EPA TRI Facility · Primary Metals
Clow Valve Co Foundry
Oskaloosa, IA · Parent: McWane Inc
- Total releases
- 45.7K lbs
- Chemicals reported
- 6
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Clow Valve Co Foundry: how the 45.7K lbs splits
45.7K lbs across all reported pathways
- Off-site Transfers 44.5K lbs 97.2%
- Air Releases 1.2K lbs 2.6%
- Water Discharges 85 lbs 0.2%
- Land Disposal 0 lbs <0.1%
Clow Valve Co Foundry's 45.7K lbs Form-R total is OFFSITE - off-site transfers is 97.2% of the bar. Next segment: air releases at 2.6%. Leading chemical by pounds: Copper.
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
LIGHT volume OFFSITE pathway CARC-LEAN
Clow Valve Co Foundry is an EPA Toxics Release Inventory reporter in Oskaloosa, IA, in the primary metals sector. It reported 8.2K lbs of releases across 5 chemicals in 2023, and 45.7K lbs in total across its 2019-2023 reporting years. That ranks 6,322 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Iowa's 460 reporting TRI sites, pounds #1 is not chemical-count #1. Clow Valve Co Foundry is pounds #180 and chemical-count #109 at 45.7K lbs. Climax Molybdenum Co leads reported pounds (16.4M lbs) at 5 chemicals (chemical-count #117). Helena Industries LLC leads chemical count at 32 chemicals (9.4K lbs, pounds #247). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Clow Valve Machine Shop; Wacker Chemical Corp; Ajinomoto Health & Nutrition N.a. Inc.; Cargill Corn Milling. Similar-scale Primary Metals peers outside Iowa: Osco Industries Inc Portsmouth Div; Renaissance Manufacturing Group Anniston LLC; Metalor Technologies USA Corp Refining Div; Rolls-Royce Naval Marine Inc. Other McWane Inc sites in this extract: McWane Ductile-Utah; McWane Ductile-New Jersey; McWane Ductile Ohio; Tyler Union. Largest disclosed chemicals by pounds: Copper; Manganese; Lead And Lead Compounds; Chromium.
Clow Valve Co Foundry stamps LIGHT volume with a dominant OFFSITE pathway (97.2% off-site transfers) across 6 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 45.7K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Osco Industries Inc Portsmouth Div and Renaissance Manufacturing Group Anniston LLC.
Clow Valve Co Foundry vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
46K lbs Top 24% higher than 76% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Clow Valve Co Foundry inside Mahaska's TRI pounds
Among the 1,603 Primary Metals facilities in this database, Clow Valve Co Foundry reports the 516th-largest volume (45.7K lbs). This one site accounts for 99.6% of every pound reported in Mahaska. Scale peers outside Iowa include Osco Industries Inc Portsmouth Div and Renaissance Manufacturing Group Anniston LLC.
County-dominant here means ≥25% of Mahaska's reported pounds (45.9K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Clow Valve Co Foundry's total reported releases fell from 9.5 thousand lb in 2022 to 8.2 thousand lb in 2023, based on EPA TRI filings.
- Clow Valve Co Foundry's air releases fell from 315 lb in 2022 to 148 lb in 2023, based on EPA TRI filings.
- Clow Valve Co Foundry's off-site transfers fell from 9.2 thousand lb in 2022 to 8.1 thousand lb in 2023, based on EPA TRI filings.
Clow Valve Co Foundry Form-R facts
Compare this facility
See how Clow Valve Co Foundry stacks up against nearby facilities and the typical reporter.
279.0× more than the comparison
20% more than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Clow Valve Co Foundry releases toxic chemicals into the environment. Total: 45.7K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 24% (10.9K lbs to 8.2K lbs).
Clow Valve Co Foundry: annual Form-R pounds
LIGHT site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Clow Valve Co Foundry year-over-year reported totals (decreased by 24% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Copper.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 10.9K lbs | 5 |
| 2020 | 7.6K lbs | 5 |
| 2021 | 9.4K lbs | 5 |
| 2022 | 9.5K lbs | 5 |
| 2023 | 8.2K lbs | 5 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 6 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Copper | 24.3K lbs | - |
| Manganese | 14.8K lbs | - |
| Lead And Lead Compounds | 3.2K lbs | - |
| Chromium | 1.6K lbs | - |
| Nickel | 1.5K lbs | Carcinogen |
| Lead compounds | 386 lbs | - |
Clow Valve Co Foundry · OFFSITE-pathway site
Nearest TRI Facilities to Clow Valve Co Foundry
Closest other reporters in Iowa - including Clow Valve Machine Shop, Wacker Chemical Corp, Ajinomoto Health & Nutrition N.a. Inc., ordered by distance.
Showing 8 of 459 other reporting facilities in Iowa.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Iowa - e.g. Osco Industries Inc Portsmouth Div, Renaissance Manufacturing Group Anniston LLC, Metalor Technologies USA Corp Refining Div.
Compare beyond Iowa
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Clow Valve Co Foundry on cumulative reported pounds (45.7K lbs) and distinct chemical count (6). Release-pound peers include Weidmann Electrical Technology Inc, Energizer Manufacturing - Portage Plant, Arkema Inc. Chemical-count peers include Eaton Intelligent Power Ltd, Leoni Wire Inc, Turf Care Supply-Hatfield Plant. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- Weidmann Electrical Technology Inc Saint Johnsbury, VT · Paper 45.7K lbs reported
- Energizer Manufacturing - Portage Plant Portage, WI · Electrical Equipment 45.7K lbs reported
- Arkema Inc Grand Rapids, MI · Chemicals 45.7K lbs reported
- Teledyne Battery Products Redlands, CA · Electrical Equipment 45.7K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other McWane Inc Facilities
Same-parent TRI sites ranked by reported releases - including McWane Ductile-Utah, McWane Ductile-New Jersey, McWane Ductile Ohio.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Copper, Manganese, Lead And Lead Compounds, Chromium; nearby reporters include Clow Valve Machine Shop. Clow Valve Co Foundry stamps LIGHT volume · OFFSITE pathway · CARC-LEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Clow Valve Co Foundry TRI extract (LIGHT · OFFSITE · CARC-LEAN · lead Copper) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Clow Valve Co Foundry totals are self-reported EPCRA §313 estimates for Oskaloosa, IA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331511 · Primary Metals. 99.6% of Mahaska TRI pounds in this extract. Nearest ABS peer: Weidmann Electrical Technology Inc (Δ 2 lbs). Pounds ≠ exposure.
Clow Valve Co Foundry stamps LIGHT volume · OFFSITE pathway · CARC-LEAN · lead Copper. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov