Graymont Ltd
4 facilities · 4 states · 1.2M lbs total releases
According to the EPA Toxics Release Inventory, Graymont Ltd is the reported parent of 4 Form R facilities across 4 states, disclosing 1.2M lbs of toxic releases. 1 of 16 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Utah (478.4K lbs). Those TRI figures remain self-reported disclosure pounds for Graymont Ltd, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Graymont Ltd: EPA TRI 2023 reporting year
Same facilities, both years
+9.2%
4 facilities that filed in 2022 and 2023
Whole inventory
+9.2%
217.8 thousand lb → 237.8 thousand lb, every facility that filed
- Graymont Ltd's total reported releases rose from 217.8 thousand lb in 2022 to 237.8 thousand lb in 2023, based on EPA TRI filings.
- Graymont Ltd's air releases rose from 134.6 thousand lb in 2022 to 167.6 thousand lb in 2023, based on EPA TRI filings.
- Graymont Ltd's land releases fell from 83.2 thousand lb in 2022 to 70.2 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Graymont Ltd from filing to facility
Largest Form R sites under this parent: Graymont Western U.S. Inc Cricket Mtn Lime Production; Western Lime Eden Facility - Lime Production; Graymont Western US Inc Indian Creek Lime Production; Graymont Western US Inc Pilot Peak Lime Production. Neighbor parents on the disclosure ladder: Clean Harbors Inc; The Renco Group Inc. Largest disclosed chemicals by pounds: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Lead And Lead Compounds; Ammonia; Methanol; Manganese And Manganese Compounds. Heaviest-reporting states in this extract: Utah; Wisconsin; Montana. Industry labels on the parent rollup: Nonmetallic Mineral Product. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Largest Form R sites under this parent: Graymont Western U.S. Inc Cricket Mtn Lime Production; Western Lime Eden Facility - Lime Production; Graymont Western US Inc Indian Creek Lime Production; Graymont Western US Inc Pilot Peak Lime Production. Neighbor parents on the disclosure ladder: Clean Harbors Inc; The Renco Group Inc. Largest disclosed chemicals by pounds: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Lead And Lead Compounds; Ammonia; Methanol; Manganese And Manganese Compounds. Heaviest-reporting states in this extract: Utah; Wisconsin; Montana. Industry labels on the parent rollup: Nonmetallic Mineral Product.
Graymont Ltd ranks #568 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Graymont Ltd files across 4 states, a regional parent portfolio rather than a single-state discloser. Graymont Ltd's disclosed pounds are spread across 4 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Graymont Ltd follows facility-reported names. Compare the named neighbors (Clean Harbors Inc; The Renco Group Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Graymont Ltd sits among TRI parents
Graymont Ltd sits on a disclosure ladder beside Clean Harbors Inc and The Renco Group Inc. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Clean Harbors Inc · rank #566 · 45.7M lbs
- The Renco Group Inc · rank #567 · 27.6M lbs
Largest chemicals disclosed by Graymont Ltd
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Lead And Lead Compounds; Ammonia; Methanol; Manganese And Manganese Compounds lead the Form R pound rollup for this parent, including filings such as Graymont Western U.S. Inc Cricket Mtn Lime Production. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 515.0K lbs |
| Lead And Lead Compounds | 444.9K lbs |
| Ammonia | 213.0K lbs |
| Methanol | 32.0K lbs |
| Manganese And Manganese Compounds | 26.1K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Utah | 1 | 478.4K lbs |
| Wisconsin | 1 | 326.0K lbs |
| Montana | 1 | 319.1K lbs |
| Nevada | 1 | 109.0K lbs |
Facilities (4)
| Facility | Releases |
|---|---|
| Graymont Western U.S. Inc Cricket Mtn Lime Production Delta, UT | 478.4K lbs |
| Western Lime Eden Facility - Lime Production Eden, WI | 326.0K lbs |
| Graymont Western US Inc Indian Creek Lime Production Townsend, MT | 319.1K lbs |
| Graymont Western US Inc Pilot Peak Lime Production West Wendover, NV | 109.0K 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 Graymont Ltd on total disclosed release pounds (1.2M lbs) and reporting facility count (4). Release-volume peers include Baker Hughes Holdings LLC, Nutrien, Shell Oil Products US. 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 Utah, Wisconsin, Montana; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Graymont Ltd's TRI parent record
From Graymont Ltd, open Graymont Western U.S. Inc Cricket Mtn Lime Production or compare against Clean Harbors Inc rather than reading rank alone.
- Open the largest Form R site for Graymont Ltd (Graymont Western U.S. Inc Cricket Mtn Lime Production in UT). Largest facility
- Compare against The Renco Group Inc, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Graymont Ltd sits among all slug-merged TRI parents. All parent companies
Rank and peers (Clean Harbors Inc, The Renco Group Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Graymont Ltd'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.