5 county-level rules, plus city-specific rules for 1 city in Mohave County, Arizona.
Verified from official government sources
New development and grading in Mohave County must control runoff on-site and keep it out of desert washes. Land disturbance of one acre or more needs an ADEQ AZPDES construction stormwater permit.
Grading and land-clearing in Mohave County must control erosion and blowing dust. Sites of one acre or more also fall under ADEQ's construction stormwater permit and its SWPPP requirements.
Mohave County is landlocked desert with no ocean coast. Building along the Colorado River and Lakes Havasu, Mohave, or Mead involves county floodplain rules plus federal Reclamation and Park Service authority.
Mohave County enforces FEMA floodplain standards through the National Flood Insurance Program. Building in a mapped flood zone or desert wash requires elevation above base flood elevation and a floodplain use permit.
Mohave County requires permits for significant grading and earth-moving. Drainage cannot redirect flows onto neighbors or block desert washes, and work in mapped floodplains triggers extra review.
1 cities in Mohave County have their own environmental rules rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Mohave County — parking, noise, fences, fires, animals, pools, and more.
Mohave County Ordinance Hub →