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Review government records associated with Fountain Hills, Arizona.
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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 Fountain Hills, AZ from EPA SDWIS.
Fort Mcdowell Community
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 7,260 people
Scottsdale City of
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 241,361 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 Jun 2025.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Fountain Hills drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
No 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 2 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.
Maricopa 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 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.
Maricopa and Pinal Counties; Phoenix planning area: PM10
NonattainmentSeriousPM-10 (1987 Standard)
Original designation: Nov 1990
Health effects (EPA): Respiratory illness, aggravation of asthma (EPA)
Phoenix-Mesa: Ozone
NonattainmentModerate8-Hour Ozone (2015 Standard)
Original designation: Aug 2018
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.
Phoenix Area
CO · Carbon Monoxide (1971 Standard)
Classification: Serious
Original designation: Nov 1990
Current design value: 4.9 ppm (2023-2025)
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
A J Maintenance Yard — Apache Junction, Arizona
Annual mean: 0.049 Parts per million
EPA primary exceedance count: 4 (Ozone 8-hour 2015)
Observation year: 2025
Apache Junction Fire Station
Annual mean: 22.7 Micrograms/cubic meter (25 C)
EPA primary exceedance count: 1 (PM10 24-hour 2006)
Observation year: 2025
Annual mean: 5.1 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
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.
No records shown in this group.
Reviewed: status dates within last 5 years
Data from MSHA
Maricopa County, AZ
EPA Radon Zone Map (June 2024 release)
Maricopa 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.
Maricopa County, ArizonaPop. 4,551,524
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 | 8,012 | 8,865 | 7,972 |
| Poor or Fair Health | 14.8% | 15.7% | 14.2% |
| Poor Physical Health Days | 3.4 | 3.5 | 3.3 |
| Poor Mental Health Days | 5.2 | 4.9 | 4.8 |
| Adult Smoking | 14.0% | 13.5% | 15.0% |
| Adult Obesity | 30.9% | 31.8% | 34.0% |
| Air Pollution - Particulate Matter | 8.4 | 4.8 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 9.5% | 9.7% | 9.6% |
| Life Expectancy | 78.2 | 77.5 | 77.6 |
EPA testing found PFAS in water samples from the City of Scottsdale. Results dated Jun 25, 2025 include PFBS at 0.0032 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 36 violations for Fort McDowell Community.
EPA drinking water records on this page list 27 violations for the City of Scottsdale.
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 Fountain Hills.
The monitoring station at A J Maintenance Yard, Apache Junction, Arizona recorded an annual average of 0.049 Parts per million for ozone in 2025.
The monitoring station at Apache Junction Fire Station recorded an annual average of 22.7 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The monitoring station at Apache Junction Fire Station recorded an annual average of 5.1 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The radon data for Fountain Hills covers Maricopa 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 Fountain Hills reports a life expectancy of 78.2 years in Maricopa 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 Fountain Hills reports 8,012 years of life lost to deaths before age 75 per 100,000 residents in Maricopa 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 Fountain Hills lists fine-particle pollution (PM2.5) at 8.4 micrograms per cubic meter in Maricopa County, Arizona.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.