Sewer Commission Approves Duplex Connection with Pump-to-Gravity System
Goffstown Sewer Commission approves duplex sewer connection with pump-to-gravity configuration. The Commission unanimously approved the application for 12 South Mast Street, contingent on revised drawings incorporating an injector pump discharging into a shallow manhole before gravity flow to the
Sewer Commission · Meeting of September 8, 2026
NH GOFFSTOWN — Goffstown Sewer Commission approves duplex sewer connection with pump-to-gravity configuration. The Commission unanimously approved the application for 12 South Mast Street, contingent on revised drawings incorporating an injector pump discharging into a shallow manhole before gravity flow to the existing 10-inch main line. The design reflects prior Commission practice and state Department of Environmental Services preferences.
In budget matters, the Commission advanced its 2027 review with proposed Operations and Maintenance at $750,000 and Manchester projects at $217,096.47, but flagged a $1,267,500 Equipment Maintenance figure for superintendent justification. Cross Street survey fieldwork is expected to begin within two weeks.
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Source: the Sewer Commission meeting of September 8, 2026, compiled from the official minutes.
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