An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Tribal Governments Role in Safe Drinking Water on Tribal Lands

Financial Assistance

Tribal governments oversee water system utilities or utility boards. Along with tribal utilities, tribal governments are responsible for providing safe drinking water that complies with the National Primary Drinking Water Regulations (NPDWRs) under the Safe Drinking Water Act (SDWA).

EPA provides technical assistance to tribal water systems through the following programs:

EPA also provides other training and technical assistance to tribes to aid in regulatory compliance.