EPA TRI Facility · Primary Metals
Northwest Pipe Co
Adelanto, CA · Parent: Northwest Pipe Co
- Total releases
- 26.4K lbs
- Chemicals reported
- 3
- Latest report
- 2023
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Northwest Pipe Co: how the 26.4K lbs splits
26.4K lbs across all reported pathways
- Off-site Transfers 26.3K lbs 99.7%
- Air Releases 76 lbs 0.3%
Northwest Pipe Co's 26.4K lbs Form-R total is OFFSITE - off-site transfers is 99.7% of the bar. Next segment: air releases at 0.3%. Leading chemical by pounds: Manganese.
LIGHT volume OFFSITE pathway CLEAN
Northwest Pipe Co is an EPA Toxics Release Inventory reporter in Adelanto, CA, in the primary metals sector. It reported 1.7K lbs of releases across 2 chemicals in 2023, and 26.4K lbs in total across its 2019-2023 reporting years. That ranks 7,604 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. Northwest Pipe Co is pounds #282 and chemical-count #412 at 26.4K lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Adelanto Plant 19; Holliday Rock Co - Adelanto; Federal Correctional Complex Victorville; Daniel Mechanical LLC. Similar-scale Primary Metals peers outside California: Hubbell Power Systems Leeds; Brp US Inc; Central Wire Inc; Bailsco Blades & Castings Inc.. Other Northwest Pipe Co sites in this extract: Northwest Pipe Co; Northwest Pipe Co; Northwest Pipe Co; Permalok-A Northwest Pipe Co. Largest disclosed chemicals by pounds: Manganese; Diisocyanates; Anthracene.
Compare Northwest Pipe Co with
Nearest reporters in California
- Adelanto Plant 19 Adelanto · 37 lbs
- Holliday Rock Co - Adelanto Adelanto · 0 lbs
- Federal Correctional Complex Victorville Victorville · 8.7K lbs
- Daniel Mechanical LLC Adelanto · 133.7K lbs
Similar-scale Primary Metals sites elsewhere: Hubbell Power Systems Leeds (AL) · Brp US Inc (NC) · Central Wire Inc (WI)
Northwest Pipe Co stamps LIGHT volume with a dominant OFFSITE pathway (99.7% off-site transfers) across 3 chemicals. Cumulative Form-R extract: 26.4K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Hubbell Power Systems Leeds and Brp US Inc.
Northwest Pipe Co vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
26K lbs Top 29% higher than 71% 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 597th-largest volume (26.4K lbs). Its reported volume is concentrated rather than spread: Manganese alone is 100% of the total. Scale peers outside California include Hubbell Power Systems Leeds and Brp US Inc.
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 fell from 2.6 thousand lb in 2022 to 1.7 thousand lb in 2023, based on EPA TRI filings.
- Northwest Pipe Co's off-site transfers fell from 2.6 thousand lb in 2022 to 1.7 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.
722.4× more than the comparison
3.0× 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 Northwest Pipe Co releases toxic chemicals into the environment. Total: 26.4K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 67% (5.2K lbs to 1.7K 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 67% 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 | 5.2K lbs | 2 |
| 2020 | 14.6K lbs | 3 |
| 2021 | 2.4K lbs | 2 |
| 2022 | 2.6K lbs | 2 |
| 2023 | 1.7K lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Manganese | 26.4K lbs | - |
| Diisocyanates | 0 lbs | - |
| Anthracene | 0 lbs | - |
Northwest Pipe Co · OFFSITE-pathway site
Nearest TRI Facilities to Northwest Pipe Co
Closest other reporters in California - including Adelanto Plant 19, Holliday Rock Co - Adelanto, Federal Correctional Complex Victorville, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside California - e.g. Hubbell Power Systems Leeds, Brp US Inc, Central Wire Inc.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Northwest Pipe Co on cumulative reported pounds (26.4K lbs) and distinct chemical count (3). Release-pound peers include Basf Corp, Aluminum Coil Anodizing Corp, Western Quality Foods LLC. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International Inc. 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Northwest Pipe Co Facilities
Same-parent TRI sites ranked by reported releases - including Northwest Pipe Co, Northwest Pipe Co, Northwest Pipe Co.
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, Anthracene; nearby reporters include Adelanto Plant 19. 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 Adelanto, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331210 · Primary Metals. 0.4% of San Bernardino TRI pounds in this extract. Nearest ABS peer: Ampine: a Div of Timber Products (Δ 1 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