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Review government records associated with Winthrop Town, Massachusetts.
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Preparing Winthrop Town environmental records...
Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for Winthrop Town, MA from EPA SDWIS.
Winthrop Water Division, (Mwra)
Active health-based drinking-water issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
Purchased or imported water record · Serves 19,316 people
Weymouth Water Department
Active health-based drinking-water issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 57,613 people
Cambridge Water Department
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 118,214 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records; EPA samples shown are from Sep 2023 to May 2024.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
1 PFAS sample result above EPA limits
Sample period: Dec 2023
UCMR5 results are sampled by public water system, not every household. Confirm your water provider before treating these as tap-water results for a specific address.
| Chemical | Concentration (µg/L) | EPA Limit (µg/L) | Sample date | Over Limit |
|---|---|---|---|---|
| PFOA | 0.0048 | 0.0040 | 2023-12-05 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Winthrop Town drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Outlet Saugus River-Frontal Broad Sound
Reported: Nov 2026
Health-relevant causes: Mercury, Pathogens, Pesticides, Polychlorinated Biphenyls (pcbs)
Affected uses: Ecological, Fishconsumption, Other, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
No NPDES-permitted facility records with current violation flags surfaced for this city report.
Reviewed: active/open records as of Q4 2025
Data from EPA ECHO
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Suffolk County
Assessment year: 2020
According to EPA, a cancer risk of 30-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 30 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
EPA designates an area as nonattainment when air quality does not meet federal health-based standards (NAAQS) for a specific pollutant.
Historical designations under the revoked 1997 ozone standard
These records describe historical designations. EPA revoked the 1997 ozone standard on April 6, 2015.
Boston-Lawrence-Worcester (E. Mass) Area
Historical standard: 0.08 ppm (8-hour)
Historical designation: Nonattainment · Subpart 2/Moderate
Original designation: Jun 2004
Open data source: EPA final revocation ruleContinuing requirements have not been verified for this area.
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
25-009-2007 — Saugus (Town of), Massachusetts
Annual mean: 9.4 Micrograms/cubic meter (25 C)
Observation year: 2025
Annual mean: 5.9 Micrograms/cubic meter (LC)
Observation year: 2025
25-017-0011 — Framingham, Massachusetts
Annual mean: 6.1 Micrograms/cubic meter (LC)
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
Reviewed: source query run Nov 2026
Reviewed: source query run Nov 2026
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
Formerly Used Defense Sites are properties previously owned by, leased to, or otherwise possessed by the United States and under the jurisdiction of the Secretary of Defense. The FUDS program addresses environmental restoration at these properties.
Open data source: USACE FUDSNo MSHA mine or extraction site records shown for this report.
Suffolk County, MA
EPA Radon Zone Map (June 2024 release)
Suffolk County is EPA Radon Zone 3 (low potential). EPA defines Zone 3 counties as having predicted average indoor screening levels below 2 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain) with base flood elevation.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
EPA ECHO lists facilities linked to the Risk Management Program. Results include facilities with locations that can be matched. Records may be historical. Current operations, chemical inventories, and recent accident history are unverified.
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
No records dated within the last 5 years surfaced for this city report.
Reviewed: last 5 years
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Suffolk County, MassachusettsPop. 766,381
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 5,918 | 5,856 | 7,972 |
| Poor or Fair Health | 14.8% | 11.4% | 14.2% |
| Poor Physical Health Days | 3.1 | 2.7 | 3.3 |
| Poor Mental Health Days | 5.1 | 4.4 | 4.8 |
| Adult Smoking | 12.7% | 10.8% | 15.0% |
| Adult Obesity | 25.4% | 27.5% | 34.0% |
| Air Pollution - Particulate Matter | 8.1 | 6.8 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 9.9% | 7.8% | 9.6% |
| Life Expectancy | 80.4 | 79.9 | 77.6 |
EPA testing found PFAS in water samples from Weymouth Water Department. Results dated May 20, 2024 include PFPeA at 0.0031 micrograms per liter.
EPA testing found PFAS in water samples from Cambridge Water Department. Results dated Sep 13, 2023 to Dec 5, 2023 include PFOA at 0.0048 micrograms per liter and PFPeA at 0.0035 to 0.0036 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 6 violations for Winthrop Water Division, (Mwra), including 1 marked active.
EPA drinking water records on this page list 2 violations for Weymouth Water Department.
EPA drinking water records on this page list 39 violations for Cambridge Water Department.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for Winthrop Town.
The monitoring station at 25-009-2007, Saugus (Town of), Massachusetts recorded an annual average of 9.4 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The monitoring station at 25-009-2007, Saugus (Town of), Massachusetts recorded an annual average of 5.9 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at 25-017-0011, Framingham, Massachusetts recorded an annual average of 6.1 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
The radon data for Winthrop Town covers Suffolk County. EPA places this area in Zone 3, with a predicted average indoor radon screening level below 2 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for Winthrop Town reports a life expectancy of 80.4 years in Suffolk County, Massachusetts.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Winthrop Town reports 5,918 years of life lost to deaths before age 75 per 100,000 residents in Suffolk County, Massachusetts. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Winthrop Town lists fine-particle pollution (PM2.5) at 8.1 micrograms per cubic meter in Suffolk County, Massachusetts.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
Federal pipeline records list an incident involving Boston Gas Co near Winthrop Town on Feb 23, 2012. The reported release was natural gas.
Federal pipeline records list an incident involving Sunoco Pipeline L.P. near Winthrop Town on Jun 13, 2021. The reported release was a liquid petroleum product.