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  • NPDES Permits Around the Nation
Contact Us

NN0020621: NTUA Shiprock Wastewater Treatment Facility, Shiprock, NM

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.

  • NPDES Permit No. NN0020621: Navajo Tribal Utility Authority Shiprock Wastewater Treatment Facility (pdf) (February 21, 2018)
    Authorization to Discharge Under National Pollutant Discharge Elimination System (NPDES) Permit No. NN0020621 for the Navajo Tribal Utility Authority (NTUA) Shiprock Wastewater Treatment Facility.
  • NPDES Permit Fact Sheet: Navajo Tribal Utility Authority Shiprock Wastewater Treatment Facility (pdf) (February 21, 2018)
    EPA Fact Sheet for National Pollutant Discharge Elimination System (NPDES) Permit No. NN0020621 for the Navajo Tribal Utility Authority (NTUA) Shiprock Wastewater Treatment Facility.
  • Response to Comments: Navajo Tribal Utility Authority Shiprock Wastewater Treatment Facility (pdf) (February 21, 2018)
    EPA's response to comments received concerning the reissuance of a National Pollutant Discharge Elimination System (NPDES) Permit No. NN0020621 for the Navajo Tribal Utility Authority (NTUA) Shiprock Wastewater Treatment Facility.
  • CWA 401 for Navajo Tribal Utility Authority Shiprock WWTP (pdf) (2/28/2018)
    Clean Water Act Section §401 Water Quality Certification for National Pollutant Discharge Elimination System Permit No. NN0020621 for the Navajo Tribal Utility Authority (NTUA) Shiprock Wastewater Treatment Facility.

EPA Pacific Southwest Resources

NPDES Permits in EPA's Pacific Southwest
  • Arizona Tribal Lands (excluding Navajo Nation)
  • Navajo Nation Lands
    (AZ, NM, UT)
  • California Non-Tribal
  • California Tribal Lands
  • Hawai'i
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  • Stormwater Program
  • Pretreatment Program
Contact EPA Region 9's NPDES Program Staff
Contact Us to ask a question, provide feedback, or report a problem.
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Last updated on September 7, 2021