EPA TRI Facility · Petroleum Bulk Terminals
Sunoco Midstream LLC
South Portland, ME
- Total releases
- 5.2K lbs
- Chemicals reported
- 10
- Carcinogens
- 5
- Primary pathway
- Air Releases
AIR Form-R mix
Sunoco Midstream LLC: how the 6.3K lbs splits
6.3K lbs across all reported pathways
- Air Releases 5.8K lbs 92.6%
- Off-site Transfers 461 lbs 7.3%
- Water Discharges 6 lbs 0.1%
- Land Disposal 0 lbs <0.1%
Sunoco Midstream LLC's 6.3K lbs Form-R total is AIR - air releases is 92.6% of the bar. Next segment: off-site transfers at 7.3%. Leading chemical by pounds: Toluene.
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
Sunoco Midstream LLC is an EPA Toxics Release Inventory reporter in South Portland, ME, in the petroleum bulk terminals sector. It reported 1.1K lbs of releases across 9 chemicals in 2024, and 5.2K lbs in total across its 2019-2024 reporting years. That ranks 11,123 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Maine's 81 reporting TRI sites, Sappi N.a. Inc. - Somerset Operations leads both reported pounds (10.6M lbs) and chemical count (31 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: Citgo Petroleum Corp South Portland Terminal; Sprague South Portland; South Portland Terminal (sptpm); Global Cos Llc-South Portland Terminal. Similar-scale Petroleum Bulk Terminals peers outside Maine: Thermo Fluids - Brownfield; Sunoco LLC - Huntington; Mplx Terminals LLC - Paducah Ky Terminal; Alta Fuels LLC - Pueblo Plant. Largest disclosed chemicals by pounds: Toluene; Xylene (mixed isomers); n-Hexane; Benzene.
Sunoco Midstream LLC stamps LIGHT volume with a dominant AIR pathway (92.6% air releases) across 10 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 5.2K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Thermo Fluids - Brownfield and Sunoco LLC - Huntington.
Sunoco Midstream LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
5.2K lbs Top 43% higher than 57% 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
Sunoco Midstream LLC in the Petroleum Bulk Terminals sector extract
Among the 695 Petroleum Bulk Terminals facilities in this database, Sunoco Midstream LLC reports the 264th-largest volume (5.2K lbs). Scale peers outside Maine include Thermo Fluids - Brownfield and Sunoco LLC - Huntington.
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
- Sunoco Midstream LLC's total reported releases fell from 993 lb in 2022 to 565 lb in 2023, based on EPA TRI filings.
- Sunoco Midstream LLC's off-site transfers fell from 203 lb in 2022 to 58 lb in 2023, based on EPA TRI filings.
- Sunoco Midstream LLC's air releases fell from 790 lb in 2022 to 507 lb in 2023, based on EPA TRI filings.
- Sunoco Midstream LLC's chemicals reported fell from 10 in 2022 to 9 in 2023, based on EPA TRI filings.
Sunoco Midstream LLC Form-R facts
Compare this facility
See how Sunoco Midstream LLC stacks up against nearby facilities and the typical reporter.
67% less than the comparison
17% 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 Sunoco Midstream LLC releases toxic chemicals into the environment. Total: 6.3K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 30% (1.6K lbs to 1.1K lbs).
Sunoco Midstream LLC: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Sunoco Midstream LLC year-over-year reported totals (decreased by 30% from 2019 to 2024). 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: Toluene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1.6K lbs | 10 |
| 2020 | 1.0K lbs | 10 |
| 2021 | 1.0K lbs | 10 |
| 2022 | 993 lbs | 10 |
| 2023 | 565 lbs | 9 |
| 2024 | 1.1K lbs | 9 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 5 of 10 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Toluene | 1.5K lbs | - |
| Xylene (mixed isomers) | 1.4K lbs | - |
| n-Hexane | 1.2K lbs | - |
| Benzene | 1.2K lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 645 lbs | - |
| Ethylbenzene | 328 lbs | Carcinogen |
| Naphthalene | 22 lbs | Carcinogen |
| Polycyclic aromatic compounds | 0 lbs | Carcinogen |
| Benzo[g,h,i]perylene | 0 lbs | - |
| Lead | 0 lbs | Carcinogen |
Sunoco Midstream LLC · AIR-pathway site
Nearest TRI Facilities to Sunoco Midstream LLC
Closest other reporters in Maine - including Citgo Petroleum Corp South Portland Terminal, Sprague South Portland, South Portland Terminal (sptpm), ordered by distance.
Showing 8 of 80 other reporting facilities in Maine.
Similar Petroleum Bulk Terminals Facilities
Other Petroleum Bulk Terminals facilities with similar total release volumes (±80%), outside Maine - e.g. Thermo Fluids - Brownfield, Sunoco LLC - Huntington, Mplx Terminals LLC - Paducah Ky Terminal.
Compare beyond Maine
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Sunoco Midstream LLC on cumulative reported pounds (5.2K lbs) and distinct chemical count (10). Release-pound peers include Century Products Inc., Aludyne-Clarksville, Kamax. Chemical-count peers include Harris Paints Corp., Saint Thomas Bulk Terminal, Total Guaynabo Bulk Terminal. 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).
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 Toluene, Xylene (mixed isomers), n-Hexane, Benzene; nearby reporters include Citgo Petroleum Corp South Portland Terminal. Sunoco Midstream LLC 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 Sunoco Midstream LLC TRI extract (LIGHT · AIR · CARC-LEAN · lead Toluene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Sunoco Midstream LLC totals are self-reported EPCRA §313 estimates for South Portland, ME, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 424710 · Petroleum Bulk Terminals. 0.5% of Cumberland TRI pounds in this extract. Nearest ABS peer: Century Products Inc. (Δ 1 lbs). Pounds ≠ exposure.
Sunoco Midstream LLC stamps LIGHT volume · AIR pathway · CARC-LEAN · lead Toluene. 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