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Review government records associated with Clayton, Ohio.
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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 Clayton, OH from EPA SDWIS.
Dayton Public Water System
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 141,407 people
Huber Heights Public Water System
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 43,439 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 2023 to Dec 2023.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
4 PFAS sample results above EPA limits
Sample period: Mar 2023 to Dec 2023
UCMR5 results are sampled by public water system, not every household. Confirm your water provider before treating these as tap-water results for a specific address.
| Chemical | Concentration (µg/L) | EPA Limit (µg/L) | Sample date | Over Limit |
|---|---|---|---|---|
| PFOS | 0.0100 | 0.0040 | 2023-09-06 | Yes |
| PFOS | 0.0073 | 0.0040 | 2023-12-04 | Yes |
| PFOS | 0.0065 | 0.0040 | 2023-06-15 | Yes |
| PFOS | 0.0062 | 0.0040 | 2023-03-28 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Clayton 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.
North Branch Wolf Creek
Reported: Nov 2026
Health-relevant causes: Pathogens
Affected uses: Fishconsumption, 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.
Montgomery 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 designates an area as nonattainment when air quality does not meet federal health-based standards (NAAQS) for a specific pollutant.
Maintenance areas
Previously nonattainment; currently meeting the standard and monitored under an EPA maintenance plan.
Dayton-Springfield
PM2.5 · PM-2.5 (1997 Standard)
Classification: Former Subpart 1
Original designation: Apr 2005
Current design value: 8.7 µg/m³ (2023-2025)
Historical designations under the revoked 1997 ozone standard
These records describe historical designations. EPA revoked the 1997 ozone standard on April 6, 2015.
Dayton-Springfield Area
Historical standard: 0.08 ppm (8-hour)
Historical designation: Maintenance · Former Subpart 1
Original designation: Jun 2004
Open data source: EPA final revocation ruleContinuing requirements have not been verified for this area.
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Eastwood — Dayton, Ohio
Annual mean: 0.045 Parts per million
EPA primary exceedance count: 3 (Ozone 8-hour 2015)
Observation year: 2025
Miami East Hs — Casstown, Ohio
Annual mean: 0.044 Parts per million
EPA primary exceedance count: 1 (Ozone 8-hour 2015)
Observation year: 2025
Middletown Airport
Annual mean: 0.045 Parts per million
EPA primary exceedance count: 2 (Ozone 8-hour 2015)
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
Release reports
Reported: Dec 2021
Reported: Dec 2021
Reported: Dec 2021
Data from EPA UST Finder
No MSHA mine or extraction site records shown for this report.
Montgomery County, OH
EPA Radon Zone Map (June 2024 release)
Montgomery 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.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain) with base flood elevation.
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.
Montgomery County, OhioPop. 533,892
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 | 11,814 | 9,394 | 7,972 |
| Poor or Fair Health | 17.9% | 15.9% | 14.2% |
| Poor Physical Health Days | 4.0 | 3.6 | 3.3 |
| Poor Mental Health Days | 5.8 | 5.5 | 4.8 |
| Adult Smoking | 18.7% | 18.8% | 15.0% |
| Adult Obesity | 40.6% | 37.9% | 34.0% |
| Air Pollution - Particulate Matter | 10.5 | 8.9 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 11.9% | 10.9% | 9.6% |
| Life Expectancy | 73.7 | 75.6 | 77.6 |
EPA testing found PFAS in water samples from Dayton Public Water System. Results dated Mar 28, 2023 to Dec 4, 2023 include PFOS at 0.0062 to 0.01 micrograms per liter and PFHxS at 0.007 to 0.0098 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 1 violation for Dayton Public Water System.
EPA drinking water records on this page list 1 violation for Huber Heights Public Water System, including 1 marked active.
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 Clayton.
The monitoring station at Eastwood, Dayton, Ohio recorded an annual average of 0.045 Parts per million for ozone in 2025.
The monitoring station at Miami East Hs, Casstown, Ohio recorded an annual average of 0.044 Parts per million for ozone in 2025.
The monitoring station at Middletown Airport recorded an annual average of 0.045 Parts per million for ozone in 2025.
The radon data for Clayton covers Montgomery County. EPA places this area in Zone 1, with a predicted average indoor radon screening level above 4 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for Clayton reports a life expectancy of 73.7 years in Montgomery County, Ohio.
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 Clayton reports 11,814 years of life lost to deaths before age 75 per 100,000 residents in Montgomery County, Ohio. 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 Clayton lists fine-particle pollution (PM2.5) at 10.5 micrograms per cubic meter in Montgomery County, Ohio.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.