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...

We Are Grateful

We Are Grateful

October 31, 2024

As Thanksgiving approaches, we're reminded of the countless blessings in our lives and the importance of gratitude. It's a time to come together with loved ones, reflect on the year's blessings, and express appreciation for the abundance that surrounds us. 

As we gather around the table to share a meal and create cherished memories, let us also take a moment to honor our veterans and express our heartfelt gratitude for their service and sacrifice.

Read the full article »