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Public environmental health records for water, air, land, infrastructure, incidents, and community indicators.
Toxin Scout summarizes public records from government and public datasets. Data can be delayed, incomplete, approximate, matched at non-parcel levels, or have accuracy problems as a result of this product's beta status, so verify important findings against the linked source records.
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Preparing Surprise environmental records...
Drinking water compliance, PFAS records, natural water body health, discharge permits, and water-quality monitoring records for Surprise.
Public water-system records for Surprise, AZ from EPA SDWIS.
Surprise City of - Mountain Vista
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 40,007 people
Data from EPA SDWIS
Reviewed: source records as of Q1 2026
EPA UCMR5 — No PFAS detected in drinking water
Open data source: EPA UCMR5DoD PFAS — No military investigation sites nearby
Open data source: DoD PFASNo health-relevant impaired water body records surfaced within 10 km in EPA ATTAINS.
Data from EPA ATTAINS
Reviewed: source records as of Q4 2025
Reviewed: source records as of Jan 5005
Air quality data from EPA monitoring stations, facility emissions inventories, and area-level air-quality designations in this city.
Maricopa County
Reported: Dec 2020
EPA national average is ~30 per million
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 local emission sources
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.
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)
Data from EPA Green Book
Buckeye
Annual mean: 18.4 ppb · EPA standard: 100 ppb
Reported: Mar 2026
Annual mean: 0.3 ppm · EPA standard: 9 ppm
Reported: Mar 2026
Annual mean: 0.0 ppm · EPA standard: 0.07 ppm
Annual standard context: 3 exceedance days recorded in the reporting period
Reported: Mar 2026
Data from EPA AQS
Facilities regulated under the Clean Air Act. CAA HPV flags indicate serious noncompliance such as exceeding emission limits.
No facility records with active violation or noncompliance flags surfaced in EPA ECHO.
Reviewed: active/open records as of Q4 2025
Data from EPA ECHO
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Ball Metal Beverage Container Corp
Reported: 2024
Contaminated sites, waste facilities, cleanup records, and industrial operations in this city.
Reviewed: source query run Jun 2026
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHONo matching brownfield records with active cleanup or investigation status surfaced for this city report.
Reviewed: active/open records as of Q1 2026
No underground storage tank records with active/open release status surfaced within 2 miles.
Data from EPA UST Finder
Reviewed: reporting year 2024
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 FUDSReported: Jun 2026
Reported: Jun 2026
Reported: Jun 2026
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 recently updated active or intermittent MSHA-regulated sites within 5 miles.
Reviewed: status dates within last 5 years
Data from MSHA
Maricopa County, AZ
Reported: Mar 2026
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.
Flood-map status, chemical accident risk, nuclear facilities, pipeline incidents, and community health indicators in this city.
FEMA's National Flood Hazard Layer maps flood risk. Properties in a Special Flood Hazard Area are required to carry flood insurance if they have a federally backed mortgage.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain) with base flood elevation.
Risk Management Program facilities handle extremely hazardous substances (e.g., chlorine, ammonia, propane). EPA requires these facilities to plan for worst-case chemical releases.
No facility records with recent chemical accidents surfaced for this property within the last five years.
Data from EPA ECHO
Reviewed: 2000-present
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Maricopa County, ArizonaPop. 4,551,524
Reported: Mar 2026
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking Water Violations
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 Violations | 1 | 1 | N/A |
| Diabetes Prevalence | 9.5% | 9.7% | 9.6% |
| Life Expectancy | 78.2 | 77.5 | 77.6 |