EPA data as of Oct 2026 · page updated 2026-10-29

Home hazard report for 01586 — West Millbury, MA

ZIP 01586 is served by Aquarion Water Company, Millbury (as listed by the state): no health-based violations since 2016, latest lead result 0 ppb, PFAS 15.8 ppt. Worcester is in EPA radon zone 1.

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Where ZIP 01586 is

blue: utility service area · scroll or pinch to zoom
ZIP code areaZIP center Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

Drinking water: Aquarion Water Company, Millbury

EPA IDMA2186000
People served11,368
Sourcesurface water (rivers, lakes)
Connections3,981

Health-based violations

No health-based violations reported since 2016.

Full record for Aquarion Water Company, Millbury →

Lead

Jan 20250 ppb
Jul 20240 ppb
Jan 20240 ppb
Jan 20210 ppb
Jan 20180 ppb
Jan 20150 ppb
Jan 20121.8 ppb
Jan 20092 ppb

90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.

PFAS (“forever chemicals”)

CompoundHighest resultSamples with detectionEPA limit
PFBA15.9 ppt3 of 10—
PFOA15.8 ppt2 of 104 ppt MCL
PFPeA10.3 ppt6 of 10—
PFHxA8.6 ppt3 of 10—
PFOS6.2 ppt2 of 104 ppt MCL
PFHpA5.8 ppt1 of 10—
PFBS3.7 ppt2 of 10—
HFPO-DA (GenX)not detected0 of 10—
PFNAnot detected0 of 10—
PFHxSnot detected0 of 10—
PFDAnot detected0 of 10—

EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5), samples 2023–2025; ppt = parts per trillion (ng/L). The 4.0 ppt maximum contaminant levels for PFOA and PFOS were set by EPA in 2024; water systems have until the end of the decade to comply.

Radon in Worcester

EPA radon zone 1 — highest potential. Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.

Radon is a colorless, odorless radioactive gas from soil and rock, and the leading cause of lung cancer among non-smokers. EPA recommends fixing a home at 4 pCi/L or above and considering it from 2 pCi/L. A short-term test kit costs about $15–30. How radon zones work →

Superfund sites nearby

No site on EPA’s Superfund National Priorities List lies within 10 miles of the center of this ZIP code.

EPA Superfund National Priorities List (NPL): the country’s most serious known hazardous-waste sites, each with an EPA cleanup record (linked). Distance is measured from the ZIP center to the site’s reference point; being near a site does not by itself mean exposure — EPA site pages describe what was found and how it is being cleaned up.

Buying a home in West Millbury? See the 2026 conforming, FHA and jumbo loan limits for Worcester →

What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.

Questions about 01586

Who supplies drinking water to ZIP 01586?

Aquarion Water Company, Millbury (EPA ID MA2186000), a surface water (rivers, lakes) system serving about 11,368 people, listed by the state as serving this ZIP code.

Is there lead in West Millbury, MA tap water?

The utility’s latest 90th-percentile lead result (Jan 2025) was 0 ppb; EPA’s action level is 15 ppb, falling to 10 ppb from 2027. Lead mostly comes from service lines and home plumbing, so the only way to know your tap is to test it.

Does West Millbury, MA water have PFAS?

Highest PFOA or PFOS result in EPA’s 2023–2025 testing was at or above 4.0 ppt, EPA’s 2024 maximum contaminant level for each. 7 PFAS compounds detected.

Has the water system in 01586 had violations?

No health-based violations reported since 2016.

Are there Superfund sites near 01586?

No active Superfund site within 10 miles of the ZIP center.

Is radon a problem in Worcester?

Worcester is in EPA radon zone 1 (highest potential). Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.