Kilgore Cos LLC
36 facilities · 6 states · 24.3K lbs total releases
According to the EPA Toxics Release Inventory, Kilgore Cos LLC is the reported parent of 36 Form R facilities across 6 states, disclosing 24.3K lbs of toxic releases. 2 of 73 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Utah (10.6K lbs). Those TRI figures remain self-reported disclosure pounds for Kilgore Cos LLC, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Kilgore Cos LLC: EPA TRI 2023 reporting year
Same facilities, both years
-65.6%
21 facilities that filed in 2022 and 2023
Whole inventory
-67.2%
7.0 thousand lb → 2.3 thousand lb, every facility that filed
Between the two reporting years, 2 facilities filed for the first time and 8 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Kilgore Cos LLC's total reported releases fell from 5.6 thousand lb in 2022 to 1.9 thousand lb in 2023, based on EPA TRI filings.
- Kilgore Cos LLC's land releases fell from 5.6 thousand lb in 2022 to 1.9 thousand lb in 2023, based on EPA TRI filings.
- Kilgore Cos LLC's chemicals reported fell from 6 in 2022 to 5 in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Kilgore Cos LLC from filing to facility
Largest Form R sites under this parent: Arizona Materials- 43RD Ave Batch Plant; North Salt Lake Batch Plant; Sierra North Batch Plant; American Fork Batch Plant. Neighbor parents on the disclosure ladder: Freeport-McMoran Inc; Americas Mining Corp. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Cyanide compounds; Lead; Polycyclic aromatic compounds; Mercury. Heaviest-reporting states in this extract: Utah; Arizona; Nevada. Industry labels on the parent rollup: Nonmetallic Mineral Product; Petroleum. 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: Arizona Materials- 43RD Ave Batch Plant; North Salt Lake Batch Plant; Sierra North Batch Plant; American Fork Batch Plant. Neighbor parents on the disclosure ladder: Freeport-McMoran Inc; Americas Mining Corp. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Cyanide compounds; Lead; Polycyclic aromatic compounds; Mercury. Heaviest-reporting states in this extract: Utah; Arizona; Nevada. Industry labels on the parent rollup: Nonmetallic Mineral Product; Petroleum.
Kilgore Cos LLC ranks #2,366 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Kilgore Cos LLC spans 6 states in this extract, placing it among the broader national TRI parent footprints. Kilgore Cos LLC's disclosed pounds are spread across 36 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Kilgore Cos LLC follows facility-reported names. Compare the named neighbors (Freeport-McMoran Inc; Americas Mining Corp) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Kilgore Cos LLC sits among TRI parents
Kilgore Cos LLC sits on a disclosure ladder beside Freeport-McMoran Inc and Americas Mining Corp. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Freeport-McMoran Inc · rank #2,364 · 200.0M lbs
- Americas Mining Corp · rank #2,365 · 89.8M lbs
Largest chemicals disclosed by Kilgore Cos LLC
Nitrate compounds (water dissociable; reportable only when in aqueous solution); Cyanide compounds; Lead; Polycyclic aromatic compounds; Mercury lead the Form R pound rollup for this parent, including filings such as Arizona Materials- 43RD Ave Batch Plant. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 22.9K lbs |
| Cyanide compounds | 793 lbs |
| Lead | 592 lbs |
| Polycyclic aromatic compounds | 60 lbs |
| Mercury | 1 lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Utah | 14 | 10.6K lbs |
| Arizona | 9 | 8.7K lbs |
| Nevada | 3 | 3.8K lbs |
| Colorado | 7 | 777 lbs |
| Idaho | 2 | 462 lbs |
| Wyoming | 1 | 2 lbs |
Facilities (36)
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Kilgore Cos LLC on total disclosed release pounds (24.3K lbs) and reporting facility count (36). Release-volume peers include The Coca-Cola Co, Miller Waste Mills, Armstrong Flooring Inc. Facility-count peers include Exxon Mobil Corp, Smyrna Ready Mix LLC, Hubbell Inc. 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, Arizona, Nevada; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Kilgore Cos LLC's TRI parent record
From Kilgore Cos LLC, open Arizona Materials- 43RD Ave Batch Plant or compare against Freeport-McMoran Inc rather than reading rank alone.
- Open the largest Form R site for Kilgore Cos LLC (Arizona Materials- 43RD Ave Batch Plant in AZ). Largest facility
- Compare against Americas Mining Corp, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Kilgore Cos LLC sits among all slug-merged TRI parents. All parent companies
Rank and peers (Freeport-McMoran Inc, Americas Mining Corp) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Kilgore Cos LLC'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.