EPA recognizes that Indian tribes and Native Alaskan Villages face serious human health and environmental problems. EPA works with Indian Tribes, other federal agencies, and states to protect the health and environment of waters in Indian Country under the Clean Water Act.
Policies, regulations, and laws that affect tribes
- Publications & Videos
Free resources to help tribes adopt and implement Water Quality Standards
- Case studies
Reports on six tribes that have adopted EPA-approved Water Quality Standards.
Support to run the Water Quality Standards program
- Where You Live
Links to Regional Tribal Programs
- TAS Reinterpretation
Information about a potential reinterpretation of a TAS provision that EPA is considering.