Kew Gardens Hills Water Hardness & Quality Report (2026)

Kew Gardens Hills, New York, a neighborhood in central Queens, New York County — a major central Queens neighborhood known for its large Orthodox Jewish and Modern Orthodox Jewish community (Kew Gardens Hills has one of the highest concentrations of Orthodox and Modern Orthodox Jewish residents in New York City), a significant Bukharan Jewish community (one of the largest Bukharan Jewish diaspora communities in the world), a diverse Queens neighborhood adjacent to Flushing and Forest Hills, and a predominantly residential central Queens community — draws its municipal water supply via the NYC DEP. Water hardness in Kew Gardens Hills measures 93.5 mg/L — classified as moderately soft.

Kew Gardens Hills's moderate softness reflects the NYC DEP Catskill–Delaware supply and central Queens distribution characteristics. The Catskill–Delaware reservoir system produces soft source water (approximately 40–60 mg/L). Central Queens distribution infrastructure (a mix of 1930s–1960s era Queens expansion mains) accumulates moderate hardness from the source supply, producing the moderate 93.5 mg/L — similar to neighboring central Queens communities in the Jamaica Hills area distribution grid.

With hardness at 93.5 mg/L, Kew Gardens Hills residents enjoy moderately soft water. NYC DEP consistently delivers water meeting all New York State DEC and EPA Safe Drinking Water Act requirements.