EPA TRI Facility · Natural Gas Processing
Dcp Midstream O-Connor Gas Plant
Kersey, CO · Parent: Phillips 66
- Total releases
- 107.2K lbs
- Chemicals reported
- 8
- Carcinogens
- 2
- Primary pathway
- Off-site Transfers
MIXED Form-R mix
Dcp Midstream O-Connor Gas Plant: how the 107.2K lbs splits
107.2K lbs across all reported pathways
- Off-site Transfers 66.9K lbs 62.4%
- Air Releases 40.3K lbs 37.6%
Dcp Midstream O-Connor Gas Plant's 107.2K lbs Form-R total is MIXED - off-site transfers is 62.4% of the bar. Next segment: air releases at 37.6%. 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.
MID volume MIXED pathway CARC-LEAN
Dcp Midstream O-Connor Gas Plant is an EPA Toxics Release Inventory reporter in Kersey, CO, in the natural gas processing sector. It reported 33.7K lbs of releases across 6 chemicals in 2023, and 107.2K lbs in total across its 2022-2023 reporting years. That ranks 4,447 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Colorado's 277 reporting TRI sites, pounds #1 is not chemical-count #1. Dcp Midstream O-Connor Gas Plant is pounds #47 and chemical-count #29 at 107.2K lbs. Cripple Creek & Victor Gold Mining Co leads reported pounds (22.9M lbs) at 12 chemicals (chemical-count #13). Suncor Energy Commerce City Refinery leads chemical count at 33 chemicals (460.2K lbs, pounds #24). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Championx-Greeley; Dfa Dairy Brands Fluid LLC DBA Meadow Gold Dairy; Leprino Foods Co - Greeley; Coastal Chemical Co. LLC. Similar-scale Natural Gas Processing peers outside Colorado: Wilcox Gas Plant; Oneok Hydrocarbon L.P. - Medford Fractionator; Andeavor Field Services Llc-Belfield Gas Plant; Dcp National Helium Plant. Other Phillips 66 sites in this extract: Phillips 66 Co-Bayway Refinery; Phillips 66 Rodeo Renewable Energy Complex; Phillips 66 Los Angeles Refinery Wilmington Plant; Phillips 66 Los Angeles Refinery Carson Plant. Largest disclosed chemicals by pounds: n-Hexane; Copper And Copper Compounds; Cyclohexane; Methanol.
Dcp Midstream O-Connor Gas Plant is a MID · MIXED-pathway Form-R site in Kersey, CO: 107.2K lbs across 8 chemicals (2 carcinogen-classified, CARC-LEAN). No single media clears 70% of the bar (lead segment off-site transfers at 62.4%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Wilcox Gas Plant and Oneok Hydrocarbon L.P. - Medford Fractionator.
Dcp Midstream O-Connor Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
107K 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
Dcp Midstream O-Connor Gas Plant in the Natural Gas Processing sector extract
Among the 339 Natural Gas Processing facilities in this database, Dcp Midstream O-Connor Gas Plant reports the 51st-largest volume, placing it in the top 15% of its sector. Scale peers outside Colorado include Wilcox Gas Plant and Oneok Hydrocarbon L.P. - Medford Fractionator.
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
- Dcp Midstream O-Connor Gas Plant's total reported releases fell from 73.5 thousand lb in 2022 to 33.7 thousand lb in 2023, based on EPA TRI filings.
- Dcp Midstream O-Connor Gas Plant's off-site transfers fell from 48.3 thousand lb in 2022 to 18.6 thousand lb in 2023, based on EPA TRI filings.
- Dcp Midstream O-Connor Gas Plant's air releases fell from 25.2 thousand lb in 2022 to 15.1 thousand lb in 2023, based on EPA TRI filings.
- Dcp Midstream O-Connor Gas Plant's chemicals reported fell from 8 in 2022 to 6 in 2023, based on EPA TRI filings.
Dcp Midstream O-Connor Gas Plant Form-R facts
Compare this facility
See how Dcp Midstream O-Connor Gas Plant stacks up against nearby facilities and the typical reporter.
30.5× more than the comparison
27% 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 Dcp Midstream O-Connor Gas Plant releases toxic chemicals into the environment. Total: 107.2K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases decreased by 54% (73.5K lbs to 33.7K lbs).
Dcp Midstream O-Connor Gas Plant: annual Form-R pounds
MID site · MIXED pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Dcp Midstream O-Connor Gas Plant year-over-year reported totals (decreased by 54% 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 | 73.5K lbs | 8 |
| 2023 | 33.7K lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 2 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 27.3K lbs | - |
| Copper And Copper Compounds | 27.0K lbs | - |
| Cyclohexane | 17.0K lbs | - |
| Methanol | 14.1K lbs | - |
| Toluene | 9.0K lbs | - |
| Benzene | 7.7K lbs | Carcinogen |
| Xylene (mixed isomers) | 4.4K lbs | - |
| Ethylbenzene | 629 lbs | Carcinogen |
Dcp Midstream O-Connor Gas Plant in Weld
Nearest TRI Facilities to Dcp Midstream O-Connor Gas Plant
Closest other reporters in Colorado - including Championx-Greeley, Dfa Dairy Brands Fluid LLC DBA Meadow Gold Dairy, Leprino Foods Co - Greeley, ordered by distance.
Showing 8 of 276 other reporting facilities in Colorado.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Colorado - e.g. Wilcox Gas Plant, Oneok Hydrocarbon L.P. - Medford Fractionator, Andeavor Field Services Llc-Belfield Gas Plant.
Compare beyond Colorado
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Dcp Midstream O-Connor Gas Plant on cumulative reported pounds (107.2K lbs) and distinct chemical count (8). Release-pound peers include Fibertech Inc., Equistar Chemicals LP, Maax US Corp.. Chemical-count peers include Prepa-South Coast Power Plant, Argos Puerto Rico Corp., US Tsubaki Automotive LLC. 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).
Other Phillips 66 Facilities
Same-parent TRI sites ranked by reported releases - including Phillips 66 Co-Bayway Refinery, Phillips 66 Rodeo Renewable Energy Complex, Phillips 66 Los Angeles Refinery Wilmington 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, Copper And Copper Compounds, Cyclohexane, Methanol; nearby reporters include Championx-Greeley. Dcp Midstream O-Connor Gas Plant stamps MID volume · MIXED 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 Dcp Midstream O-Connor Gas Plant TRI extract (MID · MIXED · CARC-LEAN · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Dcp Midstream O-Connor Gas Plant totals are self-reported EPCRA §313 estimates for Kersey, CO, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 2.1% of Weld TRI pounds in this extract. Nearest ABS peer: Fibertech Inc. (Δ 19 lbs). Pounds ≠ exposure.
Dcp Midstream O-Connor Gas Plant stamps MID · MIXED pathway (off-site transfers leads at 62.4%). 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