Trenton Proposed Water Reservoir Replacement Project
The utility sought a $70 million plan to replace an aging 1896 open-air reservoir with modern, enclosed concrete tanks.
Updated on Sept. 30, 2026 in Utilities
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Trenton Water Works presented a $70 million project to replace its 1896 open-air reservoir with two concrete tanks on September 1, 2026. The proposed infrastructure upgrade aims to address long-standing safety concerns for the utility, which serves more than 225,000 people.
Why it matters
Utility officials pitched the replacement as a critical security and safety upgrade to comply with federal guidance for covering open reservoirs. The project comes as the utility faces ongoing litigation from the State of New Jersey regarding repeated water safety violations.
The utility reported 53 violations in 2024 out of 85 total citations since 2019. The proposed project aims to replace an existing 80-million-gallon capacity with two new tanks holding a combined 32 million gallons of water.
The players
Trenton Water Works
This public utility provides water services to more than 225,000 residents across the Trenton region.
State of New Jersey
The state government is currently engaged in legal action against the City of Trenton over ongoing water safety concerns.
The details
Engineers warned that construction vibrations could destabilize the aging earthen embankment currently holding the 80-million-gallon reservoir. To manage the reduced storage capacity, officials plan to implement treatment plant upgrades and establish an emergency water connection.
Timeline
The original reservoir was completed in 1896.
The State of New Jersey filed a lawsuit against the City of Trenton in 2020.
Utility officials presented the project to the City Council on September 1, 2026.
Construction on the new tanks is expected to conclude by July 2028.
Market Landscape
The proposed project reflects a broader trend of aging municipal utilities struggling to upgrade 19th-century infrastructure to meet 21st-century safety regulations. This move positions the city to mitigate risks that have led to significant legal and regulatory pressure from state authorities.
Residents served by the utility may face shifting infrastructure costs as the city moves forward with this $70 million project. The plan aims to improve water safety and security, directly impacting the quality and reliability of the local water supply.
The takeaway
Replacing aging, open-air water storage is a significant capital investment required to meet modern safety standards. For residents, this underscores the ongoing fiscal challenges municipal water systems face when balancing necessary infrastructure modernization with regulatory compliance.
Further reading
Learn more about local infrastructure improvements on the Trenton Utilities page.
Source note: This article includes information reported by NJ.
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