The Mni Wašté Water Company is a tribally chartered entity and serves 14,000 members within the Dewey and Ziebach counties on the Cheyenne River Lakota Reservation in South Dakota.

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Manganese in Drinking Water Report

February 19, 2020

EPA is currently gathering information to determine if it would be beneficial to develop a drinking water standard for manganese.  DENR has developed the attached Manganese in Drinking Water Report for your water system from sample data collected during sanitary surveys and EPA water studies. 

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From one end of this continent to the other

From one end of this continent to the other

July 01, 2020

July 2020. This month, North Americans will be celebrating the birth of their country, their identity as a people and as a nation. From Winnipeg to Washington, D.C., from Calgary to Corpus Christi, from Toronto to Tallahassee, we will watch fireworks and watch parades, we will sing and laugh and make merry. And EAT. Whether your celebration will include barbecue and watermelon, or haddock and butter tarts, there will certainly be some good eats. Join the celebration!

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