Lamb Weston Inc
9 facilities · 3 states · 15.4M lbs total releases
According to the EPA Toxics Release Inventory, Lamb Weston Inc is the reported parent of 9 Form R facilities across 3 states, disclosing 15.4M lbs of toxic releases. 20 chemicals are reported; none carry a carcinogen classification in this extract. The heaviest-reporting state by release volume is Washington (13.6M lbs). Those TRI figures remain self-reported disclosure pounds across Lamb Weston Inc's multi-state Form R set, not a measured public-health risk score.
Release-over-release change
What changed for Lamb Weston Inc: EPA TRI 2023 reporting year
Same facilities, both years
+2.9%
6 facilities that filed in 2022 and 2023
Whole inventory
+5.1%
3.3 million lb → 3.5 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.
- Lamb Weston Inc's total reported releases rose from 3.3 million lb in 2022 to 3.4 million lb in 2023, based on EPA TRI filings.
- Lamb Weston Inc's off-site transfers rose from 238.5 thousand lb in 2022 to 404.2 thousand lb in 2023, based on EPA TRI filings.
- Lamb Weston Inc's land releases rose from 413.2 thousand lb in 2022 to 556.4 thousand lb in 2023, based on EPA TRI filings.
- Lamb Weston Inc's air releases fell from 88.4 thousand lb in 2022 to 75.8 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Lamb Weston Inc from filing to facility
Largest Form R sites under this parent: Lamb Weston Inc Richland Facility; Lamb Weston Inc.; Lamb Weston Inc; Lamb Weston Inc. Connell Plant. Neighbor parents on the disclosure ladder: Teck American Inc; Smurfit - Westrock U.S. Holding Co. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; Hydrogen sulfide; Nitric acid. Heaviest-reporting states in this extract: Washington; Oregon; Idaho. Industry labels on the parent rollup: Food. 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: Lamb Weston Inc Richland Facility; Lamb Weston Inc.; Lamb Weston Inc; Lamb Weston Inc. Connell Plant. Neighbor parents on the disclosure ladder: Teck American Inc; Smurfit - Westrock U.S. Holding Co. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; Hydrogen sulfide; Nitric acid. Heaviest-reporting states in this extract: Washington; Oregon; Idaho. Industry labels on the parent rollup: Food.
Lamb Weston Inc ranks #110 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Lamb Weston Inc files across 3 states, a regional parent portfolio rather than a single-state discloser. Releases are facility-concentrated: Lamb Weston Inc Richland Facility accounts for most of Lamb Weston Inc's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Lamb Weston Inc follows facility-reported names. Compare the named neighbors (Teck American Inc; Smurfit - Westrock U.S. Holding Co) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Lamb Weston Inc sits among TRI parents
Lamb Weston Inc sits on a disclosure ladder beside Teck American Inc and Smurfit - Westrock U.S. Holding Co. Open those parents for a different facility count, state span, and chemical mix.
Lower disclosed volume
- Teck American Inc · rank #111 · 6.0M lbs
- Smurfit - Westrock U.S. Holding Co · rank #112 · 5.7M lbs
Largest chemicals disclosed by Lamb Weston Inc
Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; Hydrogen sulfide; Nitric acid lead the Form R pound rollup for this parent, including filings such as Lamb Weston Inc Richland Facility. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 14.7M lbs |
| Ammonia | 642.5K lbs |
| Hydrogen sulfide | 63.6K lbs |
| Nitric acid | 20 lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Washington | 5 | 13.6M lbs |
| Oregon | 2 | 1.4M lbs |
| Idaho | 2 | 303.0K lbs |
Facilities (9)
| Facility | Releases |
|---|---|
| Lamb Weston Inc Richland Facility Richland, WA | 13.1M lbs |
| Lamb Weston Inc. Hermiston, OR | 1.4M lbs |
| Lamb Weston Inc American Falls, ID | 212.3K lbs |
| Lamb Weston Inc. Connell Plant Connell, WA | 205.4K lbs |
| Lamb Weston Inc. - Paterson Plant Paterson, WA | 187.1K lbs |
| Lamb Weston Inc Pasco Plant Pasco, WA | 136.0K lbs |
| Lamb Weston Inc Twin Falls, ID | 90.8K lbs |
| Lamb Weston Inc. Boardman, OR | 88.1K lbs |
| Lamb Weston Inc Quincy, WA | 4.3K lbs |
Frequently Asked Questions
How much pollution does Lamb Weston Inc release?
How many facilities does Lamb Weston Inc operate?
What industries and chemicals show up for Lamb Weston Inc?
Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Lamb Weston Inc on total disclosed release pounds (15.4M lbs) and reporting facility count (9). Release-volume peers include The Mosaic Co, Lsb Industries Inc, Enersys. Facility-count peers include Akzo Nobel Inc, Allied Aviation Holding Co, American Honda Motor Co 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 Washington, Oregon, Idaho; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Lamb Weston Inc's TRI parent record
From Lamb Weston Inc, open Lamb Weston Inc Richland Facility or compare against Teck American Inc rather than reading rank alone.
- Open the largest Form R site for Lamb Weston Inc (Lamb Weston Inc Richland Facility in WA). Largest facility
- Compare against Teck American Inc, the next-lower disclosed-volume parent. Lower-volume parent
- Browse the full parent release ranking to see where Lamb Weston Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Teck American Inc, Smurfit - Westrock U.S. Holding Co) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Lamb Weston 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.