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From Delaware River Basin Commission evaluates water supply increase for regional use

How could the evaluation of water supply increase affect New York City?

Possible What happens if… A possibility worth considering, not a forecast.

Increased water supply capacity could improve New York City's drinking water reliability The Delaware River Basin Commission is evaluating options, including expanding existing reservoirs, to plan for future drought, flooding, and saltwater infiltration. The Cannonsville Reservoir, which is New York City’s third-largest source of drinking water, is a potential focus of this expansion study. This evaluation is part of a broader effort to identify additional water storage to support the river ecology and communities during times of extreme drought. The commission expects to have the findings of the 18-month feasibility study by mid-2028.

Reported by 1 independent outlet Written Friday
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How it reaches New York City

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The facts so far

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  • The Delaware River Basin Commission manages a 13,539 square mile watershed that supplies drinking water to four states.gothamist.com
  • New York City depends on the basin for about half of its drinking water.gothamist.com
  • The Cannonsville Reservoir is New York City’s third-largest source of drinking water.gothamist.com
  • The commission expects to have the findings of the 18-month feasibility study by mid-2028.gothamist.com

Why it matters

Water security is a critical issue for New York City, which relies heavily on the Delaware River Basin for a significant portion of its drinking water. The city declared its first drought warning in more than 20 years in 2024, highlighting the vulnerability of its current supply infrastructure to climate change and dry conditions.

The evaluation is part of a larger, decades-long effort to ensure the resilience of the basin's freshwater supply against increasing threats like drought and sea level rise. The project is a partnership between New York City and the Delaware River Basin Commission, indicating a high level of regional importance for the potential expansion.

What we don't know yet

  • What specific volume increase is being considered for the Cannonsville Reservoir?
  • What are the potential costs and permitting requirements for the proposed expansion?

What would change this answer

The commission approves the expansion of Cannonsville ReservoirThe operational capacity and reliability of New York City's drinking water supply would increase significantly.
The feasibility study finds major hydrological or geological constraintsThe potential for increasing the water supply would be severely limited, delaying or canceling the project.

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The full eventDelaware River Basin Commission evaluates water supply increase for regional use Everything aboutNew York City

Brind's analysis is written by AI from the reporting linked above and can be wrong. This explainer is a possibility worth considering, not a forecast: steps marked as Brind's reasoning are not stated in the reporting. It is not investment advice; do your own research.