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Review government records associated with Winslow, Arizona.
Toxin Scout is in beta. Please verify important findings with the linked sources.
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Preparing Winslow 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 Winslow, AZ from EPA SDWIS.
Winslow City of
Active major or public-notice drinking-water issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 9,789 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 PFASNo health-relevant impairment records shown among the assessment records in this report.
Reviewed: source records as of 2026
Reviewed: source records as of Q4 2025
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Recent samples at 3 of 3 monitoring stations were above a drinking-water reference value used for screening. These monitoring results do not establish a public water system violation.
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Navajo County
Assessment year: 2020
According to EPA, a cancer risk of 10-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 10 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
No EPA nonattainment designation records shown for this report.
Reviewed: source records as of Q4 2025
Reviewed: source query run Nov 2026
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHO1 site with active cleanup or investigation status
716 W Third Street, Winslow
Reported: Feb 2026
Release reports
Reported: Dec 2021
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 FUDSSites 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.
Recently updated active/intermittent sites (1)
Data from MSHA
Navajo County, AZ
EPA Radon Zone Map (June 2024 release)
Navajo 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.
Minimal flood hazard — outside the 1% and 0.2% annual chance floodplains.
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.
Navajo County, ArizonaPop. 108,650
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 | 19,463 | 8,865 | 7,972 |
| Poor or Fair Health | 22.5% | 15.7% | 14.2% |
| Poor Physical Health Days | 4.7 | 3.5 | 3.3 |
| Poor Mental Health Days | 6.1 | 4.9 | 4.8 |
| Adult Smoking | 21.9% | 13.5% | 15.0% |
| Adult Obesity | 38.2% | 31.8% | 34.0% |
| Air Pollution - Particulate Matter | 4.7 | 4.8 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 12.8% | 9.7% | 9.6% |
| Life Expectancy | 68.8 | 77.5 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Winslow.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 44 violations for the City of Winslow, including 5 marked active.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
We don't have air monitoring measurements for Winslow yet.
The radon data for Winslow covers Navajo 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 sites were returned for this city report.
This city report shows 3 brownfield sites: Airport Hanger; Ames Service Station; Bashsa S Tax Lot A.
EPA Superfund recordsView on EPA ECHOView on EPA ECHOView on EPA ECHO
The county data for Winslow reports a life expectancy of 68.8 years in Navajo County, Arizona.
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 Winslow reports 19,463 years of life lost to deaths before age 75 per 100,000 residents in Navajo County, Arizona. 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 Winslow lists fine-particle pollution (PM2.5) at 4.7 micrograms per cubic meter in Navajo County, Arizona.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.