Wastewater Department

The Wastewater Treatment Department is dedicated to collecting and treating wastewater that flows into our facility from Nashua and Hudson and delivering a clean, clear effluent into the Merrimack River. The Wastewater Treatment Facility is located at 2 Sawmill Road in the City of Nashua. The Department is under the umbrella of the Division of Public Works.

Call the Street Department at (603) 589-4750 if you are experiencing a sewer back-up, see a broken or missing manhole cover or catch basin.

If you see or hear an alarm at one of the City’s pump stations, please call the Wastewater Department at (603)589-3560.


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