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Review government records associated with Blue Ash, 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 Blue Ash, OH from EPA SDWIS.
Cincinnati Public Water System
PFAS above an official threshold detected in available EPA records.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 750,200 people
Hamilton 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 62,447 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 2023 to Nov 2024.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
3 PFAS sample results above EPA limits
Sample period: Jun 2023 to Nov 2024
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 | 0.0061 | 0.0040 | 2023-11-06 | Yes |
| PFOS | 0.0042 | 0.0040 | 2023-06-22 | Yes |
| PFOA | 0.0053 | 0.0040 | 2024-11-13 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Blue Ash 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.
Sycamore Creek
Reported: Nov 2026
Health-relevant causes: Metals (other Than Mercury), Pathogens
Affected uses: Ecological, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 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.
Hamilton 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.
Cincinnati
Ozone · 8-Hour Ozone (2015 Standard)
Classification: Marginal
Current design value: 0.074 ppm (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.
Cincinnati-Hamilton 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.
Amanda Elem — Middletown, Ohio
Annual mean: 3.1 Parts per billion
Observation year: 2025
Annual mean: 17.3 Micrograms/cubic meter (25 C)
Observation year: 2025
Annual mean: 8.8 Micrograms/cubic meter (LC)
Observation year: 2025
Data from EPA AQS
Facilities regulated under the Clean Air Act. CAA HPV flags indicate serious noncompliance such as exceeding emission limits.
Air Violations
Last inspected: Dec 2025
Last inspected: Dec 2025
Last inspected: Dec 2025
Data from EPA ECHO
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Cincinnati Thermal Spray
Reported: 2024
Dubois Chemicals Inc. - Sharonville Oh (50)
Reported: 2024
Formica Corp
Reported: 2024
Reviewed: source query run Nov 2026
Reviewed: source query run Nov 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
No MSHA mine or extraction site records shown for this report.
Hamilton County, OH
EPA Radon Zone Map (June 2024 release)
Hamilton 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.
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
No records dated within the last 5 years surfaced for this city report.
Reviewed: last 5 years
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Hamilton County, OhioPop. 825,037
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 | 9,397 | 9,394 | 7,972 |
| Poor or Fair Health | 15.7% | 15.9% | 14.2% |
| Poor Physical Health Days | 3.6 | 3.6 | 3.3 |
| Poor Mental Health Days | 5.6 | 5.5 | 4.8 |
| Adult Smoking | 17.2% | 18.8% | 15.0% |
| Adult Obesity | 35.3% | 37.9% | 34.0% |
| Air Pollution - Particulate Matter | 12.0 | 8.9 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 11.2% | 10.9% | 9.6% |
| Life Expectancy | 75.8 | 75.6 | 77.6 |
EPA testing found PFAS in water samples from Cincinnati Public Water System. Results dated Jun 22, 2023 to Nov 6, 2023 include PFOS at 0.0042 to 0.0061 micrograms per liter and PFBA at 0.0051 to 0.0052 micrograms per liter.
EPA testing found PFAS in water samples from Hamilton Public Water System. Results dated May 8, 2024 to Nov 13, 2024 include PFOA at 0.0053 micrograms per liter and PFHxS at 0.0041 micrograms per liter.
Check with the utility that serves your address for its testing results.
The EPA drinking water records available here list no violations for Cincinnati Public Water System.
EPA drinking water records on this page list 5 violations for Hamilton 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 Blue Ash.
The monitoring station at Amanda Elem, Middletown, Ohio recorded an annual average of 3.1 Parts per billion for sulfur dioxide in 2025.
The monitoring station at Amanda Elem, Middletown, Ohio recorded an annual average of 17.3 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The monitoring station at Amanda Elem, Middletown, Ohio recorded an annual average of 8.8 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
The radon data for Blue Ash covers Hamilton 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 Blue Ash reports a life expectancy of 75.8 years in Hamilton 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 Blue Ash reports 9,397 years of life lost to deaths before age 75 per 100,000 residents in Hamilton 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 Blue Ash lists fine-particle pollution (PM2.5) at 12.0 micrograms per cubic meter in Hamilton County, Ohio.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
Federal pipeline records list an incident involving Duke Energy Ohio near Blue Ash on Oct 7, 2020. The reported release was natural gas.