Ecovyst Inc
4 facilities · 2 states · 19.6M lbs total releases
According to the EPA Toxics Release Inventory, Ecovyst Inc is the reported parent of 4 Form R facilities across 2 states, disclosing 19.6M lbs of toxic releases. 15 of 61 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Kansas (19.3M lbs). Those TRI figures remain self-reported disclosure pounds for Ecovyst Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Ecovyst Inc: EPA TRI 2023 reporting year
Same facilities, both years
-20.6%
4 facilities that filed in 2022 and 2023
Whole inventory
-20.6%
4.2 million lb → 3.4 million lb, every facility that filed
- Ecovyst Inc's total reported releases fell from 4.2 million lb in 2022 to 3.4 million lb in 2023, based on EPA TRI filings.
- Ecovyst Inc's off-site transfers fell from 4.1 million lb in 2022 to 3.2 million lb in 2023, based on EPA TRI filings.
- Ecovyst Inc's chemicals reported fell from 36 in 2022 to 31 in 2023, based on EPA TRI filings.
- Ecovyst Inc's air releases rose from 144.1 thousand lb in 2022 to 146.0 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Ecovyst Inc from filing to facility
Largest Form R sites under this parent: Ecovyst Catalyst Technologies LLC; Eco Services Operations Corp.; CHEM32 LLC; Eco Services Operations Corp.. Neighbor parents on the disclosure ladder: Evergy Inc; Koch Inc. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Vanadium compounds; Molybdenum trioxide. Heaviest-reporting states in this extract: Kansas; Texas. Industry labels on the parent rollup: Chemicals. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026
Largest Form R sites under this parent: Ecovyst Catalyst Technologies LLC; Eco Services Operations Corp.; CHEM32 LLC; Eco Services Operations Corp.. Neighbor parents on the disclosure ladder: Evergy Inc; Koch Inc. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Vanadium compounds; Molybdenum trioxide. Heaviest-reporting states in this extract: Kansas; Texas. Industry labels on the parent rollup: Chemicals.
Ecovyst Inc ranks #93 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Ecovyst Inc files across 2 states, a regional parent portfolio rather than a single-state discloser. Releases are facility-concentrated: Ecovyst Catalyst Technologies LLC accounts for most of Ecovyst Inc's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Ecovyst Inc follows facility-reported names. Compare the named neighbors (Evergy Inc; Koch Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Ecovyst Inc sits among TRI parents
Ecovyst Inc sits on a disclosure ladder beside Evergy Inc and Koch Inc. Open those parents for a different facility count, state span, and chemical mix.
Lower disclosed volume
- Evergy Inc · rank #94 · 15.9M lbs
- Koch Inc · rank #95 · 11.8M lbs
Largest chemicals disclosed by Ecovyst Inc
Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Vanadium compounds; Molybdenum trioxide lead the Form R pound rollup for this parent, including filings such as Ecovyst Catalyst Technologies LLC. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 18.7M lbs |
| Ammonia | 554.2K lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 197.0K lbs |
| Vanadium compounds | 68.3K lbs |
| Molybdenum trioxide | 27.0K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Kansas | 1 | 19.3M lbs |
| Texas | 3 | 318.8K lbs |
Facilities (4)
| Facility | Releases |
|---|---|
| Ecovyst Catalyst Technologies LLC Kansas City, KS | 19.3M lbs |
| Eco Services Operations Corp. Houston, TX | 227.6K lbs |
| CHEM32 LLC Orange, TX | 46.5K lbs |
| Eco Services Operations Corp. Baytown, TX | 44.7K lbs |
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Ecovyst Inc on total disclosed release pounds (19.6M lbs) and reporting facility count (4). Release-volume peers include Monomoy Capital Partners LLC, Snf Holding Co, Darling Ingredients Inc. Facility-count peers include A Stucki Holding Corp, Advanced Heat Treat Corp, Alleima USA LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Kansas, Texas; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Ecovyst Inc's TRI parent record
From Ecovyst Inc, open Ecovyst Catalyst Technologies LLC or compare against Evergy Inc rather than reading rank alone.
- Open the largest Form R site for Ecovyst Inc (Ecovyst Catalyst Technologies LLC in KS). Largest facility
- Compare against Evergy Inc, the next-lower disclosed-volume parent. Lower-volume parent
- Browse the full parent release ranking to see where Ecovyst Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Evergy Inc, Koch Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Ecovyst Inc's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
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.