Water Risk Profile — ZIP 37903
Flood risk, local cost data, climate factors, and insurance context for your ZIP code.
Flood Risk
Medium
Cost Range
$1,300–$7,500
Avg Response
42 min
NFIP
State participates
Local Climate & Risk Factors
Knoxville area water damage risk includes Tennessee's dramatic spring storm season and high annual rainfall. Middle Tennessee's clay soils don't absorb water quickly, creating rapid surface runoff that channels toward foundations during thunderstorm events. Pipe freeze events in Tennessee occur during rare cold snaps when temperatures drop below 15°F — which happens several times per decade in all Tennessee climate zones. Nashville-area combined sewer systems overflow during major rainfall events in older neighborhoods. IICRC-certified contractors serve all major Tennessee metro areas.
Flood-prone areas: Island Home Park, Pond Gap, and communities adjacent to First Creek and Second Creek have highest regular flood frequency
Water Category Cost Table — Knoxville, TN
Extraction & drying cost per square foot by IICRC water category
| Water Category | $/sq ft |
|---|---|
| Category 1 — Clean Burst supply line, clean appliance overflow | $2.13–$6.17 |
| Category 2 — Gray Dishwasher, washing machine, toilet bowl (no feces) | $6.17–$7.47 |
| Category 3 — Black Sewage backup, floodwater, toilet overflow with feces | $8.78–$11.55 |
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 Knoxville market (2.5–10.5/sq ft range).