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Review government records associated with Jeffersontown, Kentucky.
Toxin Scout is in beta. Please verify important findings with the linked sources.
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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 Jeffersontown, KY from EPA SDWIS.
Louisville Water Company
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 764,769 people
Mt Washington Water Company
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
Purchased or imported water record · Serves 23,760 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 Sep 2023 to Nov 2025.
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: Sep 2023 to Nov 2025
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 |
|---|---|---|---|---|
| PFOA | 0.0075 | 0.0040 | 2023-09-27 | Yes |
| PFOA | 0.0072 | 0.0040 | 2025-08-26 | Yes |
| PFOA | 0.0042 | 0.0040 | 2025-11-04 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Jeffersontown 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.
Chenoweth Run
Reported: Nov 2026
Health-relevant causes: 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.
Jefferson 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.
Louisville: Ozone
NonattainmentModerate8-Hour Ozone (2015 Standard)
Original designation: Nov 2026
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
Maintenance areas
Previously nonattainment; currently meeting the standard and monitored under an EPA maintenance plan.
Louisville
PM2.5 · PM-2.5 (1997 Standard)
Classification: Moderate
Original designation: Apr 2005
Current design value: 8.8 µg/m³ (2023-2025)
Louisville Area
Ozone · 8-Hour Ozone (1997 Standard)
Classification: Former Subpart 1
Original designation: Jun 2004
Current design value: 0.073 ppm (2023-2025)
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
18-043-0008 — New Albany, Indiana
Annual mean: 1.0 Parts per billion
Observation year: 2025
Annual mean: 0.045 Parts per million
EPA primary exceedance count: 5 (Ozone 8-hour 2015)
Observation year: 2025
Annual mean: 7.4 Micrograms/cubic meter (LC)
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Russtech Admixtures Inc
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
No MSHA mine or extraction site records shown for this report.
Jefferson County, KY
EPA Radon Zone Map (June 2024 release)
Jefferson 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.
Minimal flood hazard — outside the 1% and 0.2% annual chance floodplains.
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.
Jefferson County, KentuckyPop. 773,399
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 | 11,786 | 11,055 | 7,972 |
| Poor or Fair Health | 19.3% | 21.1% | 14.2% |
| Poor Physical Health Days | 3.9 | 4.5 | 3.3 |
| Poor Mental Health Days | 5.7 | 5.5 | 4.8 |
| Adult Smoking | 18.2% | 20.4% | 15.0% |
| Adult Obesity | 37.3% | 40.6% | 34.0% |
| Air Pollution - Particulate Matter | 10.5 | 8.2 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 11.0% | 12.4% | 9.6% |
| Life Expectancy | 74.1 | 74.0 | 77.6 |
EPA testing found PFAS in water samples from Louisville Water Company. Results dated Sep 27, 2023 to Nov 15, 2023 include PFOA at 0.0075 micrograms per liter and PFPeA at 0.0039 to 0.0041 micrograms per liter.
EPA testing found PFAS in water samples from Mt Washington Water Company. Results dated Aug 26, 2025 to Nov 4, 2025 include PFOA at 0.0042 to 0.0072 micrograms per liter and PFPeA at 0.0041 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 Louisville Water Company.
EPA drinking water records on this page list 9 violations for Mt Washington Water Company.
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 Jeffersontown.
The monitoring station at 18-043-0008, New Albany, Indiana recorded an annual average of 1 Parts per billion for sulfur dioxide in 2025.
The monitoring station at 18-043-0008, New Albany, Indiana recorded an annual average of 0.045 Parts per million for ozone in 2025.
The monitoring station at 18-043-0008, New Albany, Indiana recorded an annual average of 7.4 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 Jeffersontown covers Jefferson 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 Jeffersontown reports a life expectancy of 74.1 years in Jefferson County, Kentucky.
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 Jeffersontown reports 11,786 years of life lost to deaths before age 75 per 100,000 residents in Jefferson County, Kentucky. 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 Jeffersontown lists fine-particle pollution (PM2.5) at 10.5 micrograms per cubic meter in Jefferson County, Kentucky.
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 Louisville Gas & Electric Co near Jeffersontown on Apr 17, 2018. The reported release was natural gas.