DPW: culvert replacements must meet DEC rules; county factors climate into sizing
During the DPW presentation legislators asked about culvert replacement design and downstream impacts. DPW staff said permits and state guidance require widening crossings and they account for increased flows — typically adding about 20% for future climate change.
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A legislator asked whether culvert replacements will address upstream and downstream flow restrictions after staff showed an example of multiple historic culvert pipes failing. Commissioner Balkind said such projects must comply with New York State Department of Environmental Conservation (DEC) permits and guidance and that the county typically makes culvert crossings 25% wider than the native stream channel.
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