Parker Hannifin Corp
72 facilities · 30 states · 3.1M lbs total releases
According to the EPA Toxics Release Inventory, Parker Hannifin Corp is the reported parent of 72 Form R facilities across 30 states, disclosing 3.1M lbs of toxic releases. 13 of 217 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Alabama (1.1M lbs). Those TRI figures remain self-reported disclosure pounds for Parker Hannifin Corp, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Parker Hannifin Corp: EPA TRI 2023 reporting year
Same facilities, both years
-25.4%
60 facilities that filed in 2022 and 2023
Whole inventory
-26.2%
527.1 thousand lb → 388.8 thousand lb, every facility that filed
Between the two reporting years, 2 facilities filed for the first time and 2 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Parker Hannifin Corp's total reported releases fell from 521.4 thousand lb in 2022 to 388.8 thousand lb in 2023, based on EPA TRI filings.
- Parker Hannifin Corp's water releases rose from 26 lb in 2022 to 41 lb in 2023, based on EPA TRI filings.
- Parker Hannifin Corp's off-site transfers fell from 434.5 thousand lb in 2022 to 316.3 thousand lb in 2023, based on EPA TRI filings.
- Parker Hannifin Corp's air releases fell from 86.8 thousand lb in 2022 to 72.4 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Parker Hannifin Corp from filing to facility
Largest Form R sites under this parent: Parker Hannifin Corp; Parker Hannifin Corp; Parker Lord Corp; Slater Fabric Filter-Bha Group Inc. Neighbor parents on the disclosure ladder: Waste Management Inc; Koch Inc.. Largest disclosed chemicals by pounds: Zinc compounds; Chromium; Nickel; Xylene (mixed isomers); Copper. Heaviest-reporting states in this extract: Alabama; Tennessee; Pennsylvania. Industry labels on the parent rollup: Fabricated Metals; Machinery; Plastics and Rubber; 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: Parker Hannifin Corp; Parker Hannifin Corp; Parker Lord Corp; Slater Fabric Filter-Bha Group Inc. Neighbor parents on the disclosure ladder: Waste Management Inc; Koch Inc.. Largest disclosed chemicals by pounds: Zinc compounds; Chromium; Nickel; Xylene (mixed isomers); Copper. Heaviest-reporting states in this extract: Alabama; Tennessee; Pennsylvania. Industry labels on the parent rollup: Fabricated Metals; Machinery; Plastics and Rubber; Chemicals.
Parker Hannifin Corp ranks #360 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Parker Hannifin Corp spans 30 states in this extract, placing it among the broader national TRI parent footprints. Parker Hannifin Corp's disclosed pounds are spread across 72 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Parker Hannifin Corp follows facility-reported names. Compare the named neighbors (Waste Management Inc; Koch Inc.) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Parker Hannifin Corp sits among TRI parents
Parker Hannifin Corp sits on a disclosure ladder beside Waste Management Inc and Koch Inc.. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Waste Management Inc · rank #358 · 95.6M lbs
- Koch Inc. · rank #359 · 45.8M lbs
Largest chemicals disclosed by Parker Hannifin Corp
Zinc compounds; Chromium; Nickel; Xylene (mixed isomers); Copper lead the Form R pound rollup for this parent, including filings such as Parker Hannifin Corp. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Zinc compounds | 938.3K lbs |
| Chromium | 642.5K lbs |
| Nickel | 515.2K lbs |
| Xylene (mixed isomers) | 135.3K lbs |
| Copper | 109.7K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Alabama | 3 | 1.1M lbs |
| Tennessee | 3 | 401.6K lbs |
| Pennsylvania | 5 | 370.8K lbs |
| Nebraska | 3 | 338.5K lbs |
| Missouri | 4 | 300.8K lbs |
| Indiana | 4 | 195.6K lbs |
| Arizona | 1 | 61.1K lbs |
| Iowa | 1 | 54.2K lbs |
| Washington | 3 | 47.9K lbs |
| Kansas | 1 | 41.7K lbs |
| Massachusetts | 1 | 26.7K lbs |
| California | 4 | 22.5K lbs |
| Mississippi | 2 | 17.9K lbs |
| Ohio | 7 | 13.1K lbs |
| Texas | 4 | 13.1K lbs |
| Michigan | 6 | 8.5K lbs |
| Arkansas | 1 | 7.2K lbs |
| Florida | 1 | 6.4K lbs |
| New York | 1 | 6.1K lbs |
| New Hampshire | 1 | 5.0K lbs |
| Wisconsin | 5 | 3.7K lbs |
| North Carolina | 1 | 2.0K lbs |
| Utah | 1 | 730 lbs |
| Connecticut | 1 | 676 lbs |
| Virginia | 1 | 455 lbs |
| Minnesota | 2 | 41 lbs |
| Illinois | 2 | 2 lbs |
| Oregon | 1 | 1 lbs |
| South Dakota | 1 | 0 lbs |
| Maine | 1 | 0 lbs |
Facilities (72)
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Parker Hannifin Corp on total disclosed release pounds (3.1M lbs) and reporting facility count (72). Release-volume peers include Mountaire Farms Inc, Teijin Automotive Technologies Inc, Ervin Industries Inc. Facility-count peers include Commercial Metals Co, Holcim Participations (us) Inc, Brenntag N.a. 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 Alabama, Tennessee, Pennsylvania; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Parker Hannifin Corp's TRI parent record
From Parker Hannifin Corp, open Parker Hannifin Corp or compare against Waste Management Inc rather than reading rank alone.
- Open the largest Form R site for Parker Hannifin Corp (Parker Hannifin Corp 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 Parker Hannifin Corp 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
Parker Hannifin Corp'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.