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Sevier, UT

Low Risk (23/100)

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 Utah · Population: 21,854

TRI sites such as US Gypsum Co Sigurd Utah; SDWIS systems such as RICHFIELD CITY; MONROE CITY; SALINA CITY WATER SYSTEM anchor Sevier, UT's EPA extract. Derived burden score 23/100 (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 ANNABELLA TOWN WATER SYSTEM; GLENWOOD TOWN WATER SYSTEM; KOOSHAREM, while US Gypsum Co Sigurd Utah leads reported TRI pounds among local Form R filers. No AQS county monitors report here.

Burden score 23/100 (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.

County population (Census ACS)
21,854
TRI Facilities
1
Water Systems
16
Superfund Sites
0
Total Releases
240 lbs

Water Systems (16)

System System pop (SDWIS) Violations
RICHFIELD CITY 8,360 0
MONROE CITY 2,715 0
SALINA CITY WATER SYSTEM 2,692 0
ELSINORE TOWN WATER SYSTEM 1,105 0
AURORA CITY 1,013 0
ANNABELLA TOWN WATER SYSTEM 860 2
REDMOND TOWN WATER SYSTEM 830 0
CENTRAL VALLEY TOWN 690 0
GLENWOOD TOWN WATER SYSTEM 447 5
SIGURD TOWN WATER SYSTEM 445 0
KOOSHAREM 400 1
JOSEPH TOWN 350 2
BROOKLYN SSD 155 0
AUSTIN SSD 135 6
COVE SPECIAL SERVICE DISTRICT 115 0
SOUTH MONROE CULINARY WATER CO 35 0

TRI Facilities (1)

# Facility Total Releases
1 US Gypsum Co Sigurd Utah 240 lbs

Cities in Sevier (12)

Sigurd
1 facilities · 1 water
Elsinore
0 facilities · 3 water
Joseph
0 facilities · 2 water
Monroe
0 facilities · 2 water
Annabella
0 facilities · 1 water
Aurora
0 facilities · 1 water
Central Valley
0 facilities · 1 water
Glenwood
0 facilities · 1 water
Koosharem
0 facilities · 1 water
Redmond
0 facilities · 1 water
Richfield
0 facilities · 1 water
Salina
0 facilities · 1 water

Frequently Asked Questions

What is the environmental risk level in Sevier, Utah? ▼
Sevier, UT has an environmental risk score of 23/100 (Low Risk), based on 1 TRI facilities, 0 Superfund sites, and 16 water systems on record. 5 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Sevier? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Sevier, UT in the EPA database.
How many toxic release facilities are in Sevier? ▼
Sevier, UT has 1 TRI-reporting facility on record with the EPA Toxic Release Inventory, with a combined total of 240 lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Sevier? ▼
Air quality monitoring data (EPA AQS) is not available for Sevier, UT. This may indicate no EPA monitoring stations are located in the county. For regional air quality data, see the state environmental profile or visit EPA's AirNow.gov.
Is the drinking water safe in Sevier? ▼
Sevier, UT has 16 EPA-regulated water systems. 5 systems have reported health-based violations (MCL exceedances). A past violation does not necessarily mean water is currently unsafe. For current water quality, contact your local water utility. Source: EPA SDWIS.
What environmental agencies cover Sevier? ▼
Environmental compliance in Sevier, Utah is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Utah state environmental agency. Facilities report to the EPA Toxic Release Inventory, water systems are regulated under the Safe Drinking Water Act, and contaminated sites are managed under the Superfund program. Contact your state environmental agency for local concerns.

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.

Related Guides

Understanding EPA Data
How EPA collects and publishes environmental data
Environmental Justice
Who lives near polluters and environmental hazards
How to Check Environmental Quality
Step-by-step guide to checking your local environment

Read our methodology - how this data is sourced, computed, and verified.

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Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro