EPA TRI Facility · Transportation Equipment
Stemco LP
Longview, TX · Parent: Enpro Industries Inc
- Total releases
- 14.8K lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Stemco LP: how the 14.8K lbs splits
14.8K lbs across all reported pathways
- Off-site Transfers 14.7K lbs 99.7%
- Water Discharges 50 lbs 0.3%
Stemco LP's 14.8K lbs Form-R total is OFFSITE - off-site transfers is 99.7% of the bar. Next segment: water discharges at 0.3%. Leading chemical by pounds: Zinc compounds.
LIGHT volume OFFSITE pathway CLEAN
Stemco LP is an EPA Toxics Release Inventory reporter in Longview, TX, in the transportation equipment sector. It reported 4.3K lbs of releases across 1 chemical in 2023, and 14.8K lbs in total across its 2019-2023 reporting years. That ranks 8,936 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Texas's 2,016 reporting TRI sites, pounds #1 is not chemical-count #1. Stemco LP is pounds #867 and chemical-count #1589 at 14.8K lbs. Ascend Performance Materials-Chocolate Bayou Plant leads reported pounds (94.0M lbs) at 36 chemicals (chemical-count #35). Veolia Es Technical Solutions LLC Port Arthur Facility leads chemical count at 246 chemicals (1.5M lbs, pounds #112). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Gillespie Coatings Inc.; Crosby Longview; Trinity Tank Car Inc. Plt 19; Txi-Longview East Ready Mix. Similar-scale Transportation Equipment peers outside Texas: Pcc Airfoils LLC; Mahle Engine Components USA Inc; Yellowfin Yachts LLC; Ford Motor Co - Livonia Transmission Plant. Other Enpro Industries Inc sites in this extract: Garlock Sealing Technologies; Csl Operating LLC; Advanced Micro Instruments Inc. Largest disclosed chemicals by pounds: Zinc compounds.
Stemco LP stamps LIGHT volume with a dominant OFFSITE pathway (99.7% off-site transfers) across 1 chemical. Cumulative Form-R extract: 14.8K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Pcc Airfoils LLC and Mahle Engine Components USA Inc.
Stemco LP vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
15K lbs Top 34% higher than 66% 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
Stemco LP: Zinc compounds-led volume
Among the 1,603 Transportation Equipment facilities in this database, Stemco LP reports the 572nd-largest volume (14.8K lbs). Its reported volume is concentrated rather than spread: Zinc compounds alone is 100% of the total. Scale peers outside Texas include Pcc Airfoils LLC and Mahle Engine Components USA Inc.
Concentrated means ≥60% of Stemco LP's pounds in one chemical - here Zinc compounds at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Stemco LP's total reported releases rose from 3.6 thousand lb in 2022 to 4.3 thousand lb in 2023, based on EPA TRI filings.
- Stemco LP's off-site transfers rose from 3.6 thousand lb in 2022 to 4.3 thousand lb in 2023, based on EPA TRI filings.
Stemco LP Form-R facts
Compare this facility
See how Stemco LP stacks up against nearby facilities and the typical reporter.
84% less than the comparison
75% 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 Stemco LP releases toxic chemicals into the environment. Total: 14.8K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 231% (1.3K lbs to 4.3K lbs).
Stemco LP: 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 Stemco LP year-over-year reported totals (increased by 231% 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: Zinc compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1.3K lbs | 1 |
| 2020 | 1.2K lbs | 1 |
| 2021 | 4.3K lbs | 1 |
| 2022 | 3.6K lbs | 1 |
| 2023 | 4.3K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Zinc compounds | 14.8K lbs | - |
Stemco LP · OFFSITE-pathway site
Nearest TRI Facilities to Stemco LP
Closest other reporters in Texas - including Gillespie Coatings Inc., Crosby Longview, Trinity Tank Car Inc. Plt 19, ordered by distance.
Showing 8 of 2,015 other reporting facilities in Texas.
Similar Transportation Equipment Facilities
Other Transportation Equipment facilities with similar total release volumes (±80%), outside Texas - e.g. Pcc Airfoils LLC, Mahle Engine Components USA Inc, Yellowfin Yachts LLC.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Stemco LP on cumulative reported pounds (14.8K lbs) and distinct chemical count (1). Release-pound peers include Archer Forest Products LLC, Chemical & Metal Industries Inc, Vibracoustic USA Inc. Carmi Mixing Div. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico LLC. 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.
- Archer Forest Products LLC Nahunta, GA · Wood Products 14.8K lbs reported
- Chemical & Metal Industries Inc Hudson, CO · Chemicals 14.8K lbs reported
- Vibracoustic USA Inc. Carmi Mixing Div Carmi, IL · Plastics and Rubber 14.8K lbs reported
- Roggen Plant Roggen, CO · Natural Gas Processing 14.8K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Enpro Industries Inc Facilities
Same-parent TRI sites ranked by reported releases - including Garlock Sealing Technologies, Csl Operating LLC, Advanced Micro Instruments Inc.
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 Zinc compounds; nearby reporters include Gillespie Coatings Inc.. Stemco LP 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 Stemco LP TRI extract (LIGHT · OFFSITE · CLEAN · lead Zinc compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Stemco LP totals are self-reported EPCRA §313 estimates for Longview, TX, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 336390 · Transportation Equipment. 0.1% of Harrison TRI pounds in this extract. Nearest ABS peer: Archer Forest Products LLC (Δ 5 lbs). Pounds ≠ exposure.
Stemco LP stamps LIGHT volume · OFFSITE pathway · CLEAN · lead Zinc compounds. 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