EPA TRI Facility · Petroleum
Par West Refinery
Kapolei, HI · Parent: Par Pacific Holdings Inc
- Total releases
- 42.1K lbs
- Chemicals reported
- 18
- Carcinogens
- 4
- Primary pathway
- Air Releases
AIR Form-R mix
Par West Refinery: how the 42.1K lbs splits
42.1K lbs across all reported pathways
- Air Releases 40.6K lbs 96.4%
- Off-site Transfers 1.0K lbs 2.4%
- Water Discharges 477 lbs 1.1%
- Land Disposal 0 lbs <0.1%
Par West Refinery's 42.1K lbs Form-R total is AIR - air releases is 96.4% of the bar. Next segment: off-site transfers at 2.4%. Leading chemical by pounds: Propylene.
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
Par West Refinery is an EPA Toxics Release Inventory reporter in Kapolei, HI, in the petroleum sector. It reported 892 lbs of releases across 2 chemicals in 2023, and 42.1K lbs in total across its 2019-2023 reporting years. That ranks 6,511 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Hawaii's 36 reporting TRI sites, pounds #1 is not chemical-count #1. Par West Refinery is pounds #18 and chemical-count #2 at 42.1K lbs. Hawaiian Electric Co Inc Kahe Generating Station leads reported pounds (3.2M lbs) at 11 chemicals (chemical-count #5). Par Hawaii Refining LLC leads chemical count at 27 chemicals (841.7K lbs, pounds #5). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Ies Downstream LLC - Kapolei Terminal; Hawaiian Electric Campbell Industrial Park Generating Sta.; Aes Hawaii LLC; Aloha Petroleum Barbers Point Terminal. Similar-scale Petroleum peers outside Hawaii: Silver Eagle Refining-Evanston; Bluestone Coke; Kern Energy; Olein Recovery Corp 2. Other Par Pacific Holdings Inc sites in this extract: Par Montana Billings Refinery; US Oil & Refining Co; Wyoming Refining Co; Par Montana Spokane Terminal. Largest disclosed chemicals by pounds: Propylene; Xylene (mixed isomers); Toluene; n-Hexane.
Par West Refinery stamps LIGHT volume with a dominant AIR pathway (96.4% air releases) across 18 chemicals · 4 carcinogen-classified. Cumulative Form-R extract: 42.1K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Silver Eagle Refining-Evanston and Bluestone Coke.
Par West Refinery vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
42K lbs Top 25% higher than 75% 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
Par West Refinery in the Petroleum sector extract
Among the 902 Petroleum facilities in this database, Par West Refinery reports the 176th-largest volume, placing it in the top 19.5% of its sector. Scale peers outside Hawaii include Silver Eagle Refining-Evanston and Bluestone Coke.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Par West Refinery Form-R facts
Compare this facility
See how Par West Refinery stacks up against nearby facilities and the typical reporter.
85% less than the comparison
29% 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 Par West Refinery releases toxic chemicals into the environment. Total: 42.1K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 98% (35.9K lbs to 892 lbs).
Par West Refinery: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2023 0
What this shows Par West Refinery year-over-year reported totals (decreased by 98% 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: Propylene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 35.9K lbs | 16 |
| 2020 | 5.3K lbs | 12 |
| 2021 | 84 lbs | 1 |
| 2023 | 892 lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 4 of 18 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Propylene | 15.1K lbs | - |
| Xylene (mixed isomers) | 10.1K lbs | - |
| Toluene | 5.8K lbs | - |
| n-Hexane | 2.6K lbs | - |
| Naphthalene | 1.7K lbs | Carcinogen |
| Benzene | 1.6K lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 1.1K lbs | - |
| Ethylbenzene | 1.1K lbs | Carcinogen |
| Cyclohexane | 817 lbs | - |
| Mercury And Mercury Compounds | 815 lbs | - |
| Hydrogen sulfide | 560 lbs | - |
| Zinc compounds | 400 lbs | - |
| Lead And Lead Compounds | 134 lbs | - |
| Polycyclic aromatic compounds | 97 lbs | Carcinogen |
| Mercury compounds | 84 lbs | - |
| Lead compounds | 31 lbs | - |
| Copper And Copper Compounds | 23 lbs | - |
| Benzo[g,h,i]perylene | 0 lbs | - |
Par West Refinery · AIR-pathway site
Nearest TRI Facilities to Par West Refinery
Closest other reporters in Hawaii - including Ies Downstream LLC - Kapolei Terminal, Hawaiian Electric Campbell Industrial Park Generating Sta., Aes Hawaii LLC, ordered by distance.
Showing 8 of 35 other reporting facilities in Hawaii.
Similar Petroleum Facilities
Other Petroleum facilities with similar total release volumes (±80%), outside Hawaii - e.g. Silver Eagle Refining-Evanston, Bluestone Coke, Kern Energy.
Compare beyond Hawaii
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Par West Refinery on cumulative reported pounds (42.1K lbs) and distinct chemical count (18). Release-pound peers include K-Solv Chemicals LLC, Kraftheinz Co, Pseg Power Connecticut LLC Bridgeport Harbor Station. Chemical-count peers include Pride Solvents & Chemical Co of New Jersey, Mpm Silicones LLC, Max Environmental -- Yukon Facility. 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.
- K-Solv Chemicals LLC Channelview, TX · Petroleum Bulk Terminals 42.1K lbs reported
- Kraftheinz Co Springfield, MO · Food 42.1K lbs reported
- Pseg Power Connecticut LLC Bridgeport Harbor Station Bridgeport, CT · Electric Utilities 42.2K lbs reported
- U.S. Army National Guard Camp Butner Range Stem, NC · Other 42.1K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Pride Solvents & Chemical Co of New Jersey Avenel, NJ · Chemical Wholesalers 18 chemicals
- Mpm Silicones LLC Waterford, NY · Chemicals 18 chemicals
- Max Environmental -- Yukon Facility Yukon, PA · Hazardous Waste 18 chemicals
- Desotec US LLC Darlington Facility Darlington, PA · Hazardous Waste 18 chemicals
Other Par Pacific Holdings Inc Facilities
Same-parent TRI sites ranked by reported releases - including Par Montana Billings Refinery, US Oil & Refining Co, Wyoming Refining Co.
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 Propylene, Xylene (mixed isomers), Toluene, n-Hexane; nearby reporters include Ies Downstream LLC - Kapolei Terminal. Par West Refinery 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 Par West Refinery TRI extract (LIGHT · AIR · CARC-LEAN · lead Propylene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Par West Refinery totals are self-reported EPCRA §313 estimates for Kapolei, HI, latest year 2023. Form-R rows span 2019–2023 (4 years). NAICS 324110 · Petroleum. 0.4% of Honolulu TRI pounds in this extract. Nearest ABS peer: K-Solv Chemicals LLC (Δ 13 lbs). Pounds ≠ exposure.
Par West Refinery stamps LIGHT volume · AIR pathway · CARC-LEAN · lead Propylene. 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