Otter Tail Corp
7 facilities · 5 states · 6.6M lbs total releases
According to the EPA Toxics Release Inventory, Otter Tail Corp is the reported parent of 7 Form R facilities across 5 states, disclosing 6.6M lbs of toxic releases. 4 of 38 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is North Dakota (4.1M lbs). Those TRI figures remain self-reported disclosure pounds for Otter Tail Corp, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Otter Tail Corp: EPA TRI 2023 reporting year
Same facilities, both years
+9.5%
6 facilities that filed in 2022 and 2023
Whole inventory
+9.5%
1.3 million lb → 1.4 million lb, every facility that filed
- Otter Tail Corp's total reported releases rose from 1.3 million lb in 2022 to 1.4 million lb in 2023, based on EPA TRI filings.
- Otter Tail Corp's water releases rose from 465 lb in 2022 to 786 lb in 2023, based on EPA TRI filings.
- Otter Tail Corp's off-site transfers rose from 48.5 thousand lb in 2022 to 70.1 thousand lb in 2023, based on EPA TRI filings.
- Otter Tail Corp's chemicals reported rose from 16 in 2022 to 19 in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Otter Tail Corp from filing to facility
Largest Form R sites under this parent: Otter Tail Power Co Coyote Station; Otter Tail Power Co Big Stone Plant; Otter Tail Power Co Hoot Lake Plant; Btd Manufacturing Inc.. Neighbor parents on the disclosure ladder: Basin Electric; Minnkota Power Cooperative Inc; Basin Electric Power Cooperative; Archer Daniels Midland Co. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Manganese compounds; Vanadium compounds; Chromium compounds (except for chromite ore mined in the Transvaal Region); Zinc compounds. Heaviest-reporting states in this extract: North Dakota; South Dakota; Minnesota. Industry labels on the parent rollup: Electric Utilities; 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
Largest Form R sites under this parent: Otter Tail Power Co Coyote Station; Otter Tail Power Co Big Stone Plant; Otter Tail Power Co Hoot Lake Plant; Btd Manufacturing Inc.. Neighbor parents on the disclosure ladder: Basin Electric; Minnkota Power Cooperative Inc; Basin Electric Power Cooperative; Archer Daniels Midland Co. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Manganese compounds; Vanadium compounds; Chromium compounds (except for chromite ore mined in the Transvaal Region); Zinc compounds. Heaviest-reporting states in this extract: North Dakota; South Dakota; Minnesota. Industry labels on the parent rollup: Electric Utilities; Fabricated Metals.
Otter Tail Corp ranks #216 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Otter Tail Corp files across 5 states, a regional parent portfolio rather than a single-state discloser. Otter Tail Corp's disclosed pounds are spread across 7 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Otter Tail Corp follows facility-reported names. Compare the named neighbors (Basin Electric; Minnkota Power Cooperative Inc; Basin Electric Power Cooperative) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Otter Tail Corp sits among TRI parents
Otter Tail Corp sits on a disclosure ladder beside Basin Electric and Minnkota Power Cooperative Inc and Basin Electric Power Cooperative and Archer Daniels Midland Co. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Basin Electric · rank #214 · 167.8M lbs
- Minnkota Power Cooperative Inc · rank #215 · 27.5M lbs
Lower disclosed volume
- Basin Electric Power Cooperative · rank #217 · 5.6M lbs
- Archer Daniels Midland Co · rank #218 · 4.0M lbs
Largest chemicals disclosed by Otter Tail Corp
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Manganese compounds; Vanadium compounds; Chromium compounds (except for chromite ore mined in the Transvaal Region); Zinc compounds lead the Form R pound rollup for this parent, including filings such as Otter Tail Power Co Coyote Station. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 5.2M lbs |
| Manganese compounds | 781.4K lbs |
| Vanadium compounds | 138.4K lbs |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 90.5K lbs |
| Zinc compounds | 57.6K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| North Dakota | 1 | 4.1M lbs |
| South Dakota | 1 | 2.2M lbs |
| Minnesota | 3 | 208.1K lbs |
| Georgia | 1 | 1.9K lbs |
| Illinois | 1 | 41 lbs |
Facilities (7)
| Facility | Releases |
|---|---|
| Otter Tail Power Co Coyote Station Beulah, ND | 4.1M lbs |
| Otter Tail Power Co Big Stone Plant Big Stone City, SD | 2.2M lbs |
| Otter Tail Power Co Hoot Lake Plant Fergus Falls, MN | 207.9K lbs |
| Btd Manufacturing Inc. Dawsonville, GA | 1.9K lbs |
| Btd Manufacturing Inc Detroit Lakes, MN | 171 lbs |
| Btd Manufacturing Inc. Washington, IL | 41 lbs |
| Btd Manufacturing Inc. Lakeville, MN | 0 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 Otter Tail Corp on total disclosed release pounds (6.6M lbs) and reporting facility count (7). Release-volume peers include Crh Americas Inc, Delek US Holdings Inc, Hawaiian Electric Industries Inc. Facility-count peers include A O Smith Corp, Ahf Products LLC, Aisin Holdings of America. 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 North Dakota, South Dakota, Minnesota; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Otter Tail Corp's TRI parent record
From Otter Tail Corp, open Otter Tail Power Co Coyote Station or compare against Basin Electric rather than reading rank alone.
- Open the largest Form R site for Otter Tail Corp (Otter Tail Power Co Coyote Station in ND). Largest facility
- Compare against Minnkota Power Cooperative Inc, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Otter Tail Corp sits among all slug-merged TRI parents. All parent companies
Rank and peers (Basin Electric, Minnkota Power Cooperative Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Otter Tail 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.