Great Neck

Great Neck, NY receives a water quality score of 100/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.

Great Neck's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.

Great Neck's score of 100 is 17 points above the New York state average of 83, and above the nationwide average of roughly 78/100 across all U.S. states.

Current residents and prospective homebuyers in Great Neck can feel confident in the safety of their tap water, which consistently achieves top-tier marks for purity and compliance. Managing water quality in this mid-size New York city presents unique challenges, particularly given the Northeast region's older infrastructure, dense urban centers, and varied upstate geology. However, the local distribution systems successfully evaluate these regional hurdles to deliver outstanding water quality directly to households. This track record of excellence shows that the community's water supply remains highly reliable and safe for everyday consumption.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our New York water quality rankings report →