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...

FIX A LEAK AWARENESS

FIX A LEAK AWARENESS

March 03, 2025

As the weather transitions into spring, it's the perfect time to take stock of your home's plumbing system and safeguard against leaks.

Did you know that "Fix A Leak Week" is celebrated every March, highlighting the importance of detecting and repairing leaks to conserve water and prevent costly damage?

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