Environmental Rules in Cass County, ND (2026)

2 county-level rules, plus city-specific rules for 1 city in Cass County, North Dakota.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Cass County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Flood Zones

Cass County requires full compliance with its floodplain ordinance before any structure or land in a mapped special flood hazard area is built, altered, or extended, under Ordinance #2025-01.

Floodplain Development Rules in Cass County

Some Restrictions

Cass County Ordinance #2025-01 (Floodplain Development) § 3.3

No structure or land shall hereafter be constructed, located, extended, converted, or altered without full compliance with the terms of this ordinance and other applicable regulations.

Full ordinance details →Official source ↗

Flood Elevation Requirements

New construction and substantial improvements to residential buildings in Cass County's mapped flood hazard areas must elevate the lowest floor at least two feet above the base flood elevation.

Flood Elevation Freeboard Rules in Cass County

Some Restrictions

Cass County Ordinance #2025-01 (Floodplain Development) § 5.2-1

New construction and substantial improvement of any residential structure shall have the lowest floor, including basement, elevated to at least two feet above the base flood elevation.

Full ordinance details →Official source ↗

Environmental Rules by City in Cass County

1 cities in Cass County have their own environmental rules rules. Each link goes to that city's dedicated page with code citations.

FargoPop. 125,990

4 verified rules • Erosion Control, Flood Elevation Requirements

All Cass County ordinances

See every category we cover for Cass County: parking, noise, fences, fires, animals, pools, and more.

Cass County Ordinance Hub →