The city of dover, new hampshire is replacing existing cast iron water mains within a 6,000-foot section stretching from the 4-million-gallon garrison hill water storage tank to broadway

The City of Dover, New Hampshire received an $8.14 million Cooperative Agreement award from the Environmental Protection Agency (EPA) Region 1 under the Congressionally Mandated Projects program (CFDA 66.202) on October 1, 2025. The award funds the replacement of 6,000 feet of existing cast iron water mains extending from the Garrison Hill Water Storage Tank to Broadway, with completion targeted for October 2, 2026. Phase 1 encompasses replacement of deteriorated water main infrastructure along Abbey Sawyer Memorial Highway, Central Avenue, and under Broadway, along with replacement of inoperable valves in the project area.

The deliverables include installation of replacement cast iron water main lines to provide drinking water and fire suppression services to Dover residents. This critical infrastructure project addresses a major artery serving water and fire suppression to the southern two-thirds of the City of Dover, including the Central Business District. Subsequent Phases 2 and 3 will extend improvements from Broadway to Silver Street. No sub-awards are included in this assistance agreement. The project enhances the reliability, efficiency, and capacity of Dover's municipal water system, with the Garrison Hill Water Storage Tank undergoing rehabilitation in 2025 as a complementary infrastructure improvement.

The replacement includes a critical water main, located on central avenue. This section of water line is a critical artery that serves water and fire suppression to the southern two-thirds of the city of dover, including the central business district (CBD). This replacement is a necessity to enhance the reliability, efficiency, and capacity of dover's municipal water system. Activities:the city of dover, new hampshire is replacing existing cast iron water mains within a 6,000-foot section stretching from the 4-million-gallon garrison hill water storage tank to broadway. Phase 1 of the replacement project will upgrade the existing cast iron water main from the garrison hill water storage tank, which will be rehabilitated in 2025, down abbey sawyer memorial highway, south on central avenue, and under broadway. Inoperable valves in this area will also be replaced with additional valves. Subsequent phases 2 and 3 will continue the improvements from broadway (the end of phase 1) to silver street.subrecipient:no subawards are included in this assistance agreement.outcomes:anticipated deliverables include installation (replacement) of cast iron water main lines to provide drinking water and fire suppression for residents of dover, new hampshire.