EPA TRI Facility · Natural Gas Processing
Northridge Gas Plant
Calvin, OK · Parent: Enlink Midstream Operating LP
- Total releases
- 14.0K lbs
- Chemicals reported
- 11
- Carcinogens
- 3
- Primary pathway
- Air Releases
AIR Form-R mix
Northridge Gas Plant: how the 14.0K lbs splits
14.0K lbs across all reported pathways
- Air Releases 13.2K lbs 94.3%
- Off-site Transfers 798 lbs 5.7%
Northridge Gas Plant's 14.0K lbs Form-R total is AIR - air releases is 94.3% of the bar. Next segment: off-site transfers at 5.7%. Leading chemical by pounds: Methanol.
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 AIR pathway CARC-LEAN
Northridge Gas Plant is an EPA Toxics Release Inventory reporter in Calvin, OK, in the natural gas processing sector. It reported 6.3K lbs of releases across 6 chemicals in 2023, and 14.0K lbs in total across its 2022-2023 reporting years. That ranks 9,057 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Oklahoma's 350 reporting TRI sites, pounds #1 is not chemical-count #1. Northridge Gas Plant is pounds #159 and chemical-count #28 at 14.0K lbs. International Paper Co leads reported pounds (28.8M lbs) at 21 chemicals (chemical-count #10). Clean Harbors Lone Mountain LLC Lone Mountain Facility leads chemical count at 51 chemicals (15.9M lbs, pounds #3). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Wetumka Gas Processing Plant; Hickory Hills Gas Plant; Commercial Brick Corp; Panther Creek Processing Facility. Similar-scale Natural Gas Processing peers outside Oklahoma: Southwest Ozona Gas Plant; Markwest Utica Emg LLC; Enterprise Products Operating; Platteville Gas Plant. Other Enlink Midstream Operating LP sites in this extract: Bridgeport Gas Processing Plant; Tom Stack LLC / Chisholm Plant; Cana Gas Processing Plant; Lobo Processing Plant. Largest disclosed chemicals by pounds: Methanol; n-Hexane; Benzene; Toluene.
Northridge Gas Plant stamps LIGHT volume with a dominant AIR pathway (94.3% air releases) across 11 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 14.0K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Southwest Ozona Gas Plant and Markwest Utica Emg LLC.
Northridge Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
14K lbs Top 35% higher than 65% 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
Northridge Gas Plant in the Natural Gas Processing sector extract
Among the 339 Natural Gas Processing facilities in this database, Northridge Gas Plant reports the 198th-largest volume (14.0K lbs). Scale peers outside Oklahoma include Southwest Ozona Gas Plant and Markwest Utica Emg LLC.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Northridge Gas Plant's total reported releases fell from 7.6 thousand lb in 2022 to 6.3 thousand lb in 2023, based on EPA TRI filings.
- Northridge Gas Plant's off-site transfers fell from 598 lb in 2022 to 200 lb in 2023, based on EPA TRI filings.
- Northridge Gas Plant's chemicals reported fell from 11 in 2022 to 6 in 2023, based on EPA TRI filings.
- Northridge Gas Plant's air releases fell from 7.0 thousand lb in 2022 to 6.1 thousand lb in 2023, based on EPA TRI filings.
Northridge Gas Plant Form-R facts
Compare this facility
See how Northridge Gas Plant stacks up against nearby facilities and the typical reporter.
73% less than the comparison
5.5× 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 Northridge Gas Plant releases toxic chemicals into the environment. Total: 14.0K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases decreased by 17% (7.6K lbs to 6.3K lbs).
Northridge Gas Plant: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Northridge Gas Plant year-over-year reported totals (decreased by 17% from 2022 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: Methanol.
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 7.6K lbs | 11 |
| 2023 | 6.3K lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 3 of 11 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Methanol | 4.8K lbs | - |
| n-Hexane | 3.6K lbs | - |
| Benzene | 2.5K lbs | Carcinogen |
| Toluene | 2.4K lbs | - |
| Xylene (mixed isomers) | 479 lbs | - |
| Ethylbenzene | 46 lbs | Carcinogen |
| Cyclohexane | 20 lbs | - |
| Cumene | 10 lbs | Carcinogen |
| Ethylene | 10 lbs | - |
| Ethylene glycol | 10 lbs | - |
| Propylene | 8 lbs | - |
Northridge Gas Plant · AIR-pathway site
Nearest TRI Facilities to Northridge Gas Plant
Closest other reporters in Oklahoma - including Wetumka Gas Processing Plant, Hickory Hills Gas Plant, Commercial Brick Corp, ordered by distance.
Showing 8 of 349 other reporting facilities in Oklahoma.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Oklahoma - e.g. Southwest Ozona Gas Plant, Markwest Utica Emg LLC, Enterprise Products Operating.
Compare beyond Oklahoma
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Northridge Gas Plant on cumulative reported pounds (14.0K lbs) and distinct chemical count (11). Release-pound peers include Gresham Petroleum Co, Independent Can Co, Miller Waste Mills (dba Rtp Co.). Chemical-count peers include Puerto Rico Energy LLC - Bayamon Terminal, Lanco Manufacturing Corp, Buckeye Caribbean Terminals LLC (former Scyi). 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).
- Puerto Rico Energy LLC - Bayamon Terminal Bayamon, PR · Petroleum Bulk Terminals 11 chemicals
- Lanco Manufacturing Corp San Lorenzo, PR · Chemicals 11 chemicals
- Buckeye Caribbean Terminals LLC (former Scyi) Yabucoa, PR · Petroleum Bulk Terminals 11 chemicals
- Limetree Bay Terminals LLC DBA Ocean Point Terminals Christiansted, VI · Petroleum Bulk Terminals 11 chemicals
Other Enlink Midstream Operating LP Facilities
Same-parent TRI sites ranked by reported releases - including Bridgeport Gas Processing Plant, Tom Stack LLC / Chisholm Plant, Cana Gas Processing Plant.
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 Methanol, n-Hexane, Benzene, Toluene; nearby reporters include Wetumka Gas Processing Plant. Northridge Gas Plant stamps LIGHT volume · AIR pathway · CARC-LEAN 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 Northridge Gas Plant TRI extract (LIGHT · AIR · CARC-LEAN · lead Methanol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Northridge Gas Plant totals are self-reported EPCRA §313 estimates for Calvin, OK, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 16.9% of Hughes TRI pounds in this extract. Nearest ABS peer: Gresham Petroleum Co (Δ 1 lbs). Pounds ≠ exposure.
Northridge Gas Plant stamps LIGHT volume · AIR pathway · CARC-LEAN · lead Methanol. 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