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Water: State, Tribal & Territorial Standards

EPA in partnership with tribes

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.

  • Regulations
    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.
  • Funding
    Support to run the Water Quality Standards program
  • Where You Live
    Links to Regional Tribal Programs
  • new icon TAS Reinterpretation
    Information about EPA's August 7, 2015, proposal to reinterpret the Clean Water Act TAS provision.

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