The Bureau of Indian Affairs (BIA) Flathead Agency, in cooperation with the confederated Salish and Kootenai Tribes (CS&KT) Safety of Dams and Roads Division of the Natural Resources Department (NRD), announce the availability of a Programmatic Environmental Assessment (PEA). The CSKT provides Dam Safety oversight to fifteen dams and 30 Early Warning System (EWS) facilities within the Flathead Indian Reservation and Flathead, Lake, Sanders, and Missoula Counties, Montana. The CSKT are proposing to continue current operations and maintenance of these dams under a new over-arching Dam Maintenance Activities Program. A PEA has been drafted in order to form a collective document to address all routine maintenance activities required for the continued operation of these dams and EWS facilities. The following is a list of all dams and EWS systems to be included in the PEA for the Dam Maintenance Activities Project. 

Little Bitterroot Dam (2 EWS)

Hubbart Dam (2 EWS)

Upper Dry Fork Dam (2 EWS)

Lower Dry Fork Dam (1 EWS)

Pablo Dam (2 EWS)

Hell Roaring Dam

Twin (Turtle) Dam (2 EWS)

Crow Dam (3 EWS)

Ninepipe Dam (3 EWS)

Kicking Horse Dam (2 EWS)

McDonald Dam (1 EWS)

Mission Dam (2 EWS)

Tabor Dam (3 EWS)

Jocko Dam (2 EWS)

Black Lake Dam (1 EWS)

Perma (1 (EWS)

Arlee (1 EWS)

The public is invited to review and comment on this document, which will be available April 29, 2021 at the following locations: the Safety of Dams and Roads website ( and hard copies will be located in the Safety of Dams and Roads office and the main Natural Resources Department building in Polson. Persons wishing to comment can email their written comments to either of the following:

Gregory Wilson

Division of Engineering & Water Resources

Safety of Dams Program Manager

Confederated Salish & Kootenai Tribes

Natural Resources Department

P.O. Box 278

Pablo, MT 59855

Dan J. P. Lozar

Division of Engineering & Water Resources Manager

Confederated Salish & Kootenai Tribes

Natural Resources Department

P.O. Box 278

Pablo, MT 59855

Public comment will be accepted on this document until May 29, 2021.   

Dam Maintenance Activities – Programmatic Environmental Assessment


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