Water Quality in Hauppauge, NY (11758)

EPA violation data for public water systems serving ZIP code 11758.

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

54,375

Population

11

Water Systems

40

Violations (5yr)

6

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)

Liberty Utilities New York - Lynbrook

3 health-based
Groundwater 220,000 people served
3 violations (5yr) · 3 health-based · All resolved
Lead tested: 4.2 ppb (limit: 15 ppb)

Liberty Utilities New York - Merrick

3 health-based
Groundwater 135,000 people served
3 violations (5yr) · 3 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Wa Of Western Nassau

Groundwater 120,000 people served
0 violations
Lead tested: 1.4 ppb (limit: 15 ppb)

Town Of Hempstead Water Department

Groundwater 110,000 people served
0 violations

Massapequa Wd

Groundwater 43,000 people served
0 violations

Tobay Beach

All resolved
Groundwater 2,420 people served
28 violations (5yr) · All resolved

Onteora Scout Reservation

All resolved
Groundwater 400 people served
3 violations (5yr) · All resolved

Mill River Club

Groundwater 130 people served
0 violations

Sunset Lodge

Groundwater 78 people served
3 violations (5yr)

Cdc Realty Co

Groundwater 0
0 violations

Contaminants Found

Lead and Copper RuleHealth-Based

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

6 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

4 violations
All resolved
ChlordaneMonitoring
1 violation
All resolved
HeptachlorMonitoring
1 violation
All resolved
HEXACHLOROBENZENEMonitoring
1 violation
All resolved
2,4,5-TPMonitoring
1 violation
All resolved
Benzo(a)pyreneMonitoring
1 violation
All resolved
AtrazineMonitoring
1 violation
All resolved
SimazineMonitoring
1 violation
All resolved
Aldicarb sulfoneMonitoring
1 violation
All resolved
EndrinMonitoring
1 violation
All resolved
BHC-GAMMAMonitoring
1 violation
All resolved
Aldicarb sulfoxideMonitoring
1 violation
All resolved
Total Polychlorinated Biphenyls (PCB)Monitoring
1 violation
All resolved
ETHYLENE DIBROMIDEMonitoring
1 violation
All resolved
DalaponMonitoring
1 violation
All resolved
MethoxychlorMonitoring
1 violation
All resolved
PicloramMonitoring
1 violation
All resolved
DinosebMonitoring
1 violation
All resolved
OXAMYLMonitoring
1 violation
All resolved
LASSOMonitoring
1 violation
All resolved
2,4-DMonitoring
1 violation
All resolved
ToxapheneMonitoring
1 violation
All resolved
AldicarbMonitoring
1 violation
All resolved
HexachlorocyclopentadieneMonitoring
1 violation
All resolved
CarbofuranMonitoring
1 violation
All resolved
Di(2-ethylhexyl) adipateMonitoring
1 violation
All resolved
PentachlorophenolMonitoring
1 violation
All resolved
Di(2-ethylhexyl) phthalateMonitoring
1 violation
All resolved
Heptachlor epoxideMonitoring
1 violation
All resolved
Public NoticeMonitoring
1 violation
Has active
E. COLIMonitoring
1 violation
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
4.2 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Hauppauge (11758) has more violations than 88% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 40.

Fewer violations 88th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

Nearby ZIP Codes

Check Another ZIP Code