Water Quality in Hauppauge, NY (11703)

EPA violation data for public water systems serving ZIP code 11703.

No Health-Based Violations

None of the 3 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are13 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 72% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

17,187

Population

Water Systems

Violations (5yr)

Health-Based

Location

Loading map...

Water Systems Serving This Area (3)

Suffolk County Water Authority

Groundwater 1,100,000 people served

0 violations

Lead tested: 1.27 ppb (limit: 15 ppb) ✓

Hither Hills State Park

Groundwater 300 people served

0 violations

Fair Oaks Drive-In Theatre

Groundwater 50 people served

13 violations (5yr)

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

7 violations

All resolved

Public NoticeMonitoring

4 violations

Has active

NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

2 violations

All resolved

Lead & Copper Levels

Lead (Pb)

Within limit

1.27 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Hauppauge (11703) has more violations than 72% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 13, most of which are monitoring/reporting issues.

Fewer violations 72th percentile More violations

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.