Water Quality in Hauppauge, NY (11757)

EPA violation data for public water systems serving ZIP code 11757.

No Health-Based Violations

None of the 11 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are3 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 43% of US ZIP codes.

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

44,413

Population

11

Water Systems

3

Violations (5yr)

0

Health-Based

Location

Loading map...

Water Systems Serving This Area (11)

Suffolk County Water Authority

Groundwater 1,100,000 people served
0 violations
Lead tested: 1.27 ppb (limit: 15 ppb)

Gilgo Beach

Groundwater 500 people served
0 violations

Cedar Beach (Golf Course/Concession)

Groundwater 500 people served
0 violations

Overlook Beach

Groundwater 450 people served
0 violations

Boston Market-Shirley

Groundwater 250 people served
0 violations

New Horizon Deli

Groundwater 200 people served
0 violations

Cedar Beach Sportfishing Educ. Center

Groundwater 200 people served
0 violations

Cedar Beach Golf Course

Groundwater 100 people served
0 violations

Oak Beach Public Water Supply

All resolved
Groundwater 66 people served
1 violation (5yr) · All resolved
Lead tested: 3750 ppb (limit: 15 ppb)

Country Roads Campsites

All resolved
Groundwater 50 people served
2 violations (5yr) · All resolved

Tuscarora Lodge

Groundwater 50 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
Thallium, TotalMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Exceeds limit
3750 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Hauppauge (11757) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3, most of which are monitoring/reporting issues.

Fewer violations 43th 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.

Nearby ZIP Codes

Check Another ZIP Code