EPA TRI Facility · Natural Gas Processing
Demicks Lake Gas Plant
Watford City, ND · Parent: Oneok Inc
- Total releases
- 49.3K lbs
- Chemicals reported
- 2
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Demicks Lake Gas Plant: how the 49.3K lbs splits
49.3K lbs across all reported pathways
- Off-site Transfers 38.6K lbs 78.4%
- Air Releases 10.7K lbs 21.6%
Demicks Lake Gas Plant's 49.3K lbs Form-R total is OFFSITE - off-site transfers is 78.4% of the bar. Next segment: air releases at 21.6%. Leading chemical by pounds: n-Hexane.
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 OFFSITE pathway CARC-LEAN
Demicks Lake Gas Plant is an EPA Toxics Release Inventory reporter in Watford City, ND, in the natural gas processing sector. It reported 26.1K lbs of releases across 2 chemicals in 2023, and 49.3K lbs in total across its 2022-2023 reporting years. That ranks 6,155 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Wild Basin Gas Processing &crude Handling Facility; Garden Creek Gas Plant; Lonesome Creek Gas Plant; Oneok Rockies Midstream LLC - Grasslands Gas Plant. Similar-scale Natural Gas Processing peers outside North Dakota: Coyanosa Gas Plant; Delaware Basin Gas Plant; Pembrook Gas Plant; Freeport Lng Liquefaction Facility. Other Oneok Inc sites in this extract: Oneok Rockies Midstream LLC - Grasslands Gas Plant; Oneok Hydrocarbon LP - Bushton Complex; Canadian Valley Gas Plant; Magellan Processing L.P.. Largest disclosed chemicals by pounds: n-Hexane; Benzene.
Demicks Lake Gas Plant stamps LIGHT volume with a dominant OFFSITE pathway (78.4% off-site transfers) across 2 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 49.3K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Coyanosa Gas Plant and Delaware Basin Gas Plant.
Demicks Lake Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
49K lbs Top 24% higher than 76% 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
Demicks Lake Gas Plant: n-Hexane-led volume
Among the 339 Natural Gas Processing facilities in this database, Demicks Lake Gas Plant reports the 109th-largest volume (49.3K lbs). Its reported volume is concentrated rather than spread: n-Hexane alone is 93.3% of the total. Scale peers outside North Dakota include Coyanosa Gas Plant and Delaware Basin Gas Plant.
Concentrated means ≥60% of Demicks Lake Gas Plant's pounds in one chemical - here n-Hexane at 93.3%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Demicks Lake Gas Plant's total reported releases rose from 23.2 thousand lb in 2022 to 26.1 thousand lb in 2023, based on EPA TRI filings.
- Demicks Lake Gas Plant's off-site transfers rose from 17.4 thousand lb in 2022 to 21.2 thousand lb in 2023, based on EPA TRI filings.
- Demicks Lake Gas Plant's air releases fell from 5.8 thousand lb in 2022 to 4.9 thousand lb in 2023, based on EPA TRI filings.
Demicks Lake Gas Plant Form-R facts
Compare this facility
See how Demicks Lake Gas Plant stacks up against nearby facilities and the typical reporter.
2.8× more than the comparison
60% 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 Demicks Lake Gas Plant releases toxic chemicals into the environment. Total: 49.3K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases increased by 13% (23.2K lbs to 26.1K lbs).
Demicks Lake Gas Plant: annual Form-R pounds
LIGHT site · OFFSITE pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Demicks Lake Gas Plant year-over-year reported totals (increased by 13% 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: n-Hexane.
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 23.2K lbs | 2 |
| 2023 | 26.1K lbs | 2 |
Demicks Lake Gas Plant · OFFSITE-pathway site
Nearest TRI Facilities to Demicks Lake Gas Plant
Closest other reporters in North Dakota - including Wild Basin Gas Processing &crude Handling Facility, Garden Creek Gas Plant, Lonesome Creek Gas Plant, 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. Coyanosa Gas Plant, Delaware Basin Gas Plant, Pembrook Gas Plant.
Compare beyond North Dakota
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Demicks Lake Gas Plant on cumulative reported pounds (49.3K lbs) and distinct chemical count (2). Release-pound peers include Reg Albert Lea LLC, Champlain Specialty Metals Inc., Prysmian Cables & Systems USA LLC. Chemical-count peers include Idi Caribe Inc, Suiza Dairy Corp, Edwards Lifesciences Technology Sarl. 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.
- Reg Albert Lea LLC Albert Lea, MN · Chemicals 49.3K lbs reported
- Champlain Specialty Metals Inc. Benton Harbor, MI · Primary Metals 49.3K lbs reported
- Prysmian Cables & Systems USA LLC Paragould, AR · Primary Metals 49.3K lbs reported
- Architectural Fiberglass Inc Cleveland, OH · Plastics and Rubber 49.2K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Oneok Inc Facilities
Same-parent TRI sites ranked by reported releases - including Oneok Rockies Midstream LLC - Grasslands Gas Plant, Oneok Hydrocarbon LP - Bushton Complex, Canadian Valley Gas 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 n-Hexane, Benzene; nearby reporters include Wild Basin Gas Processing &crude Handling Facility. Demicks Lake Gas Plant stamps LIGHT 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 Demicks Lake Gas Plant TRI extract (LIGHT · OFFSITE · CARC-LEAN · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Demicks Lake Gas Plant totals are self-reported EPCRA §313 estimates for Watford City, ND, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 0.2% of Mckenzie TRI pounds in this extract. Nearest ABS peer: Reg Albert Lea LLC (Δ 33 lbs). Pounds ≠ exposure.
Demicks Lake Gas Plant stamps LIGHT volume · OFFSITE pathway · CARC-LEAN · lead n-Hexane. 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