COMMENT PERIOD ENDS | Modification of AZPDES Permit AZS000002 for the Pima County 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 AZS000002 to Pima County for the Phase I Municipal Separate Storm Sewer System (MS4). The comment period began Oct. 24, 2022.

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