Loading city report
Preparing Hays environmental records...
Review government records associated with Hays, Kansas.
Toxin Scout is in beta. Please verify important findings with the linked sources.
Loading city report
Preparing Hays 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 Hays, KS from EPA SDWIS.
Hays, City of
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 21,040 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 May 2023 to Nov 2023.
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 Hays drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
City of Hays-Big Creek
Reported: Nov 2026
Health-relevant causes: Metals (other Than Mercury), Pathogens
Affected uses: Drinkingwater, Ecological, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
No NPDES-permitted facility records with current violation flags surfaced for this city report.
Reviewed: active/open records as of Q4 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.
Ellis County
Assessment year: 2020
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 modeled source groups
Data from EPA AirToxScreen
No EPA nonattainment designation records shown for this report.
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.
Enersys
Reported: 2024
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 ECHO2 sites with active cleanup or investigation status
10th Street At Oak Street, Hays
Reported: Feb 2026
233 E 8th St, Hays
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
Release reports
Reported: Dec 2021
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.
Recently updated active/intermittent sites (1)
Data from MSHA
Ellis County, KS
EPA Radon Zone Map (June 2024 release)
Ellis 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.
No FEMA flood-zone records shown for this report.
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.
Ellis County, KansasPop. 28,941
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 | 5,938 | 8,079 | 7,972 |
| Poor or Fair Health | 14.1% | 14.2% | 14.2% |
| Poor Physical Health Days | 3.3 | 3.2 | 3.3 |
| Poor Mental Health Days | 4.6 | 5.0 | 4.8 |
| Adult Smoking | 16.5% | 16.4% | 15.0% |
| Adult Obesity | 37.9% | 36.7% | 34.0% |
| Air Pollution - Particulate Matter | 6.0 | 6.7 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 9.4% | 10.0% | 9.6% |
| Life Expectancy | 79.8 | 77.0 | 77.6 |
EPA testing found PFAS in water samples from the City of Hays. Results dated May 1, 2023 to Nov 7, 2023 include PFPeA at 0.0069 to 0.0107 micrograms per liter and 6:2 FTS at 0.007 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 4 violations for the City of Hays.
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 Hays yet.
The radon data for Hays covers Ellis County. EPA places this area in Zone 1, with a predicted average indoor radon screening level above 4 picocuries per liter.
No Superfund sites were returned for this city report.
This city report shows 2 brownfield sites: Consolidated Grain Inc; Nex Tech Mobile Radio Bta.
The county data for Hays reports a life expectancy of 79.8 years in Ellis County, Kansas.
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 Hays reports 5,938 years of life lost to deaths before age 75 per 100,000 residents in Ellis County, Kansas. 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 Hays lists fine-particle pollution (PM2.5) at 6.0 micrograms per cubic meter in Ellis County, Kansas.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.