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Kennametal Inc

15 facilities · 8 states · 6.6M lbs total releases

According to the EPA Toxics Release Inventory, Kennametal Inc is the reported parent of 15 Form R facilities across 8 states, disclosing 6.6M lbs of toxic releases. 7 of 34 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Alabama (6.5M lbs). Those TRI figures remain self-reported disclosure pounds for Kennametal Inc, including carcinogen-flagged substances, not a measured public-health risk score.

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Release-over-release change

What changed for Kennametal Inc: EPA TRI 2023 reporting year

2022 → 2023

Same facilities, both years

-11.5%

9 facilities that filed in 2022 and 2023

Whole inventory

-11.5%

1.3 million lb → 1.1 million lb, every facility that filed

Between the two reporting years, 1 facility filed for the first time and 1 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.

  • Kennametal Inc's total reported releases fell from 1.3 million lb in 2022 to 1.1 million lb in 2023, based on EPA TRI filings.
  • Kennametal Inc's land releases fell from 26.0 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
  • Kennametal Inc's water releases fell from 2.5 thousand lb in 2022 to 236 lb in 2023, based on EPA TRI filings.
  • Kennametal Inc's off-site transfers fell from 1.5 thousand lb in 2022 to 586 lb in 2023, based on EPA TRI filings.

TRI parent disclosure trail

Read Kennametal Inc from filing to facility

Largest Form R sites under this parent: Kennametal Inc DBA Kennametal Firth Sterling; Kennametal Inc (refinery); Kennametal Stellite; Kennametal Bedford Casting Plant. Neighbor parents on the disclosure ladder: Waste Management Inc; Koch Inc.; Indorama Ventures Public Co Ltd. Largest disclosed chemicals by pounds: Ammonia; Manganese; Manganese And Manganese Compounds; Cobalt; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). Heaviest-reporting states in this extract: Alabama; Nevada; Indiana. Industry labels on the parent rollup: Primary Metals; Machinery; Fabricated Metals. 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

Total Releases
6.6M lbs
Facilities
15
Chemicals
34
Carcinogens
7

Largest Form R sites under this parent: Kennametal Inc DBA Kennametal Firth Sterling; Kennametal Inc (refinery); Kennametal Stellite; Kennametal Bedford Casting Plant. Neighbor parents on the disclosure ladder: Waste Management Inc; Koch Inc.; Indorama Ventures Public Co Ltd. Largest disclosed chemicals by pounds: Ammonia; Manganese; Manganese And Manganese Compounds; Cobalt; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). Heaviest-reporting states in this extract: Alabama; Nevada; Indiana. Industry labels on the parent rollup: Primary Metals; Machinery; Fabricated Metals.

Kennametal Inc ranks #214 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Kennametal Inc spans 8 states in this extract, placing it among the broader national TRI parent footprints. Releases are facility-concentrated: Kennametal Inc DBA Kennametal Firth Sterling accounts for most of Kennametal Inc's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.

Parent aggregation for Kennametal Inc follows facility-reported names. Compare the named neighbors (Waste Management Inc; Koch Inc.; Indorama Ventures Public Co Ltd) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.

Where Kennametal Inc sits among TRI parents

Kennametal Inc sits on a disclosure ladder beside Waste Management Inc and Koch Inc. and Indorama Ventures Public Co Ltd. Open those parents for a different facility count, state span, and chemical mix.

Higher disclosed volume

Lower disclosed volume

Largest chemicals disclosed by Kennametal Inc

Ammonia; Manganese; Manganese And Manganese Compounds; Cobalt; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) lead the Form R pound rollup for this parent, including filings such as Kennametal Inc DBA Kennametal Firth Sterling. Pound totals, not toxicity-weighted risk.

Chemical Disclosed lbs
Ammonia 6.5M lbs
Manganese 54.5K lbs
Manganese And Manganese Compounds 26.0K lbs
Cobalt 9.0K lbs
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 7.1K lbs

Where does this company operate?

