Discharger Name: Navajo Tribal Utility Authority (“NTUA”)
Discharger Address: P.O. Box 170, Fort Defiance, AZ 86504
Facility Name: NTUA Kayenta Wastewater Treatment Facility
Facility Location: 3 miles Northwest of Junction US 160 and 163, Kayenta, Navajo County, Arizona
This permit was issued on: June 12, 2018
This permit shall become effective on: August 1, 2018
This permit shall expire at midnight on: July 31, 2023
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NPDES Permit No. NN0020281: NTUA Kayenta Wastewater Treatment Facility (PDF)(36 pp, 1 MB,
June 12, 2018)
Authorization to Discharge Under National Pollutant Discharge Elimination System (NPDES) Permit No. NN0020281 for the Navajo Tribal Utility Authority Kayenta Wastewater Treatment Facility (WWTF).
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EPA Letter and Response To Comments: NTUA Kayenta WWTF (PDF)(4 pp, 217 K,
June 12, 2018)
EPA's letter to NTUA and response to comments received concerning the issuance of a National Pollutant Discharge Elimination System (NPDES) Permit No. NN0020281 to NTUA Kayenta Wastewater Treatment Facility.
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CWA 401 Certification: NTUA Kayenta WWTF (PDF)(1 pg, 443 K,
May 24, 2018)
Clean Water Act Section §401 Water Quality Certification for Navajo Tribal Utility Authority (NTUA) Kayenta Wastewater Treatment Facility NPDES Permit No. NN0020281.
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NPDES Permit Fact Sheet: NTUA Kayenta Wastewater Treatment Facility (PDF)(24 pp, 2 MB,
4/12/2018)
EPA Fact Sheet for National Pollutant Discharge Elimination System (NPDES) Permit No. NN0020281 for Navajo Tribal Utility Authority (NTUA) Kayenta Wastewater Treatment Facility.