UT · EPA TRI · SDWIS · Superfund

Utah environmental disclosure record

According to EPA's 2023 Toxics Release Inventory, Safe Drinking Water Information System, and Superfund National Priorities List extracts, this is Utah's full public registry profile, toxic releases, drinking-water systems, and Superfund sites in one place.

TRI facilities
246
Reported releases
1.06B lbs
#4 of 56
Water systems
553
Superfund NPL sites
24

Utah vs. every U.S. state

Cumulative TRI-reported release pounds, with this state marked in the national distribution

1059M lbs Top 7% higher than 93% of 56 states with TRI reporters

This state 0 lbs 2B+ lbs every state with TRI reporters, bucketed by value

Each bar is a $1M-wide band; taller bars hold more states with TRI reporters. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.

Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year

UT regulatory profile by statute

Violation/site counts mapped to the EPA statutes this portal tracks

records

What this shows Counts are mapped to statute as a structural proxy and reflect reported activity, not toxicity-weighted or population-adjusted risk. Clean Air Act (Title V) permit data is not currently ingested by this portal, so air-permit compliance is not shown here.

Source EPA SDWIS / Superfund

How Utah compares across two EPA disclosure measures

The highlighted point is Utah. The vertical axis is the share of tracked water systems with at least one health-based SDWIS record; the horizontal axis is TRI-reported pounds per facility on a logarithmic scale so the full state distribution stays readable. The crosshairs use the portal’s published national benchmark medians.

EPA disclosure intensity across states with both TRI facilities and water-system records 2×2 strategic matrix plotting 56 entities by TRI release intensity (log₁₀ lbs per facility) (X) and Water systems with a health-based record (%) (Y), with a crosshair dividing the plot into four quadrants. Higher release / higher record shareLower release / higher record shareHigher release / lower record shareLower release / lower record share 3456789 020406080100 TRI release intensity (log₁₀ lbs per facility) Water systems with a health-based record (%) UT highlighted Utah
EPA disclosure intensity across states with both TRI facilities and water-system records

This matrix compares disclosure rates, not toxicity, exposure, current compliance, or drinking-water safety. A lower position on either axis is not a safety rating; use the underlying facility and water-system records for context.

According to EPA TRI, SDWIS, and Superfund NPL extracts, Utah (UT) lists 246 TRI-reporting facilities disclosing 1.06B lbs of toxic releases. The same extracts list 24 Superfund sites and 553 EPA-regulated water systems, of which 272 carry health-based SDWIS violation rows. PlainEnviro's composite environmental health score for Utah is 34/100 (grade F), benchmarked against all U.S. states on chemical release intensity, drinking-water health violations, Superfund site burden, and water violation rate. This is a percentile-derived composite from federal disclosure counts, not a clinical health-risk assessment.

F 34

Utah Environmental Health Score

A percentile-benchmarked 0–100 composite from 4 EPA federal datasets, with weight redistribution for any unavailable dimension

4/4 dimensions · percentile-benchmarked

Chemical Release Intensity F 21
4.3M (lbs per facility)
Drinking Water Health Violations F 39
49.2% (% of systems)
Superfund Site Burden F 11
9.8 (sites per 100 facilities)
Water Violation Rate D 69
2.1 (violations per system)

Benchmarks derived from EPA TRI, SDWIS, and Superfund NPL extracts across all 56 U.S. states and territories

TRI Facilities

246

High

Water Systems

553

Moderate

Superfund Sites

24

Moderate

Total Releases

1.06B lbs

Very high

Compliance Snapshot - UT

Sites with no recorded health violations 66.0%
Sites with at least one open violation 34.0%

Utah's profile joins three independently maintained EPA programs into one statewide record: the Toxics Release Inventory (TRI, EPCRA Section 313 industrial disclosures), the Safe Drinking Water Information System (SDWIS, Safe Drinking Water Act compliance), and the Superfund National Priorities List. Each program uses its own reporting cadence and facility-identification scheme; PlainEnviro joins them by matched facility and system location rather than a shared federal ID, so a site absent from one program is never assumed absent from another. The counts below reflect the portal's rebuild as of August 2026.

Activity clusters in counties such as Utah, Salt Lake, Weber, which account for the highest combined facility, water-system, and Superfund presence. Monitoring and reporting violations are not included in the SDWIS counts shown here.

Every figure reflects the public regulatory record as filed with the U.S. Environmental Protection Agency and is not weighted for toxicity, geographic footprint, or population exposure. A state can rank high in any individual metric because of industrial history, naturally occurring contaminants in source water, or simply the number of reporting facilities, not because current residents face unsafe conditions. Drill into any county or water system below for the full disclosure record.

What does this state's environmental record show?

