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.
How to Report a Problem
Call the Wastewater Department at (603)589-3560 for the following issues:
You are experiencing a sewer back-up
You see a broken or missing manhole cover or catch basin
You see or hear an alarm at one of the City’s pump stations