EPA TRI Facility · Machinery
Nov Downhole Conroe
Conroe, TX · Parent: National Oilwell Varco LP
- Total releases
- 26.2K lbs
- Chemicals reported
- 6
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
MIXED Form-R mix
Nov Downhole Conroe: how the 26.2K lbs splits
26.2K lbs across all reported pathways
- Off-site Transfers 15.1K lbs 57.6%
- Air Releases 11.1K lbs 42.4%
Nov Downhole Conroe's 26.2K lbs Form-R total is MIXED - off-site transfers is 57.6% of the bar. Next segment: air releases at 42.4%. Leading chemical by pounds: Nickel.
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 MIXED pathway CARC-HEAVY
Nov Downhole Conroe is an EPA Toxics Release Inventory reporter in Conroe, TX, in the machinery sector. It reported 16.0K lbs of releases across 3 chemicals in 2023, and 26.2K lbs in total across its 2019-2023 reporting years. That ranks 7,629 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. Nov Downhole Conroe is pounds #748 and chemical-count #559 at 26.2K 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: Hempel (usa) Inc; Sabre Industries; Nov Conroe Brandt/portable Power & R&d Rig Solutions Scot; Crown Beverage Packaging. Similar-scale Machinery peers outside Texas: John Deere Waterloo Works Tcao; American Gfm Corp; Rehlko - Hattiesburg Engine Plant No. 1; Janicki Industries 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; Zinc (fume or dust); Chromium; Copper.
Nov Downhole Conroe is a LIGHT · MIXED-pathway Form-R site in Conroe, TX: 26.2K lbs across 6 chemicals (1 carcinogen-classified, CARC-HEAVY). No single media clears 70% of the bar (lead segment off-site transfers at 57.6%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include John Deere Waterloo Works Tcao and American Gfm Corp.
Nov Downhole Conroe 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
Nov Downhole Conroe: Nickel-led volume
Among the 1,186 Machinery facilities in this database, Nov Downhole Conroe reports the 133rd-largest volume, placing it in the top 11.2% of its sector. Its reported volume is concentrated rather than spread: Nickel alone is 66.2% of the total. Carcinogen-classified chemicals make up 66.2% of the reported pounds, not just of the chemical count. Scale peers outside Texas include John Deere Waterloo Works Tcao and American Gfm Corp.
Concentrated means ≥60% of Nov Downhole Conroe's pounds in one chemical - here Nickel at 66.2%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Nov Downhole Conroe's total reported releases rose from 1.3 thousand lb in 2022 to 16.0 thousand lb in 2023, based on EPA TRI filings.
- Nov Downhole Conroe's off-site transfers rose from 0 lb in 2022 to 14.9 thousand lb in 2023, based on EPA TRI filings.
- Nov Downhole Conroe's chemicals reported rose from 1 in 2022 to 3 in 2023, based on EPA TRI filings.
- Nov Downhole Conroe's air releases fell from 1.3 thousand lb in 2022 to 1.1 thousand lb in 2023, based on EPA TRI filings.
Nov Downhole Conroe Form-R facts
Compare this facility
See how Nov Downhole Conroe stacks up against nearby facilities and the typical reporter.
52% less than the comparison
40% 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 Nov Downhole Conroe releases toxic chemicals into the environment. Total: 26.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 17158% (93 lbs to 16.0K lbs).
Nov Downhole Conroe: annual Form-R pounds
LIGHT site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Nov Downhole Conroe year-over-year reported totals (increased by 17158% 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: Nickel.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 93 lbs | 4 |
| 2020 | 6.5K lbs | 4 |
| 2021 | 2.3K lbs | 2 |
| 2022 | 1.3K lbs | 1 |
| 2023 | 16.0K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 6 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nickel | 17.4K lbs | Carcinogen |
| Zinc (fume or dust) | 4.8K lbs | - |
| Chromium | 3.7K lbs | - |
| Copper | 293 lbs | - |
| Manganese | 49 lbs | - |
| Ethylene glycol | 1 lbs | - |
Nov Downhole Conroe in Montgomery
Nearest TRI Facilities to Nov Downhole Conroe
Closest other reporters in Texas - including Hempel (usa) Inc, Sabre Industries, Nov Conroe Brandt/portable Power & R&d Rig Solutions Scot, ordered by distance.
Showing 8 of 2,015 other reporting facilities in Texas.
Similar Machinery Facilities
Other Machinery facilities with similar total release volumes (±80%), outside Texas - e.g. John Deere Waterloo Works Tcao, American Gfm Corp, Rehlko - Hattiesburg Engine Plant No. 1.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Nov Downhole Conroe on cumulative reported pounds (26.2K lbs) and distinct chemical count (6). Release-pound peers include Puerto Rico Energy LLC - Guaynabo 2 Terminal, Profusion Industries LLC, Island Packet & Seaward Yachts. 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.
- Puerto Rico Energy LLC - Guaynabo 2 Terminal Guaynabo, PR · Petroleum Bulk Terminals 26.2K lbs reported
- Profusion Industries LLC Marietta, OH · Plastics and Rubber 26.2K lbs reported
- Island Packet & Seaward Yachts Largo, FL · Transportation Equipment 26.2K lbs reported
- Entegris Inc Bedford, MA · Plastics and Rubber 26.2K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
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, Zinc (fume or dust), Chromium, Copper; nearby reporters include Hempel (usa) Inc. Nov Downhole Conroe stamps LIGHT volume · MIXED 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 Nov Downhole Conroe TRI extract (LIGHT · MIXED · CARC-HEAVY · lead Nickel) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Nov Downhole Conroe totals are self-reported EPCRA §313 estimates for Conroe, TX, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 333132 · Machinery. 0.1% of Montgomery TRI pounds in this extract. Nearest ABS peer: Puerto Rico Energy LLC - Guaynabo 2 Terminal (Δ 7 lbs). Pounds ≠ exposure.
Nov Downhole Conroe stamps LIGHT · MIXED pathway (off-site transfers leads at 57.6%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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