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Review government records associated with Massena, New York.
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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 Massena, NY from EPA SDWIS.
Massena Village
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 16,729 people
Data from EPA SDWIS
Reviewed: source records as of Q1 2026
EPA UCMR5 — No PFAS detection records shown for these water systems
Open data source: EPA UCMR5DoD PFAS — No investigation records shown for this report
Open data source: DoD PFASEPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Mcconnell Creek-Grass River
Reported: Nov 2026
Health-relevant causes: Pathogens, Polychlorinated Biphenyls (pcbs)
Affected uses: Cultural, Ecological, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
Last inspected: Dec 2025
Last inspected: Dec 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.
St. Lawrence County
Assessment year: 2020
According to EPA, a cancer risk of 20-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 20 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 designations apply to a specific pollutant and federal air quality standard (NAAQS). EPA can issue a clean-data determination while a formal designation remains in effect.
St. Lawrence County: SO2
NonattainmentSulfur Dioxide (2010 Standard)
Original designation: Apr 2021
Health effects (EPA): Bronchoconstriction, aggravation of asthma (EPA)
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Alcoa East
Annual mean: 7.4 Parts per billion
Observation year: 2025
Alcoa West
Annual mean: 13.3 Parts per billion
EPA primary exceedance count: 8 (SO2 1-hour 2010)
Observation year: 2025
Data from EPA AQS
Facilities regulated under the Clean Air Act. CAA HPV flags indicate serious noncompliance such as exceeding emission limits.
Air Violations
Last inspected: Dec 2025
Last inspected: Dec 2025
Data from EPA ECHO
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.
St. Lawrence County, NY
EPA Radon Zone Map (June 2024 release)
St. Lawrence County is EPA Radon Zone 2 (moderate potential). EPA defines Zone 2 counties as having predicted average indoor screening levels between 2 pCi/L and 4 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.
No FEMA flood-zone records shown for this report.
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.
Reviewed: 2000-present
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
St. Lawrence County, New YorkPop. 107,733
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 | 7,371 | 6,351 | 7,972 |
| Poor or Fair Health | 15.5% | 13.9% | 14.2% |
| Poor Physical Health Days | 3.7 | 3.1 | 3.3 |
| Poor Mental Health Days | 5.1 | 4.2 | 4.8 |
| Adult Smoking | 22.0% | 12.4% | 15.0% |
| Adult Obesity | 39.7% | 29.0% | 34.0% |
| Air Pollution - Particulate Matter | 7.3 | 6.9 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 10.7% | 10.1% | 9.6% |
| Life Expectancy | 77.6 | 79.7 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Massena.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 2 violations for Massena Village, including 1 marked active.
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 Massena.
The monitoring station at Alcoa East recorded an annual average of 7.4 Parts per billion for sulfur dioxide in 2025.
The monitoring station at Alcoa West recorded an annual average of 13.3 Parts per billion for sulfur dioxide in 2025.
The radon data for Massena covers St. Lawrence County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for Massena reports a life expectancy of 77.6 years in St. Lawrence County, New York.
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 Massena reports 7,371 years of life lost to deaths before age 75 per 100,000 residents in St. Lawrence County, New York. 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 Massena lists fine-particle pollution (PM2.5) at 7.3 micrograms per cubic meter in St. Lawrence County, New York.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.