Water Quality in Hauppauge, NY (11901)

EPA violation data for public water systems serving ZIP code 11901.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 8 monitoring/reporting violations.

More violations than 65% of US ZIP codes.

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

33,091

Population

67

Water Systems

9

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (67)

Suffolk County Water Authority

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

Riverhead Water District

1 health-based
Groundwater 35,000 people served
2 violations (5yr) · 1 health-based · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Woodcliff Park

Groundwater 850 people served
0 violations

Reeves Beach Water Co

Groundwater 650 people served
0 violations

Oakwood-On-The-Sound

Groundwater 500 people served
0 violations

Nassau County 4 H Camp

Groundwater 450 people served
0 violations

Thurm'S Mobile Home Estates

Groundwater 450 people served
0 violations

Riley Avenue School

Groundwater 400 people served
0 violations

Pinecrest Garden Apartments

Groundwater 392 people served
0 violations

Daves Market

All resolved
Groundwater 350 people served
6 violations (5yr) · All resolved

Wading River Water Works

Groundwater 300 people served
0 violations

Sound Shore Club Corp

Groundwater 300 people served
0 violations

Aquebogue School

Groundwater 265 people served
0 violations

Rollin Mobile Homes

Groundwater 220 people served
0 violations

Roanoke Water Corp

Groundwater 201 people served
0 violations

Peconic Health & Raquet Club

Groundwater 200 people served
0 violations

Miloski'S Farm

Groundwater 200 people served
0 violations

Baiting Hollow Lodge

Groundwater 180 people served
0 violations

Cal & Co-Mushroom Meadows

Groundwater 175 people served
0 violations

Nassau Cty Police Boys Clb Cmp

Groundwater 175 people served
0 violations

Bayview Market

Groundwater 150 people served
0 violations

Little Flower Children'S Srvs

Groundwater 150 people served
0 violations

Aquebogue Square

Groundwater 120 people served
0 violations

Aquebogue Mobile Home Court

Groundwater 120 people served
0 violations

Little Bit Of Italy

Groundwater 100 people served
0 violations

Flanders Mens Club

Groundwater 100 people served
0 violations

Shiraz Rest

Groundwater 100 people served
0 violations

Wildwood Deli

Groundwater 100 people served
0 violations

Villege Coffee Shop

Groundwater 100 people served
0 violations

Poop Deck Restaurant

Groundwater 100 people served
0 violations

Usa Deli & Grocery

Groundwater 100 people served
0 violations

Bernies Bar

Groundwater 100 people served
0 violations

Hyde Inn

Groundwater 100 people served
0 violations

Jeskis Village

Groundwater 100 people served
0 violations

Wegerts Grocery Store

Groundwater 100 people served
0 violations

2 X 4 Restaurant

Groundwater 100 people served
0 violations

Jamesport Shop Center

Groundwater 100 people served
0 violations

Riverfront Deli

Groundwater 100 people served
0 violations

Lilco Riverhead Center

Groundwater 100 people served
0 violations

Kens Place

Groundwater 75 people served
0 violations

Peconic River Mobile Home Park

All resolved
Groundwater 75 people served
1 violation (5yr) · All resolved
Lead tested: 3 ppb (limit: 15 ppb)

Kens Place

Groundwater 75 people served
0 violations

South Jamesport Beach & Marina

Groundwater 75 people served
0 violations

Motel On The Bay

Groundwater 60 people served
0 violations

Metro Gas Station

Groundwater 50 people served
0 violations

Fontanna Bakery

Groundwater 50 people served
0 violations

Riverside Gymnastics Academy

Groundwater 50 people served
0 violations

Snow Flake Ice Cream

Groundwater 50 people served
0 violations

Judges

Groundwater 50 people served
0 violations

Oak Park Trailer Park

Groundwater 50 people served
0 violations

Fontanna Bakery

Groundwater 50 people served
0 violations

Riverhead Co-Op Nursery School

Groundwater 50 people served
0 violations

Vineyards

Groundwater 40 people served
0 violations

Fargo Potatoe Co.

Groundwater 38 people served
0 violations

Dreamers Cove

Groundwater 30 people served
0 violations

Wading River Professional Bldg

Groundwater 30 people served
0 violations

Weeping Willow Motel

Groundwater 30 people served
0 violations

Tosco Corp

Groundwater 30 people served
0 violations

Agway #1

Groundwater 28 people served
0 violations

Mike Espositos Lounge

Groundwater 25 people served
0 violations

Old Steeple Play School

Groundwater 25 people served
0 violations

94 Montauk Highway

Groundwater 25 people served
0 violations

Baiting Hollow Boy Scout Camp

Groundwater 25 people served
0 violations

Riverhead State Police H.Bays

Groundwater 22 people served
0 violations

Herod Point Association

Groundwater 15 people served
0 violations

Peconic Lake Estates Civic Org

Groundwater 10 people served
0 violations

Wildwood Shores Estates

Groundwater 1 people served
0 violations

Contaminants Found

NitriteHealth-Based

Similar to nitrate — harmful to infants at high levels.

1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

6 violations
All resolved
Nitrate-NitriteMonitoring
1 violation
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
2 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Hauppauge (11901) has more violations than 65% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 9.

Fewer violations 65th 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

One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.

Targets:Nitrate, Nitrite, Dissolved Solids

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.

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