Sevier, TN
Transparent derived index from EPA TRI / SDWIS / Superfund extracts: not an official EPA rating. Fixed caps: facilities ≤25 pts (50+ = max), log10 releases ≤25 pts, Superfund ≤25 pts (5/site), health-violation systems ≤15 pts (3/system), high-chemical facilities ≤10 pts. Bands: High ≥60, Moderate ≥30. See methodology.
Environmental data for Sevier in Tennessee · Population: 98,802
TRI sites such as Lisega Inc; Otics USA; Emco Williams Inc; SDWIS systems such as PIGEON FORGE WATER DEPARTMENT; GATLINBURG WATER DEPT; SEVIER COUNTY WATER DEPARTMENT anchor Sevier, TN's EPA extract. Derived burden score 29/100 (Low Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.
Health-flagged SDWIS rows in Sevier include PIGEON FORGE WATER DEPARTMENT; EAST SEVIER COUNTY U.D.; GOLDEN ESTATES TRAILER COURT, while Lisega Inc leads reported TRI pounds among local Form R filers. AQS median AQI 44 / peak 93 in 2024.
Burden score 29/100 (Low Risk) is the only weighted composite on this page. The tables below list every TRI facility, SDWIS system, and Superfund site EPA has on record for Sevier -- not just the names called out above -- reproducing the disclosure history as filed, not a current-safety verdict. Extract current as of 2026-08-25.
Release-over-release change
What changed for Sevier, TN: EPA TRI 2023 reporting year
Same facilities, both years
-74.6%
5 facilities that filed in 2022 and 2023
Whole inventory
-74.6%
13.5 thousand lb → 3.4 thousand lb, every facility that filed
- Sevier, TN's total reported releases fell from 13.5 thousand lb in 2022 to 3.4 thousand lb in 2023, based on EPA TRI filings.
- Sevier, TN's off-site transfers fell from 11.7 thousand lb in 2022 to 1.1 thousand lb in 2023, based on EPA TRI filings.
- Sevier, TN's air releases rose from 1.8 thousand lb in 2022 to 2.3 thousand lb in 2023, based on EPA TRI filings.
Air Quality History (2020–2024)
EPA Air Quality Index (AQI) data showing how many days per year fall into each air quality category.
| Year | Good | Moderate | Unhealthy (SG) | Max AQI |
|---|---|---|---|---|
| 2024 | 289 (80%) | 73 | 0 | 93 |
| 2023 | 205 (76%) | 60 | 3 | 115 |
| 2022 | 262 (85%) | 48 | 0 | 93 |
| 2021 | 310 (85%) | 53 | 0 | 93 |
| 2020 | 336 (93%) | 26 | 1 | 105 |
Source: EPA Air Quality System (AQS) Annual AQI by County AQI categories: Good (0-50), Moderate (51-100), Unhealthy for Sensitive Groups (101-150), Unhealthy (151-200), Very Unhealthy (201-300), Hazardous (301+)
For real-time air quality readings and pollutant breakdowns in Tennessee, see the EPA's AirNow.gov.
Water Systems (12)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| PIGEON FORGE WATER DEPARTMENT | 14,872 | 1 |
| GATLINBURG WATER DEPT | 8,877 | 0 |
| SEVIER COUNTY WATER DEPARTMENT | 6,194 | 0 |
| WEBB CREEK UTILITY DISTRICT | 1,737 | 0 |
| EAST SEVIER COUNTY U.D. | 815 | 1 |
| RIVERSIDE CAMPGROUND | 450 | 0 |
| GOLDEN ESTATES TRAILER COURT | 225 | 5 |
| SPRING LAKE MOBILE HOME PARK | 122 | 0 |
| NORTON CREEK WATER SYSTEM | 107 | 0 |
| DAKOTA VALLEY MOBILE HOME PARK | 75 | 0 |
| WEARS VALLEY RANCH | 75 | 0 |
| CARLTON HEIGHTS MHP CT 2 | 60 | 5 |
TRI Facilities (5)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Lisega Inc | 16.0K lbs |
| 2 | Otics USA | 7.7K lbs |
| 3 | Emco Williams Inc | 4.7K lbs |
| 4 | Johnson Matthey US 2 LLC C/o Johnson Matthey Catalysts | 4.3K lbs |
| 5 | Federal-Mogul Sevierville | 613 lbs |
Cities in Sevier (3)
Frequently Asked Questions
What is the environmental risk level in Sevier, Tennessee? ▼
Are there Superfund sites in Sevier? ▼
How many toxic release facilities are in Sevier? ▼
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What environmental agencies cover Sevier? ▼
What does this county environmental profile show?
This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.
Read our methodology - how this data is sourced, computed, and verified.