Water Risk Profile — ZIP 55803
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
Duluth, Minnesota experiences among the most severe pipe freeze risk in the continental U.S. — the Twin Cities recorded -60°F wind chill during the 2019 polar vortex, and annual temperatures regularly reach -30°F in northern Minnesota. Pipes in exterior walls, attic runs, and crawl spaces freeze and burst in every significant cold event. Minnesota also faces significant spring flooding from snowmelt — the Red River of the North (which drains northward into Canada) floods in most years. Minnesota Insurance Statute 60A.0811 requires insurers to acknowledge claims within 10 working days and pay or deny within 60 days. A battery backup sump pump is essential for any Minnesota home with a basement.
Flood-prone areas: Lincoln Park and the adjacent West Duluth neighborhoods near the Miller Creek and St. Louis River confluence are at the highest combined risk in the city: flat terrain near the river holds floodwater longer, and the creek corridor through Lincoln Park is prone to rapid rises that overwhelm culverts with little warning. The Congdon Park neighborhood on the eastern hillside sustained some of the most severe structural flood damage in the 2012 disaster because hillside topography accelerates water velocity directly into residential properties.
Water Category Cost Table — Duluth, MN
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 Duluth market (3.2–11/sq ft range).