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...

Celebrate Independence & Fire Up the Grill

Celebrate Independence & Fire Up the Grill

July 02, 2024

This July, celebrate your INDEPENDENCE in the USA & Canada!!  It's time to fire up the grill and celebrate National Grilling Month in style! Whether you're a seasoned grill master or just getting started, there's something undeniably satisfying about cooking up delicious meals outdoors and enjoying the smoky flavors of summertime.

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