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
Tennessee River creates significant flood risk; TVA dam system generally moderates flooding but extreme events can exceed storage capacity; rolling Appalachian foothills terrain concentrates rainfall into creek systems; humid subtropical climate with no dry season means groundwater stays consistently high
Flood-prone areas: Island Home Park, Pond Gap, and communities adjacent to First Creek and Second Creek have highest regular flood frequency
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).
