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 This website is no longer updated and links to external websites and some internal pages may not work.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 »

NTUA Shiprock Wastewater Treatment Facility, Shiprock, NM: NN0020621

Discharger Name: Navajo Tribal Utility Authority (NTUA)
Discharger Address: P.O. Box 170, Fort Defiance, Arizona 86504
Facility Name: Shiprock Wastewater Treatment Facility
Facility Location Address: 1.0 mile Northwest of Junction US 64 and 491 intersections, Shiprock, San Juan County, New Mexico 87420
Facility Rating: Major
This permit was issued on: February 21, 2018
This permit shall become effective on: March 1, 2018
This permit shall expire at midnight on: February 28, 2023

If you experience a problem reading a document with assistive technology, please contact us.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.