EPA TRI Facility · Primary Metals
Northwest Pipe Co
Washington, WV
- Total releases
- 10.2K lbs
- Chemicals reported
- 2
- Latest report
- 2023
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Northwest Pipe Co: how the 10.2K lbs splits
10.2K lbs across all reported pathways
- Off-site Transfers 10.1K lbs 98.8%
- Water Discharges 100 lbs 1.0%
- Air Releases 26 lbs 0.3%
- Land Disposal 0 lbs <0.1%
Northwest Pipe Co's 10.2K lbs Form-R total is OFFSITE - off-site transfers is 98.8% of the bar. Next segment: water discharges at 1.0%. Leading chemical by pounds: Manganese.
LIGHT volume OFFSITE pathway CLEAN
Northwest Pipe Co is an EPA Toxics Release Inventory reporter in Washington, WV, in the primary metals sector. It reported 1.9K lbs of releases across 2 chemicals in 2023, and 10.2K lbs in total across its 2019-2023 reporting years. That ranks 9,782 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In West Virginia's 182 reporting TRI sites, pounds #1 is not chemical-count #1. Northwest Pipe Co is pounds #101 and chemical-count #123 at 10.2K lbs. Harrison Power Station leads reported pounds (32.5M lbs) at 29 chemicals (chemical-count #2). Mount Storm Power Station leads chemical count at 31 chemicals (5.6M lbs, pounds #7). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Chemours Washington Works; Delrin USA LLC; Kuraray America Inc-Washington Wv; Celanese Polymer Products LLC. Similar-scale Primary Metals peers outside West Virginia: Southwire Co Heflin Plant; Gibbs Die Casting Corp; Most Inc; Casting Solutions Llc.. Largest disclosed chemicals by pounds: Manganese; Diisocyanates.
Northwest Pipe Co stamps LIGHT volume with a dominant OFFSITE pathway (98.8% off-site transfers) across 2 chemicals. Cumulative Form-R extract: 10.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Southwire Co Heflin Plant and Gibbs Die Casting Corp.
Northwest Pipe Co vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
10K lbs Top 38% higher than 62% 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
Northwest Pipe Co: Manganese-led volume
Among the 1,603 Primary Metals facilities in this database, Northwest Pipe Co reports the 738th-largest volume (10.2K lbs). Its reported volume is concentrated rather than spread: Manganese alone is 100% of the total. Scale peers outside West Virginia include Southwire Co Heflin Plant and Gibbs Die Casting Corp.
Concentrated means ≥60% of Northwest Pipe Co's pounds in one chemical - here Manganese at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Northwest Pipe Co's total reported releases rose from 1.6 thousand lb in 2022 to 1.9 thousand lb in 2023, based on EPA TRI filings.
- Northwest Pipe Co's off-site transfers rose from 1.6 thousand lb in 2022 to 1.8 thousand lb in 2023, based on EPA TRI filings.
Northwest Pipe Co Form-R facts
Compare this facility
See how Northwest Pipe Co stacks up against nearby facilities and the typical reporter.
100% less than the comparison
93% less 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 Northwest Pipe Co releases toxic chemicals into the environment. Total: 10.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 60% (4.7K lbs to 1.9K lbs).
Northwest Pipe Co: 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 Northwest Pipe Co year-over-year reported totals (decreased by 60% 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: Manganese.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 4.7K lbs | 2 |
| 2020 | 2.0K lbs | 2 |
| 2021 | 0 lbs | 1 |
| 2022 | 1.6K lbs | 2 |
| 2023 | 1.9K lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Manganese | 10.2K lbs | - |
| Diisocyanates | 0 lbs | - |
Northwest Pipe Co · OFFSITE-pathway site
Nearest TRI Facilities to Northwest Pipe Co
Closest other reporters in West Virginia - including Chemours Washington Works, Delrin USA LLC, Kuraray America Inc-Washington Wv, ordered by distance.
Showing 8 of 181 other reporting facilities in West Virginia.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside West Virginia - e.g. Southwire Co Heflin Plant, Gibbs Die Casting Corp, Most Inc.
Compare beyond West Virginia
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Northwest Pipe Co on cumulative reported pounds (10.2K lbs) and distinct chemical count (2). Release-pound peers include Badger Meter Inc, Greif Industrial Packaging & Services LLC, Tarkett USA DBA Johnsonite Rubber Flooring. Chemical-count peers include Idi Caribe Inc, Suiza Dairy Corp, Edwards Lifesciences Technology Sarl. 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.
- Badger Meter Inc Milwaukee, WI · Computers and Electronic Products 10.2K lbs reported
- Greif Industrial Packaging & Services LLC Fontana, CA · Fabricated Metals 10.2K lbs reported
- Tarkett USA DBA Johnsonite Rubber Flooring Middlefield, OH · Plastics and Rubber 10.2K lbs reported
- Northville Industries Corp. - Setauket Terminal East Setauket, NY · Petroleum Bulk Terminals 10.2K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
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 Manganese, Diisocyanates; nearby reporters include Chemours Washington Works. Northwest Pipe Co stamps LIGHT volume · OFFSITE pathway · CLEAN 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 Northwest Pipe Co TRI extract (LIGHT · OFFSITE · CLEAN · lead Manganese) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Northwest Pipe Co totals are self-reported EPCRA §313 estimates for Washington, WV, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331210 · Primary Metals. 0.2% of Wood TRI pounds in this extract. Nearest ABS peer: Badger Meter Inc (Δ 11 lbs). Pounds ≠ exposure.
Northwest Pipe Co stamps LIGHT volume · OFFSITE pathway · CLEAN · lead Manganese. 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