UPDATE: Floodplain Maps are effective for Mineral County, The Towns of Superior and Alberton as of April 25, 2024. This website will no longer be active after October 25, 2024. Please visit FEMA's Map Service Center or the National Flood Hazard Layer here to view the new floodplain maps. https://msc.fema.gov/portal/home 

Floodplain Maps for Mineral County are effective. Please use FEMAs NFHL to view effective maps. The viewer below can be used to determine the Lowest Adjacent Grade for structures only. 

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Get More Information on floodplain designations referenced on the maps:

Newly mapped into a 100-year floodplain on the preliminary maps? See information below on FEMAs Flood Insurance Information.

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Appeal and Comment Period:

The 90-day Appeal and Comment Period was held June 15, 2022 through September 13, 2022. 

Public Open House Meetings Held

 February 18, 2020 | 5 – 7pm | St. Regis Community Center
230 Lobo Loop, St. Regis

February 19, 2020 | 5 – 7pm | Mineral County Courthouse – Commissioners Meeting Room
300 River St, Superior

View materials from St. Regis and Superior meetings: Presentation  100 Year Floodplain  Floodway  500 Year Floodplain  Low Cost Insurance Options  Appeal Info

Alberton Virtual Meeting | No in-person meeting held due to COVID | Informational video:  YouTube   If you have follow up questions after watching the video please contact Mineral County staff or DNRC.

Contact Information

Andy Short

Mineral County & Town of Superior Floodplain Administrator

(406) 822-3525

ashort@co.mineral.mt.us