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

Home hazard report for 02050 — Marshfield, MA

ZIP 02050 is served by Marshfield Water Department: 1 violation since 2016, latest lead result 4 ppb, PFAS 7 ppt. Plymouth County is in EPA radon zone 2.

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Where ZIP 02050 is

Dashed: ZIP area · 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: Marshfield Water Department

EPA IDMA4171000
People served34,000
Sourcegroundwater (wells)
Connections11,000

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Revised Total Coliform Rule1

A health-based violation means a contaminant exceeded its legal limit (MCL) or a required treatment technique was not met, as reported by the state to EPA’s SDWIS. All are listed as resolved or archived; the latest began Aug 2019.

Full record for Marshfield Water Department →

Lead

Jan 20224 ppb
Jan 20195 ppb
Jan 20165 ppb
Jan 20132 ppb
Jan 20103 ppb
Jul 20092 ppb
Jan 20092 ppb
Jan 20065 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
PFPeA14.7 ppt9 of 31—
PFHxA11.7 ppt9 of 31—
PFOA7 ppt8 of 314 ppt MCL
PFBA6 ppt2 of 31—
PFOS4.6 ppt1 of 314 ppt MCL
PFBS3.9 ppt4 of 31—
PFHpA3.2 ppt2 of 31—
HFPO-DA (GenX)not detected0 of 31—
PFDAnot detected0 of 31—
PFNAnot detected0 of 31—
PFHxSnot detected0 of 31—

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 Plymouth County

EPA radon zone 2 — moderate potential. Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.

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 →

Natural hazard risk

FEMA rates the overall natural-hazard risk of this neighborhood (census tract) as Relatively Low, with relatively low social vulnerability and very high community resilience.

Coastal floodingRelatively High
Cold waveRelatively Low
HurricaneRelatively Low
LightningRelatively Low
Riverine floodingRelatively Low
Strong windRelatively Low
Winter weatherRelatively Low
EarthquakeVery Low
HailVery Low
Heat waveVery Low
Ice stormVery Low
LandslideVery Low
TornadoVery Low
WildfireVery Low

FEMA National Risk Index (December 2025): expected annual losses from each hazard combined with social vulnerability and community resilience, rated relative to all U.S. census tracts. Hazards not listed are not applicable here. It describes the area, not a single building; flood insurance maps (FEMA FIRMs) decide flood-insurance requirements.

Live conditions: river gauges and flood levels · tornado warnings · wildfire detections · earthquakes — our sister maps, updated from NOAA, USGS and NASA every few minutes.

Superfund sites nearby

SiteStatusDistance
Plymouth Harbor/Cannon Engineering Corp.
Plymouth, Massachusetts · EPA ID MAD980525232
Cleaned up & deleted9.4 mi

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 Marshfield? See the 2026 conforming, FHA and jumbo loan limits for Plymouth County →

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 02050

Who supplies drinking water to ZIP 02050?

Marshfield Water Department (EPA ID MA4171000), a groundwater (wells) system serving about 34,000 people.

Is there lead in Marshfield, MA tap water?

The utility’s latest 90th-percentile lead result (Jan 2022) was 4 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 Marshfield, 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 02050 had violations?

Health-based violations since 2016: Revised Total Coliform Rule. All are listed as resolved.

What natural hazards affect ZIP 02050?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively Low; the highest-rated hazards are coastal flooding (relatively high), cold wave (relatively low), hurricane (relatively low).

Are there Superfund sites near 02050?

No active Superfund site within 10 miles of the ZIP center. Sites within 10 miles: Plymouth Harbor/Cannon Engineering Corp. (9.4 mi, Cleaned up & deleted).

Is radon a problem in Plymouth County?

Plymouth County is in EPA radon zone 2 (moderate potential). Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.