TRI Facilities
246
Water Systems
553
Superfund Sites
24
Health-Based Violation Records
1,172
Total Releases
1.06B lbs
cumulative, all reported years
Systems with Records
272
water systems

Release-over-release change

What changed for Utah: EPA TRI 2023 reporting year

2022 → 2023

Same facilities, both years

+54.0%

202 facilities that filed in 2022 and 2023

Whole inventory

+53.9%

185.8 million lb → 286.1 million lb, every facility that filed

Between the two reporting years, 10 facilities filed for the first time and 12 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.

  • Utah's total reported releases rose from 185.7 million lb in 2022 to 286.0 million lb in 2023, based on EPA TRI filings.
  • Utah's land releases rose from 175.1 million lb in 2022 to 277.7 million lb in 2023, based on EPA TRI filings.
  • Utah's air releases fell from 4.7 million lb in 2022 to 2.1 million lb in 2023, based on EPA TRI filings.
  • Utah's chemicals reported fell from 172 in 2022 to 156 in 2023, based on EPA TRI filings.

Largest Polluters

View all →
# Facility Total Releases
1 Kennecott Utah Copper Mine Concentrators & Power Plant 781.4M lbs
2 Kennecott Utah Copper Smelter & Refinery 135.3M lbs
3 Clean Harbors Grassy Mountain LLC 32.4M lbs
4 US Magnesium LLC 27.6M lbs
5 Energysolutions LLC 15.4M lbs
6 Clean Harbors Aragonite LLC 13.3M lbs
7 Pacificorp Hunter Plant 6.4M lbs
8 Materion Natural Resources Inc Mill 6.0M lbs
9 Nucor Steel - a Div of Nucor Corp 4.3M lbs
10 McWane Ductile-Utah 4.3M lbs
11 Bonanza Power Plant 4.2M lbs
12 Intermountain Power Generating Station 3.1M lbs
13 Western Zirconium 2.9M lbs
14 Pacificorp Energy-Huntington Plant 2.4M lbs
15 Bluebell Gas Plant 1.9M lbs
16 Altamont Gas Plant-Kinder Morgan 1.6M lbs
17 Hexcel Corp 1.6M lbs
18 Hf Sinclair Woods Cross Refining LLC 1.3M lbs
19 Chevron Products Co - Salt Lake Refinery 1.3M lbs
20 Northrop Grumman Systems Corp - Promontory 1.2M lbs

Water Quality

Systems with Health Violations

Water System Population Violations
OAK HAVEN WATER COMPANY 388 43
CREEKWOOD PARK WATER SYSTEM 192 42
GREEN HILLS COUNTRY ESTATES 237 31
BATEMANS MOSIDA FARMS 90 29
DUTCH JOHN TOWN WATER SYSTEM 144 28
IRONTOWN 75 25
HINCKLEY TOWN WATER SYSTEM 630 23
NORTH VALLEY RANCHES SUB 78 22
CANYON MEADOWS MUTUAL WATER COMPANY 85 20
DESERET - OASIS SSD 490 18
URIAH HEEPS SPRING WATER SYSTEM 3,750 14
CORNISH TOWN WATER SYSTEM 275 13
FOOTHILL WATER USERS ASSOCIATION 28 13
HI-COUNTRY ESTATES #1 373 13
PALISADES WATER COMPANY 49 13
TOWN OF APPLE VALLEY - APPLE VALLEY 815 13
COVE WATERWORKS 60 12
DIAMOND VALLEY ACRES 1,340 11
MOUNT PLEASANT CITY 4,040 10
OAK CITY WATER SYSTEM 660 9

Cities with Water Issues

Superfund Sites (24)

Site Name Status HRS Score
700 South 1600 East PCE Plume NPL Site 50.00
Bountiful/Woods Cross 5th South PCE Plume NPL Site 50.00
Davenport and Flagstaff Smelters Deleted NPL Site 32.50
Eureka Mills Deleted NPL Site 50.00
Five Points PCE Plume NPL Site 50.00
Hill Air Force Base NPL Site 49.94
Intermountain Waste Oil Refinery Deleted NPL Site 50.00
International Smelting and Refining Deleted NPL Site 58.31
Jacobs Smelter NPL Site 50.00
Kennecott (North Zone) Proposed NPL Site 59.18
Midvale Slag Deleted NPL Site 42.47
Monticello Mill Tailings (USDOE) NPL Site 35.86
Monticello Radioactively Contaminated Properties Deleted NPL Site 35.03
Murray Smelter Proposed NPL Site 86.60
Ogden Defense Depot (DLA) NPL Site 45.10
Petrochem Recycling Corp./Ekotek, Inc. Deleted NPL Site 62.81
Portland Cement (Kiln Dust 2 & 3) NPL Site 54.40
Richardson Flat Tailings Proposed NPL Site 50.23
Rose Park Sludge Pit Deleted NPL Site 0.00
Sharon Steel Corp. (Midvale Tailings) Deleted NPL Site 41.85
Tooele Army Depot (North Area) NPL Site 53.95
U.S. Magnesium NPL Site 59.18
Utah Power & Light/American Barrel Co. NPL Site 37.93
Wasatch Chemical Co. (Lot 6) NPL Site 49.91

Counties (30 total)

Showing top 20 counties by environmental activity. Utah has 30 counties total.

