B
78

Good Water Quality

Upton, NY 11973

Suffolk County · Population served: 3,500 · Data updated March 2026

Water Systems Serving This Area

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BROOKHAVEN NATIONAL LABORATORY
Groundwater · Pop. 3,500
PWSID: NY5111891

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
17.1
15 ppb 1 ppb Exceeded

PFAS / Forever Chemicals

1 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFBA122.5 pptNo standard500 pptUnregulated

Water Quality Summary

Understanding Your Water in Upton

Tap water quality in Upton, New York (11973) receives an overall grade of B (Good) with a score of 78 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is roughly in line with the New York state average of 75. The area is served by Brookhaven National Laboratory, a groundwater system providing water to approximately 3,500 people. Testing has found elevated levels of Lead that warrant attention. PFAS testing detected 1 compound, all currently below EPA limits. The area has a clean violation record over the past 5 years — a positive indicator of consistent water quality management.

Your Score 78/100 B
vs State 3 pts above New York avg (75)
vs National 3 pts above national avg (75)

What a Grade B Means

A score of 78/100 means the water in Upton, NY is generally good and meets EPA standards, with only minor areas of concern. There may be low levels of detectable contaminants or a small number of non-critical violations. Most residents can feel comfortable with their tap water quality, though basic filtration can provide an extra layer of protection.

Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

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Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Upton, New York receives a grade of B (Good) with a score of 78/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 11973 is served by 1 water system using groundwater sources, providing water to approximately 3,500 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.

Yes — lead levels in Upton, New York are 17.1 ppb, which exceeds the EPA action level of 15 ppb. This is a serious concern. We strongly recommend using a certified lead-removal filter for all drinking and cooking water, and having your water independently tested.

1 PFAS compound were detected in water serving Upton, New York, but all are currently below EPA limits. While levels are within regulatory standards, some health organizations recommend minimizing any PFAS exposure. Activated carbon or reverse osmosis filters can reduce PFAS levels.

Water systems serving Upton, New York have zero violations in the last 5 years. This is a positive indicator of consistent regulatory compliance and water quality management.

Based on detected contaminants (lead, PFAS), residents in Upton, New York should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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