Nibco Inc
4 facilities · 4 states · 553.1K lbs total releases
According to the EPA Toxics Release Inventory, Nibco Inc is the reported parent of 4 Form R facilities across 4 states, disclosing 553.1K lbs of toxic releases. 3 of 20 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Wisconsin (276.3K lbs). Those TRI figures remain self-reported disclosure pounds for Nibco Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Nibco Inc: EPA TRI 2023 reporting year
Same facilities, both years
+66.8%
4 facilities that filed in 2022 and 2023
Whole inventory
+66.8%
82.4 thousand lb → 137.5 thousand lb, every facility that filed
- Nibco Inc's total reported releases rose from 82.4 thousand lb in 2022 to 137.5 thousand lb in 2023, based on EPA TRI filings.
- Nibco Inc's off-site transfers rose from 45.7 thousand lb in 2022 to 101.5 thousand lb in 2023, based on EPA TRI filings.
- Nibco Inc's air releases fell from 36.5 thousand lb in 2022 to 35.8 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Nibco Inc from filing to facility
Largest Form R sites under this parent: Milwaukee Valve Co LLC; Nibco of Virginia Inc.; Nibco Inc Blytheville Div; Nibco Inc Nacogdoches Plant. Neighbor parents on the disclosure ladder: Foremost Farms USA Cooperative; Wec Energy Group. Largest disclosed chemicals by pounds: Copper; Chromium; Xylene (mixed isomers); Zinc compounds; Lead And Lead Compounds. Heaviest-reporting states in this extract: Wisconsin; Virginia; Arkansas. Industry labels on the parent rollup: Fabricated Metals; Primary Metals. 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: Milwaukee Valve Co LLC; Nibco of Virginia Inc.; Nibco Inc Blytheville Div; Nibco Inc Nacogdoches Plant. Neighbor parents on the disclosure ladder: Foremost Farms USA Cooperative; Wec Energy Group. Largest disclosed chemicals by pounds: Copper; Chromium; Xylene (mixed isomers); Zinc compounds; Lead And Lead Compounds. Heaviest-reporting states in this extract: Wisconsin; Virginia; Arkansas. Industry labels on the parent rollup: Fabricated Metals; Primary Metals.
Nibco Inc ranks #869 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Nibco Inc files across 4 states, a regional parent portfolio rather than a single-state discloser. Nibco Inc's disclosed pounds are spread across 4 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Nibco Inc follows facility-reported names. Compare the named neighbors (Foremost Farms USA Cooperative; Wec Energy Group) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Nibco Inc sits among TRI parents
Nibco Inc sits on a disclosure ladder beside Foremost Farms USA Cooperative and Wec Energy Group. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Foremost Farms USA Cooperative · rank #867 · 11.6M lbs
- Wec Energy Group · rank #868 · 7.5M lbs
Largest chemicals disclosed by Nibco Inc
Copper; Chromium; Xylene (mixed isomers); Zinc compounds; Lead And Lead Compounds lead the Form R pound rollup for this parent, including filings such as Milwaukee Valve Co LLC. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Copper | 280.3K lbs |
| Chromium | 124.3K lbs |
| Xylene (mixed isomers) | 66.6K lbs |
| Zinc compounds | 59.6K lbs |
| Lead And Lead Compounds | 5.7K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Wisconsin | 1 | 276.3K lbs |
| Virginia | 1 | 204.6K lbs |
| Arkansas | 1 | 66.6K lbs |
| Texas | 1 | 5.7K lbs |
Facilities (4)
| Facility | Releases |
|---|---|
| Milwaukee Valve Co LLC Prairie Du Sac, WI | 276.3K lbs |
| Nibco of Virginia Inc. Stuarts Draft, VA | 204.6K lbs |
| Nibco Inc Blytheville Div Blytheville, AR | 66.6K lbs |
| Nibco Inc Nacogdoches Plant Nacogdoches, TX | 5.7K 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 Nibco Inc on total disclosed release pounds (553.1K lbs) and reporting facility count (4). Release-volume peers include Reynolds American Inc, Worthington Enterprises Inc, Mueller Industries Inc. Facility-count peers include A Stucki Holding Corp, Advanced Heat Treat Corp, Alleima USA 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 Wisconsin, Virginia, Arkansas; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Nibco Inc's TRI parent record
From Nibco Inc, open Milwaukee Valve Co LLC or compare against Foremost Farms USA Cooperative rather than reading rank alone.
- Open the largest Form R site for Nibco Inc (Milwaukee Valve Co LLC in WI). Largest facility
- Compare against Wec Energy Group, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Nibco Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Foremost Farms USA Cooperative, Wec Energy Group) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Nibco 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.