EPA TRI Facility · Fabricated Metals
National Oilwell Varco LP
Houma, LA · Parent: National Oilwell Varco LP
- Total releases
- 110 lbs
- Chemicals reported
- 4
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
National Oilwell Varco LP: how the 110 lbs splits
110 lbs across all reported pathways
- Air Releases 110 lbs 100.0%
National Oilwell Varco LP's 110 lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Nickel.
TRACE volume AIR pathway CARC-HEAVY
National Oilwell Varco LP is an EPA Toxics Release Inventory reporter in Houma, LA, in the fabricated metals sector. It reported 110 lbs of releases across 4 chemicals in 2023. That ranks 16,455 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Louisiana's 417 reporting TRI sites, pounds #1 is not chemical-count #1. National Oilwell Varco LP is pounds #365 and chemical-count #239 at 110 lbs. Bayer Cropscience LP leads reported pounds (81.9M lbs) at 17 chemicals (chemical-count #52). Eco-Services Operations leads chemical count at 68 chemicals (163.5K lbs, pounds #136). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Oil States Industries - Houma; Bollinger Houma Shipyards LLC; Laship LLC; Gulf Island Fabrication LLC. Similar-scale Fabricated Metals peers outside Louisiana: Winchester Interconnect Rf Corp; Dodge Industrial; Sioux City Foundry Co; Lincoln Industries of Minnesota Inc.. Other National Oilwell Varco LP sites in this extract: Nov Fiber Glass Systems - Containment Solutions; Nov Quality Tubing; Fiber Glass Systems LP; Lfm Giddings West. Largest disclosed chemicals by pounds: Nickel; Chromium; Copper; Manganese.
National Oilwell Varco LP stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 4 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 110 lbs (2023–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Winchester Interconnect Rf Corp and Dodge Industrial.
National Oilwell Varco LP vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
110 lbs 37th percentile higher than 37% 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
National Oilwell Varco LP in the Fabricated Metals sector extract
Among the 3,421 Fabricated Metals facilities in this database, National Oilwell Varco LP reports the 2,154th-largest volume (110 lbs). Scale peers outside Louisiana include Winchester Interconnect Rf Corp and Dodge Industrial.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
National Oilwell Varco LP Form-R facts
Compare this facility
See how National Oilwell Varco LP stacks up against nearby facilities and the typical reporter.
94% less than the comparison
2.0× 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 National Oilwell Varco LP releases toxic chemicals into the environment. Total: 110 lbs.
National Oilwell Varco LP · AIR-pathway site
Nearest TRI Facilities to National Oilwell Varco LP
Closest other reporters in Louisiana - including Oil States Industries - Houma, Bollinger Houma Shipyards LLC, Laship LLC, ordered by distance.
Showing 8 of 416 other reporting facilities in Louisiana.
Similar Fabricated Metals Facilities
Other Fabricated Metals facilities with similar total release volumes (±80%), outside Louisiana - e.g. Winchester Interconnect Rf Corp, Dodge Industrial, Sioux City Foundry Co.
Other National Oilwell Varco LP Facilities
Same-parent TRI sites ranked by reported releases - including Nov Fiber Glass Systems - Containment Solutions, Nov Quality Tubing, Fiber Glass Systems LP.
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 Nickel, Chromium, Copper, Manganese; nearby reporters include Oil States Industries - Houma. National Oilwell Varco LP stamps TRACE volume · AIR pathway · CARC-HEAVY 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 National Oilwell Varco LP TRI extract (TRACE · AIR · CARC-HEAVY · lead Nickel) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
National Oilwell Varco LP totals are self-reported EPCRA §313 estimates for Houma, LA, latest year 2023. NAICS 332710 · Fabricated Metals. 0.1% of Terrebonne Parish TRI pounds in this extract. Nearest ABS peer: Concrete Pipe & Precast LLC Chesapeake Plant (Δ 0 lbs). Pounds ≠ exposure.
National Oilwell Varco LP stamps TRACE volume · AIR pathway · CARC-HEAVY · lead Nickel. 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