Nassau lawn-watering rules vary by water provider, but most public and private utilities limit irrigation to odd or even days and prohibit midday watering to conserve groundwater drawn from the Sole Source Aquifer.
Long Island drinking water comes entirely from the federally designated Sole Source Aquifer beneath Nassau and Suffolk. To preserve supply, most water districts and private utilities including American Water and Liberty Water Long Island restrict irrigation to alternating days based on house number and prohibit watering between roughly 10 a.m. and 4 p.m. during summer. NCDPW operates limited county water service; most residents receive water from village water districts or investor-owned utilities. Drip irrigation, hand watering, and rain barrels are typically exempt from time-of-day rules.
Most utilities issue warnings, then escalate to fines up to a few hundred dollars per offense, with repeat violators facing higher penalties or service review.
Nassau County, NY
Nassau County sits atop the federally-designated Long Island Sole Source Aquifer, the only drinking water source for 3 million Long Island residents. Nassau ...
Nassau County, NY
Nassau water utilities require prompt reporting and repair of customer-side leaks to protect the Sole Source Aquifer. Water districts may issue notices when ...
See how Nassau County's lawn watering restrictions rules stack up against other locations.
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