Water Risk Profile — ZIP 45405
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
Dayton, Ohio faces water damage from Great Lakes lake-effect weather systems, Ohio and Muskingum River corridor flooding, and polar vortex events that reach -20°F in northern Ohio. Cleveland and Erie County receive 65–85 inches of annual snowfall from Lake Erie lake-effect, creating ice dam conditions and spring melt flooding. Columbus, Dayton, and Cincinnati face regular spring flooding from the Scioto, Mad, and Ohio Rivers. Ohio's combined sewer overflow systems in Cleveland, Columbus, and other urban areas discharge sewage into basements during rain events above 1 inch/hour. Ohio Insurance Code requires claim acknowledgment within 10 business days. Sewer backup endorsements are essential in CSO service areas.
Flood-prone areas: Old North Dayton and Five Oaks near the Great Miami River have the highest flood claim rates in Montgomery County. South Park's century-old housing has galvanized plumbing and combined sewer connections that back up sewage. Riverside neighborhood homes near the Mad River-Great Miami confluence face rapid-onset flooding with minimal advance warning.
Water Category Cost Table — Dayton, OH
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 Dayton market (3.2–11/sq ft range).