Loading city report
Preparing West Mifflin environmental records...
Review government records associated with West Mifflin, Pennsylvania.
Toxin Scout is in beta. Please verify important findings with the linked sources.
Loading city report
Preparing West Mifflin 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 West Mifflin, PA from EPA SDWIS.
Pittsburgh Water & Sewer Auth
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 520,000 people
Oakmont Water Authority
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 39,901 people
Wilkinsburg-Penn Jt Water Auth
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 125,000 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.
Streets Run-Monongahela River
Reported: Nov 2026
Health-relevant causes: Metals (other Than Mercury), Pathogens, Polychlorinated Biphenyls (pcbs), Toxic Organics
Affected uses: Drinkingwater, Ecological, Fishconsumption
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
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.
Allegheny County
Assessment year: 2020
According to EPA, a cancer risk of 40-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 40 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.
Pittsburgh-Beaver Valley: Ozone
NonattainmentMarginal8-Hour Ozone (2008 Standard)
Original designation: Jul 2012
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
Maintenance areas
Previously nonattainment; currently meeting the standard and monitored under an EPA maintenance plan.
Allegheny
SO2 · Sulfur Dioxide (2010 Standard)
Original designation: Oct 2013
Current design value: 58 ppb (2023-2025)
Allegheny County
PM2.5 · PM-2.5 (2012 Standard)
Classification: Moderate
Original designation: Apr 2015
Current design value: 10.1 µg/m³ (2023-2025)
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Annual mean: 8.1 Micrograms/cubic meter (LC)
Observation year: 2025
Charleroi
Annual mean: 2.0 Parts per billion
Observation year: 2025
Annual mean: 14.1 Parts per billion
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
Data from EPA ECHO
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Dura-Bond Coating Inc
Reported: 2024
Epic Metals Corp
Reported: 2024
Reviewed: source query run Nov 2026
Reviewed: source query run Nov 2026
Facilities with hazardous-waste handler records under RCRA in the reviewed 5-mile city-center search area. Active handler status is separate from air, water, or other ECHO compliance violations, which are shown in their own sections.
Active RCRA handler records in the reviewed city search area
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
Reviewed: reporting year 2024
Sites regulated by the Mine Safety and Health Administration, including mines, sand and gravel operations, and portable crushers. Status and type are from the MSHA Mine Data Retrieval System. Records with active/intermittent status dates older than 5 years are shown as older records rather than current active sites.
More MSHA records matched the search than this preview shows.
No records shown in this group.
Reviewed: status dates within last 5 years
Data from MSHA
Allegheny County, PA
EPA Radon Zone Map (June 2024 release)
Allegheny County is EPA Radon Zone 1 (highest potential). EPA defines Zone 1 counties as having predicted average indoor screening levels above 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.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain). No base flood elevation determined.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
No EPA ECHO RMP facility records with a usable location matched this city report.
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.
Allegheny County, PennsylvaniaPop. 1,233,253
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 | 8,184 | 8,032 | 7,972 |
| Poor or Fair Health | 13.8% | 14.7% | 14.2% |
| Poor Physical Health Days | 3.3 | 3.4 | 3.3 |
| Poor Mental Health Days | 5.1 | 4.7 | 4.8 |
| Adult Smoking | 16.0% | 14.9% | 15.0% |
| Adult Obesity | 31.6% | 33.3% | 34.0% |
| Air Pollution - Particulate Matter | 14.1 | 8.5 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 8.0% | 9.4% | 9.6% |
| Life Expectancy | 77.2 | 77.3 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in West Mifflin.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 33 violations for Pittsburgh Water & Sewer Auth.
EPA drinking water records on this page list 5 violations for Oakmont Water Authority.
EPA drinking water records on this page list 6 violations for Wilkinsburg-Penn Jt Water Auth.
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 West Mifflin.
The monitoring station at Avalon recorded an annual average of 8.1 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Charleroi recorded an annual average of 2 Parts per billion for sulfur dioxide in 2025.
The monitoring station at Charleroi recorded an annual average of 14.1 Parts per billion for nitrogen dioxide in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
The radon data for West Mifflin covers Allegheny County. EPA places this area in Zone 1, with a predicted average indoor radon screening level above 4 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for West Mifflin reports a life expectancy of 77.2 years in Allegheny County, Pennsylvania.
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 West Mifflin reports 8,184 years of life lost to deaths before age 75 per 100,000 residents in Allegheny County, Pennsylvania. 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 West Mifflin lists fine-particle pollution (PM2.5) at 14.1 micrograms per cubic meter in Allegheny County, Pennsylvania.
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 Peoples Natural Gas Company LLC near West Mifflin on Jul 7, 2015. The reported release was natural gas.
Federal pipeline records list an incident involving Peoples Natural Gas Company LLC near West Mifflin on Apr 17, 2016. The reported release was natural gas.