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Fargo, ND · Cass County

Water Risk Profile — ZIP 58103

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

Fargo, North Dakota experiences the most severe spring flooding risk in the U.S. — the Red River of the North flows northward toward Canada and backs up during spring thaw when southern sections melt before northern sections. Fargo has been protected by a massive flood diversion project built after the 1997 Red River flood. North Dakota's continental climate delivers -40°F temperatures that cause rapid, catastrophic pipe freeze events in uninsulated or under-heated spaces. Spring snowmelt in 2009 produced a 500-year flood event on the Red River. ND pipe freeze events occur multiple times per winter season. ND Insurance Department handles claim disputes.

Flood-prone areas: Riverside neighborhood sits directly on the Red River floodplain and required emergency dike construction during the 2009 flood. Oak Grove and Hawthorne areas in south Fargo are low-lying on former Lake Agassiz clay soils with minimal natural drainage. Woodcrest neighborhood experienced significant basement flooding during 2009 overflow events.

Insurance tip: North Dakota has among the highest NFIP participation rates in the nation following the 1997 and 2009 Red River disasters. The Fargo-Moorhead Flood Diversion project is underway but incomplete — flood insurance remains essential for all Red River Valley properties regardless of current dike proximity.

Water Category Cost Table — Fargo, ND

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 Fargo market (3.211/sq ft range).

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