State Facilities Total Releases
Alabama 2 6.5M lbs
Nevada 2 88.9K lbs
Indiana 2 15.6K lbs
Pennsylvania 2 1.1K lbs
Arkansas 2 274 lbs
North Carolina 2 65 lbs
Ohio 2 49 lbs
Tennessee 1 11 lbs

Facilities (15)

Facility Releases
Kennametal Inc DBA Kennametal Firth Sterling Huntsville, AL 6.5M lbs
Kennametal Inc (refinery) Fallon, NV 88.9K lbs
Kennametal Stellite Goshen, IN 15.6K lbs
Kennametal Bedford Casting Plant Bedford, PA 1.1K lbs
Kennametal Inc.-Rogers Rogers, AR 274 lbs
Kennametal Inc DBA Kennametal Firth Sterling Gurley, AL 257 lbs
Kennametal Inc Henderson, NC 65 lbs
Kennametal Inc Orwell Plant Orwell, OH 45 lbs
Kennametal Inc Irwin, PA 22 lbs
Kennametal Inc Johnson City, TN 11 lbs
Kennametal Inc Solon, OH 4 lbs
Kennametal Inc. (town) Fallon, NV 0 lbs
Kennametal Conforma Clad New Albany, IN 0 lbs
Kennametal Inc.-Rogers Rogers, AR 0 lbs
Kennametal Inc Asheboro, NC 0 lbs

Frequently Asked Questions

How much pollution does Kennametal Inc release?
Kennametal Inc discloses 6.6M lbs across 15 facilities. On the ladder it sits near Waste Management Inc and Koch Inc.. Kennametal Inc ranks #214 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name.
How many facilities does Kennametal Inc operate?
Kennametal Inc maps to 15 facilities in Alabama, Nevada, Indiana, including Kennametal Inc DBA Kennametal Firth Sterling; Kennametal Inc (refinery); Kennametal Stellite; Kennametal Bedford Casting Plant. Releases are facility-concentrated: Kennametal Inc DBA Kennametal Firth Sterling accounts for most of Kennametal Inc's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
What industries and chemicals show up for Kennametal Inc?
Kennametal Inc's disclosed pounds span Primary Metals; Machinery; Fabricated Metals, with Primary Metals leading the parent total. Kennametal Inc's largest disclosed chemicals by pounds are Ammonia, Manganese, Manganese And Manganese Compounds, Cobalt, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) (carcinogen flags appear on at least one of those chemicals in the TRI extract). Neighbor parents: Waste Management Inc; Koch Inc.; Indorama Ventures Public Co Ltd.
Does Kennametal Inc release carcinogens?
Yes - 7 carcinogen-flagged substances appear in the extract. Largest by pounds include Ammonia; Manganese; Manganese And Manganese Compounds; Cobalt; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).

Compare beyond the release ladder

Nationwide peers by disclosed pounds & facility count

Cross-portfolio TRI parents nearest Kennametal Inc on total disclosed release pounds (6.6M lbs) and reporting facility count (15). Release-volume peers include Delek US Holdings Inc, Crh Americas Inc, Otter Tail Corp. Facility-count peers include Bae Systems Inc, Bridgestone Americas Inc, Clarios 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 Alabama, Nevada, Indiana; facility-reported names can vary across subsidiaries.

Source: U.S. Environmental Protection Agency, TRI Basic Data Files

What to do with Kennametal Inc's TRI parent record

From Kennametal Inc, open Kennametal Inc DBA Kennametal Firth Sterling or compare against Waste Management Inc rather than reading rank alone.

  • Open the largest Form R site for Kennametal Inc (Kennametal Inc DBA Kennametal Firth Sterling in AL). Largest facility
  • Compare against Koch Inc., the next-higher disclosed-volume parent. Higher-volume parent
  • Browse the full parent release ranking to see where Kennametal Inc sits among all slug-merged TRI parents. All parent companies

Rank and peers (Waste Management Inc, Koch Inc.) are disclosure volume only, not toxicity-weighted risk or enforcement status.

Use and verify this record

Kennametal 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

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.