Cities with Environmental Records

Salt Lake City
49 facilities · 7 water systems
Ogden
21 facilities · 9 water systems
Logan
9 facilities · 2 water systems
North Salt Lake
8 facilities · 1 water systems
Clearfield
7 facilities · 0 water systems
Cedar City
6 facilities · 20 water systems
Springville
6 facilities · 5 water systems
West Jordan
6 facilities · 4 water systems
Brigham City
6 facilities · 3 water systems
Woods Cross
6 facilities · 2 water systems
West Valley City
6 facilities · 0 water systems
Delta
5 facilities · 4 water systems
Vernal
5 facilities · 4 water systems
Tooele
5 facilities · 2 water systems
Saint George
5 facilities · 0 water systems
Spanish Fork
4 facilities · 6 water systems
Lehi
4 facilities · 3 water systems
Grantsville
4 facilities · 1 water systems
Lindon
4 facilities · 1 water systems
Provo
3 facilities · 11 water systems

Frequently Asked Questions

How many TRI facilities are in Utah?
Utah has 246 facilities that report to the EPA Toxic Release Inventory (TRI). These facilities have collectively reported 1.06B lbs in total toxic chemical releases. TRI data is self-reported annually by facilities that manufacture, process, or use listed toxic chemicals above threshold amounts.
Does Utah have Superfund sites?
Yes, Utah has 24 sites on the EPA Superfund National Priorities List (NPL). Superfund sites are contaminated locations identified for long-term cleanup under the EPA Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).
What does EPA SDWIS list for drinking water in Utah?
Utah has 553 EPA-regulated water systems in the Safe Drinking Water Information System (SDWIS) extract used here. 272 water systems have a health-based violation row (MCL exceedance) in this historical extract. A past registry row is not a current drinkability verdict. For current utility conditions, contact the local water utility or the Utah drinking water program. Source: EPA SDWIS.
What environmental data is available for Utah?
PlainEnviro provides three categories of EPA environmental data for Utah: Toxic Release Inventory (TRI) data covering 246 industrial facilities, Safe Drinking Water Information System (SDWIS) data for 553 water systems, and Superfund National Priorities List (NPL) data for 24 contaminated sites.
How does Utah compare to other states on EPA disclosure counts?
Utah has 246 TRI facilities with 1.06B lbs in total releases, 24 Superfund sites, and 1,172 water system violations on record. These are federal disclosure counts; they are not toxicity-weighted or population-adjusted risk scores. Source: EPA TRI, SDWIS, and Superfund NPL databases.
What is Utah's environmental health score?
PlainEnviro's composite environmental health score for Utah is 34/100 (grade F). This score combines four percentile-benchmarked dimensions from EPA federal extracts: chemical release intensity per TRI facility, drinking-water health violation rate from SDWIS, Superfund site burden relative to industrial activity, and overall water violation rate. Scores are benchmarked against all 56 U.S. states and territories. When a dimension lacks data, its weight redistributes to the remaining dimensions so the score never deflates from missing inputs. This is a registry-count composite, not a clinical exposure or health-outcome assessment.

About This Data

This page aggregates environmental data from three EPA programs for Utah: the Toxic Release Inventory (TRI) for industrial chemical releases, the Safe Drinking Water Information System (SDWIS) for water quality, and the Superfund National Priorities List (NPL) for hazardous waste cleanup sites.

PlainEnviro presents this data without advocacy framing. Numbers reflect reported data and may not capture all environmental activity. For specific health or environmental concerns, contact your state environmental agency.

What to do with Utah's data

Use this state profile as a starting point, then drill into the specific dataset that matters to you.

  • Check the 246 TRI facilities reporting in Utah for the largest reported releases near a specific county. View facilities
  • 272 water systems in the state have a recorded health-based violation, check if yours is one of them. Check water systems
  • See how Utah compares to other states on releases, water violations, and Superfund sites. State rankings

Reported data reflects what facilities and agencies disclose to the EPA; it is not a complete measure of environmental risk or a substitute for local guidance.

Use and verify this record

Utah's profile brings together EPA release, drinking-water, and Superfund records. It reports the underlying programs without making a health or environmental-risk determination.

State environmental figures are computed directly from EPA data. The methodology records the joins, definitions, and refresh cadence for each program.

PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.

Federal sources included in this profile
  • EPA Toxics Release Inventory Basic Data Files - annual facility-level release disclosures. epa.gov
  • EPA Safe Drinking Water Information System - public water-system and violation records. epa.gov
  • EPA Superfund National Priorities List - hazardous-waste cleanup-site records. epa.gov