Water Risk Profile — ZIP 37602
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
Johnson City, 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: The Munsey Avenue and West Walnut Street corridors near downtown Johnson City are among the most frequently flooded residential areas because they sit at or near Brush Creek's natural floodplain level and lack adequate freeboard from the channel. The university district near East Tennessee State University and the older Knob Creek Road area also experience recurring flooding from undersized culverts and storm drains that cannot handle runoff from surrounding impervious surfaces.
Water Category Cost Table — Johnson City, 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 Johnson City market (3.2–11/sq ft range).