category Cost Table — Franklin, TN

Extraction & drying cost per square foot by IICRC water category

Water Category$/sq ft
Category 1 — Clean

Burst supply line, clean appliance overflow

$2.72–$6.74
Category 2 — Gray

Dishwasher, washing machine, toilet bowl (no feces)

$6.74–$8.16
Category 3 — Black

Sewage backup, floodwater, toilet overflow with feces

$9.59–$12.1

Estimates exclude reconstruction (drywall, flooring replacement). National benchmarks: Cat 1 $3.75–$4.25, Cat 2 $4.10–$6.50, Cat 3 $7–$7.50/sq ft — adjusted for Franklin market (3.211/sq ft range).

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