COMMENT PERIOD ENDS | Modification of AZPDES Permit AZS000001 for the City of Tucson Phase I MS4

On Nov. 23, 2022, the public comment period ends for the proposal to modify Arizona Pollutant Discharge Elimination System (AZPDES) permit number AZS000001 to the City of Tucson for the Phase I Municipal Separate Storm Sewer System (MS4). The comment period began Oct. 24, 2022.

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