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Review government records associated with Sevierville, Tennessee.
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Preparing Sevierville 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 Sevierville, TN from EPA SDWIS.
Sevierville Water System
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 39,885 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.
Little Pigeon River Lower
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
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.
Sevier 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 designations apply to a specific pollutant and federal air quality standard (NAAQS). EPA can issue a clean-data determination while a formal designation remains in effect.
Historical designations under the revoked 1997 ozone standard
These records describe historical designations. EPA revoked the 1997 ozone standard on April 6, 2015.
Knoxville 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.
Air Lab — Knoxville, Tennessee
Annual mean: 15.1 Micrograms/cubic meter (25 C)
Observation year: 2025
Annual mean: 7.8 Micrograms/cubic meter (LC)
Observation year: 2025
East Knox Elementary School — Mascot, Tennessee
Annual mean: 0.039 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.
Emco Williams Inc
Reported: 2024
Johnson Matthey US 2 LLC C/O Johnson Matthey Catalysts
Reported: 2024
Lisega 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
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.
Recently updated active/intermittent sites (1)
Data from MSHA
Sevier County, TN
EPA Radon Zone Map (June 2024 release)
Sevier 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.
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.
No EPA ECHO RMP facility records with a usable location matched this city report.
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.
Sevier County, TennesseePop. 98,789
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 | 11,564 | 11,043 | 7,972 |
| Poor or Fair Health | 18.8% | 18.4% | 14.2% |
| Poor Physical Health Days | 4.4 | 4.1 | 3.3 |
| Poor Mental Health Days | 5.6 | 5.8 | 4.8 |
| Adult Smoking | 21.9% | 20.2% | 15.0% |
| Adult Obesity | 40.4% | 35.5% | 34.0% |
| Air Pollution - Particulate Matter | 8.9 | 7.6 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 11.0% | 12.2% | 9.6% |
| Life Expectancy | 74.0 | 74.1 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Sevierville.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 5 violations for Sevierville Water System, including 4 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 Sevierville.
The monitoring station at Air Lab, Knoxville, Tennessee recorded an annual average of 15.1 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The monitoring station at Air Lab, Knoxville, Tennessee recorded an annual average of 7.8 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at East Knox Elementary School, Mascot, Tennessee recorded an annual average of 0.039 Parts per million for ozone in 2025.
The radon data for Sevierville covers Sevier 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 Sevierville reports a life expectancy of 74.0 years in Sevier County, Tennessee.
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 Sevierville reports 11,564 years of life lost to deaths before age 75 per 100,000 residents in Sevier County, Tennessee. 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 Sevierville lists fine-particle pollution (PM2.5) at 8.9 micrograms per cubic meter in Sevier County, Tennessee.
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 Sevier County Util Dist near Sevierville on Nov 16, 2019. The reported release was natural gas.