EPA TRI Facility · Natural Gas Processing
Andeavor Field Services Llc-Belfield Gas Plant
Belfield, ND · Parent: Marathon Petroleum Corp
- Total releases
- 104.3K lbs
- Chemicals reported
- 7
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Andeavor Field Services Llc-Belfield Gas Plant: how the 104.3K lbs splits
104.3K lbs across all reported pathways
- Off-site Transfers 98.6K lbs 94.6%
- Air Releases 5.6K lbs 5.4%
Andeavor Field Services Llc-Belfield Gas Plant's 104.3K lbs Form-R total is OFFSITE - off-site transfers is 94.6% of the bar. Next segment: air releases at 5.4%. Leading chemical by pounds: Xylene (mixed isomers).
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.
MID volume OFFSITE pathway CARC-LEAN
Andeavor Field Services Llc-Belfield Gas Plant is an EPA Toxics Release Inventory reporter in Belfield, ND, in the natural gas processing sector. It reported 38.0K lbs of releases across 7 chemicals in 2023, and 104.3K lbs in total across its 2022-2023 reporting years. That ranks 4,495 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In North Dakota's 94 reporting TRI sites, Basin Electric Antelope Valley Station leads both reported pounds (167.8M lbs) and chemical count (55 chemicals). The two rankings do not invert in this pool. Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Fryburg Rail Terminal; Marathon Dickinson Refinery; Patterson Rail Terminal; Palmer Manufacturing & Tank Inc.. Similar-scale Natural Gas Processing peers outside North Dakota: Dcp National Helium Plant; Oneok Field Svc/maysville Gas Plt; Dcp Midstream O-Connor Gas Plant; Wilcox Gas Plant. Other Marathon Petroleum Corp sites in this extract: Blanchard Refining Co LLC; Marathon Petroleum Co LP; Marathon Mandan Refinery; Catlettsburg Refining LLC. Largest disclosed chemicals by pounds: Xylene (mixed isomers); Toluene; n-Hexane; Benzene.
Andeavor Field Services Llc-Belfield Gas Plant stamps MID volume with a dominant OFFSITE pathway (94.6% off-site transfers) across 7 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 104.3K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Dcp National Helium Plant and Oneok Field Svc/maysville Gas Plt.
Andeavor Field Services Llc-Belfield Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
104K lbs Top 17% higher than 83% 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
Andeavor Field Services Llc-Belfield Gas Plant inside Stark's TRI pounds
Among the 339 Natural Gas Processing facilities in this database, Andeavor Field Services Llc-Belfield Gas Plant reports the 52nd-largest volume, placing it in the top 15.3% of its sector. This one site accounts for 33.2% of every pound reported in Stark. Scale peers outside North Dakota include Dcp National Helium Plant and Oneok Field Svc/maysville Gas Plt.
County-dominant here means ≥25% of Stark's reported pounds (313.8K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Andeavor Field Services Llc-Belfield Gas Plant's total reported releases fell from 66.3 thousand lb in 2022 to 38.0 thousand lb in 2023, based on EPA TRI filings.
- Andeavor Field Services Llc-Belfield Gas Plant's off-site transfers fell from 63.5 thousand lb in 2022 to 35.1 thousand lb in 2023, based on EPA TRI filings.
- Andeavor Field Services Llc-Belfield Gas Plant's chemicals reported rose from 5 in 2022 to 7 in 2023, based on EPA TRI filings.
- Andeavor Field Services Llc-Belfield Gas Plant's air releases rose from 2.8 thousand lb in 2022 to 2.9 thousand lb in 2023, based on EPA TRI filings.
Andeavor Field Services Llc-Belfield Gas Plant Form-R facts
Compare this facility
See how Andeavor Field Services Llc-Belfield Gas Plant stacks up against nearby facilities and the typical reporter.
4.9× more than the comparison
30% 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 Andeavor Field Services Llc-Belfield Gas Plant releases toxic chemicals into the environment. Total: 104.3K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases decreased by 43% (66.3K lbs to 38.0K lbs).
Andeavor Field Services Llc-Belfield Gas Plant: annual Form-R pounds
MID site · OFFSITE pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Andeavor Field Services Llc-Belfield Gas Plant year-over-year reported totals (decreased by 43% 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: Xylene (mixed isomers).
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 66.3K lbs | 5 |
| 2023 | 38.0K lbs | 7 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 1 of 7 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Xylene (mixed isomers) | 40.5K lbs | - |
| Toluene | 29.8K lbs | - |
| n-Hexane | 18.8K lbs | - |
| Benzene | 12.1K lbs | Carcinogen |
| Methanol | 3.0K lbs | - |
| Copper compounds | 0 lbs | - |
| Ethylene glycol | 0 lbs | - |
Andeavor Field Services Llc-Belfield Gas Plant · OFFSITE-pathway site
Nearest TRI Facilities to Andeavor Field Services Llc-Belfield Gas Plant
Closest other reporters in North Dakota - including Fryburg Rail Terminal, Marathon Dickinson Refinery, Patterson Rail Terminal, ordered by distance.
Showing 8 of 93 other reporting facilities in North Dakota.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside North Dakota - e.g. Dcp National Helium Plant, Oneok Field Svc/maysville Gas Plt, Dcp Midstream O-Connor Gas Plant.
Compare beyond North Dakota
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Andeavor Field Services Llc-Belfield Gas Plant on cumulative reported pounds (104.3K lbs) and distinct chemical count (7). Release-pound peers include Sherwin-Williams Co, Houston Plating & Coatings LLC, Sark Wire. Chemical-count peers include Hubbell Caribe Ltd, Celanese Microcircuits Industries Ltd., Virgin Islands Water & Power Authority. 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.
- Sherwin-Williams Co Bowling Green, KY · Chemicals 104.2K lbs reported
- Houston Plating & Coatings LLC South Houston, TX · Fabricated Metals 104.3K lbs reported
- Sark Wire Eastanollee, GA · Primary Metals 104.2K lbs reported
- Profile Finishing Systems Inc. Waukesha, WI · Fabricated Metals 104.3K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Marathon Petroleum Corp Facilities
Same-parent TRI sites ranked by reported releases - including Blanchard Refining Co LLC, Marathon Petroleum Co LP, Marathon Mandan Refinery.
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 Xylene (mixed isomers), Toluene, n-Hexane, Benzene; nearby reporters include Fryburg Rail Terminal. Andeavor Field Services Llc-Belfield Gas Plant stamps MID volume · OFFSITE 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 Andeavor Field Services Llc-Belfield Gas Plant TRI extract (MID · OFFSITE · CARC-LEAN · lead Xylene (mixed isomers)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Andeavor Field Services Llc-Belfield Gas Plant totals are self-reported EPCRA §313 estimates for Belfield, ND, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 33.2% of Stark TRI pounds in this extract. Nearest ABS peer: Sherwin-Williams Co (Δ 16 lbs). Pounds ≠ exposure.
Andeavor Field Services Llc-Belfield Gas Plant stamps MID volume · OFFSITE pathway · CARC-LEAN · lead Xylene (mixed isomers). 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