Town of New Castle, NH
49 Main Street, New Castle, NH 03854
ph: 603-431-6710
Water/Sewer
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Water Quality Reports
Water & Sewer Billing Informaton
 
 
The New Castle Water and Sewer District receives its fresh water from Portsmouth and disposes of its sewage to the City of Portsmouth.  

However, system maintenance, repair, and billing are the purview of the town.