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DEP says new stormwater rules and a drainage study will shape infrastructure work for '1 LIC' rezoning
Summary
At a Queensborough hearing DEP described how updated unified stormwater requirements and upcoming drainage analysis will mitigate some stormwater impacts from redevelopment; DEP said sites above new thresholds must retain rainfall on‑site and that a detailed drainage study is expected in the first quarter of next year.
New York City's Department of Environmental Protection told the Queensborough land‑use hearing that updated stormwater rules will require many redevelopment sites in the proposed Long Island City rezoning area to manage rain on‑site and that the agency is preparing a targeted drainage study for the neighborhood.
"Those sites are going to be be required to retain or detain, meaning hold back completely or slow release the stormwater into our system there," said Dylan Marr of DEP. Marr described the green‑infrastructure requirement as holding the "first 1.5 inches of rainwater," meaning that in heavy storms much of the initial runoff would not enter combined sewers from compliant sites.
What DEP told the hearing: - Thresholds: The updated unified…
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