Discharger Name: Navajo Tribal Utility Authority (“NTUA”)
Discharger Address: P.O. Box 170, Fort Defiance, Arizona 86504
Facility Name: NTUA Window Rock Wastewater Treatment Lagoon
Facility Location: Lagoon Road, approximately 1.5 miles SW of Window Rock Fairground, Window Rock, Arizona 86504
This permit was issued on: January 21, 2016
This permit shall become effective on: February 1, 2016
This permit shall expire at midnight on: January 31, 2021
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Revised NPDES Permit NN0021555: NTUA Window Rock WWTP (PDF)(3 pp, 148 K,
1/30/2019)
Revised National Pollutant Discharge Elimination System Permit for Navajo Nation Tribal Utility Authority Window Rock Wastewater Treatment Lagoon.
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NPDES Permit No. NN0021555: NTUA Window Rock WWTF (PDF)(17 pp, 342 K,
01/21/2016)
Authorization to Discharge Under National Pollutant Discharge Elimination System (NPDES) Permit No. NN0021555 for Navajo Tribal Utility Authority Window Rock Wastewater Treatment Lagoon.
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NPDES Permit Fact Sheet: NTUA Window Rock WWTF (PDF)(13 pp, 407 K,
12/2015)
EPA Fact Sheet for National Pollutant Discharge Elimination System (NPDES) Permit No. NN0021555 for Navajo Tribal Utility Authority Window Rock Wastewater Treatment Lagoon.