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Preparing Sierra Vista environmental records...
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 Sierra Vista environmental records...
Drinking water compliance, PFAS records, natural water body health, discharge permits, and water-quality monitoring records for Sierra Vista.
Public water-system records for Sierra Vista, AZ from EPA SDWIS.
Arizona Water Co - Sierra Vista
Active health-based drinking-water issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City appears in system name · Serves 9,175 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 Mar 2024.
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 Sierra Vista drinking-water detections. Record names come from the source database and can be broad.
Fort Huachuca
Army · Active
Suspected PFAS record
Remedial investigation underway
Estimated investigation end date: 2027-09
No health-relevant impaired water body records surfaced within 10 km in EPA ATTAINS.
Data from EPA ATTAINS
Reviewed: source records as of Q4 2025
Air quality data from EPA monitoring stations, facility emissions inventories, and area-level air-quality designations in this city.
Cochise County
Reported: Dec 2020
EPA national average is ~30 per million
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 local emission sources
Data from EPA AirToxScreen
This area meets EPA's National Ambient Air Quality Standards (NAAQS) for all criteria pollutants
No nonattainment designations apply to this location.
Reviewed: source records as of Q4 2025
Reviewed: source records as of 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 ECHO1 site with active cleanup or investigation status
1224 North Avenue, Sierra Vista
Reported: Feb 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
Active release reports
Reported: Dec 2021
Data from EPA UST Finder
Toxic Release Inventory data — chemicals disposed on-site at reporting facilities.
U.S.Dod US Army Fort Huachuca - Ranges
Open data source: View EPA TRI facility recordSites 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
Cochise County, AZ
Reported: Mar 2026
Cochise 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.
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Cochise County, ArizonaPop. 125,663
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 | 8,990 | 8,865 | 7,972 |
| Poor or Fair Health | 17.0% | 15.7% | 14.2% |
| Poor Physical Health Days | 4.0 | 3.5 | 3.3 |
| Poor Mental Health Days | 4.8 | 4.9 | 4.8 |
| Adult Smoking | 16.5% | 13.5% | 15.0% |
| Adult Obesity | 34.3% | 31.8% | 34.0% |
| Air Pollution - Particulate Matter | 5.1 | 4.8 | 7.3 |
| Drinking Water Violations | 1 | 1 | N/A |
| Diabetes Prevalence | 9.7% | 9.7% | 9.6% |
| Life Expectancy | 76.7 | 77.5 | 77.6 |