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680 Peverly Hill Rd, Portsmouth, NH 03801
(603) 427-1530
Mon – Fri 7:30 AM – 3:30 PM
(603) 427-1539
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DPW Water Division Seeks Customer Assistance to Identify Material in Private Water Lines
City of Portsmouth Releases 2023 Drinking Water Report
How to Identify Your Service Line Material
Identifying the material of a service line can be challenging: local plumbing codes vary and different pipe material and fittings were used during different decades.
Service Line Inventory
What is a service line?
A service line is a section of pipe that connects the city's water main in the street to your property and typically enters through your basement. Service lines typically have split ownership, meaning the water system owns a portion of the service line (from the water main to the shutoff valve), and the property owner owns a portion (from the shutoff valve to their water meter).