Environmental Rules in Nassau County, NY (2026)
1 rule for unincorporated Nassau County, New York.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Nassau County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Stormwater Management
Nassau County's Board of Supervisors may direct the Department of Public Works to build dams, culverts, ditches, and channels countywide to prevent flooding, and other public agencies need county sign-off before building competing drainage works.
Nassau County Drainage & Flood Control Authority
Light RestrictionsNassau County Administrative Code § 12-20.0
The Board of Supervisors, for the purpose of drainage and to protect the property and the public health within the County from floods, freshets, and high waters, may authorize the Department of Public Works to: 1. Construct dams, culverts, ditches, sluices, and other channels for the passage of water. 2. Deepen, straighten, alter, pipe, or otherwise improve any of the lakes, ponds, streams, dit...
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