Welcome to the Official Website of Mni Wašté Water Company

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.

Bill Payment Options

Looking for the most convenient way to pay your bill? We offer a wide variety of payment options to our customers. Simply choose the option that best suits your needs... Learn more...

Welcome to the 2024 Holiday Season!

Welcome to the 2024 Holiday Season!

December 01, 2023

Wishing the Happiest of Holidays to Family and Friends This Holiday Season!

The happiest time of the year can also be one of the most stressful times of year. Darker days and pending deadlines easily increase daily anxiety causing our bodies to feel haggard. While you are out making everyone’s day cheery and bright...

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