Water Quality in Hauppauge, NY (11721)
EPA violation data for public water systems serving ZIP code 11721.
No Health-Based Violations
None of the 2 water systems serving this ZIP have any violations in the past 5 years.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
6,426
Population
2
Water Systems
0
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (2)
Suffolk County Water Authority
Groundwater 1,100,000 people served
0 violations
Lead tested: 1.27 ppb (limit: 15 ppb) ✓
South Huntington Water District
Groundwater 81,760 people served
0 violations
Lead tested: 1.3 ppb (limit: 15 ppb) ✓
Lead & Copper Levels
Lead (Pb)
Within limit1.3 ppb measured
Action level: 15 ppb
Sampled: Jan 2024
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.