Water Quality Standards Regulations: Sac and Fox Tribe of the Mississippi in Iowa (Meskwaki)

Presented are water quality standards in effect for Clean Water Act (CWA) purposes for this tribe.

The EPA is posting these standards as a convenience to users and has made a reasonable effort to assure their accuracy. For each document listed under "Tribal Standards in Effect for CWA Purposes", the EPA has made a reasonable effort to identify parts of the standards that are disapproved or are otherwise not in effect for CWA purposes. Additionally, please note the documents may also contain provisions that the EPA does not have the authority and duty to act on under the Clean Water Act because the provisions are not water quality standards.

• What is a New or Revised Water Quality Standard Under CWA 303(c)(3)? - Frequently Asked Questions (pdf) (108.04 KB)

Authority to Administer Standards Program

The Sac and Fox Tribe of the Mississippi in Iowa (Meskwaki) was granted treatment in a manner similar to a state (TAS) on August 13, 2019.

• Decision Document for the EPA’s Approval of the Sac and Fox Tribe of the Mississippi in Iowa’s (Meskwaki) Application for Treatment in a Similar Manner as a State (pdf) (7.16 MB, August 13, 2019)

Tribal Standards in Effect for CWA Purposes

• Title 15. Water Quality Standards Code- Meskwaki Nation, Sac & Fox Tribe of the Mississippi in Iowa (pdf) (3.42 MB) (Effective May 13, 2026) Tribal regulations establishing water quality standards for surface waters of the tribe. Please note that not all provisions are in effect for CWA purposes. Refer to cover page for more information.

Federally Proposed or Promulgated Standards

• None at this time.