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Review government records associated with Willoughby, 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 Willoughby, OH from EPA SDWIS.
Lake County West Water Subdistrict
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 78,379 people
Aqua Ohio - Mentor
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 74,500 people
Lake County East Water Subdistrict
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 40,656 people
Data from EPA SDWIS
Reviewed: source records as of Q1 2026
EPA UCMR5 — No PFAS detection records shown for these water systems
Open data source: EPA UCMR5DoD PFAS — No investigation records shown for this report
Open data source: DoD PFASEPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Town of Willoughby-Chagrin River
Reported: Nov 2026
Health-relevant causes: Pathogens
Affected uses: Ecological, Recreation
Data from EPA ATTAINS
Reviewed: source records as of Q4 2025
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.
Lake 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
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.
Cleveland
Ozone · 8-Hour Ozone (2015 Standard)
Classification: Serious
Current design value: 0.07 ppm (2023-2025)
Cleveland-Akron-Lorain
Ozone · 8-Hour Ozone (2008 Standard)
Classification: Marginal
Original designation: Jul 2012
Current design value: 0.07 ppm (2023-2025)
Cleveland-Akron-Lorain
PM2.5 · PM-2.5 (1997 Standard)
Classification: Former Subpart 1
Original designation: Apr 2005
Current design value: 11.1 µg/m³ (2023-2025)
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Cleveland Fire St13
Annual mean: 20.5 Micrograms/cubic meter (25 C)
Observation year: 2025
Annual mean: 9.0 Micrograms/cubic meter (LC)
Observation year: 2025
Cleveland near Road — Warrensville Heights, Ohio
Annual mean: 0.2 Parts per million
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
Data from EPA ECHO
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Bescast Inc
Reported: 2024
Conn-Selmer Inc Fka United Musical Instruments
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
No release reports shown in this group.
Reviewed: active/open records as of 2018
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 FUDSNo MSHA mine or extraction site records shown for this report.
Lake County, OH
EPA Radon Zone Map (June 2024 release)
Lake 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.
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.
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
Recent Incidents (last 5 years)
NORTHEAST OHIO NATURAL GAS CORP
Incident date: Sep 11, 2024
Property damage: $100,000
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Lake County, OhioPop. 231,842
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 | 7,653 | 9,394 | 7,972 |
| Poor or Fair Health | 14.2% | 15.9% | 14.2% |
| Poor Physical Health Days | 3.5 | 3.6 | 3.3 |
| Poor Mental Health Days | 5.2 | 5.5 | 4.8 |
| Adult Smoking | 17.2% | 18.8% | 15.0% |
| Adult Obesity | 36.6% | 37.9% | 34.0% |
| Air Pollution - Particulate Matter | 6.5 | 8.9 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 9.4% | 10.9% | 9.6% |
| Life Expectancy | 77.5 | 75.6 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Willoughby.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 2 violations for Lake County West Water Subdistrict.
EPA drinking water records on this page list 1 violation for Aqua Ohio-Mentor.
The EPA drinking water records available here list no violations for Lake County East Water Subdistrict.
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 Willoughby.
The monitoring station at Cleveland Fire St13 recorded an annual average of 20.5 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The monitoring station at Cleveland Fire St13 recorded an annual average of 9 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Cleveland Near Road, Warrensville Heights, Ohio recorded an annual average of 0.2 Parts per million for carbon monoxide in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
The radon data for Willoughby covers Lake County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for Willoughby reports a life expectancy of 77.5 years in Lake 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 Willoughby reports 7,653 years of life lost to deaths before age 75 per 100,000 residents in Lake 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 Willoughby lists fine-particle pollution (PM2.5) at 6.5 micrograms per cubic meter in Lake 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 Northeast Ohio Natural Gas Corp near Willoughby on Sep 11, 2024. The reported release was natural gas.