COMMENT PERIOD ENDS | Renewal AZPDES Permit for Grand Canyon National Park North Rim Wastewater Treatment Plant in Coconino County

On Oct. 28, 2022, the public comment period ends for the proposal to issue an Arizona Pollutant Discharge Elimination System (AZPDES) Permit to Grand Canyon National Park for the North Rim Wastewater Treatment Plant (WWTP) located in Coconino County, Arizona. The comment period began Sept. 28, 2022.

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