EPA TRI Facility · Electric Utilities
Dartmouth Power Associates L.P.
North Dartmouth, MA · Parent: Talen Energy Corp
- Total releases
- 6.2K lbs
- Chemicals reported
- 7
- Carcinogens
- 3
- Primary pathway
- Air Releases
AIR Form-R mix
Dartmouth Power Associates L.P.: how the 6.2K lbs splits
6.2K lbs across all reported pathways
- Air Releases 6.1K lbs 99.5%
- Off-site Transfers 28 lbs 0.5%
Dartmouth Power Associates L.P.'s 6.2K lbs Form-R total is AIR - air releases is 99.5% of the bar. Next segment: off-site transfers at 0.5%. 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 AIR pathway TRACE-CARC
Dartmouth Power Associates L.P. is an EPA Toxics Release Inventory reporter in North Dartmouth, MA, in the electric utilities sector. It reported 6.2K lbs of releases across 7 chemicals in 2022. That ranks 10,794 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Massachusetts's 373 reporting TRI sites, pounds #1 is not chemical-count #1. Dartmouth Power Associates L.P. is pounds #152 and chemical-count #33 at 6.2K lbs. Solutia Inc leads reported pounds (2.5M lbs) at 9 chemicals (chemical-count #10). Astro Chemicals Inc leads chemical count at 17 chemicals (5.9K lbs, pounds #154). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Rothtec Engraving Corp; Afc Cable Systems; Ametek Aegis; Acushnet Co Ball Plant II. Similar-scale Electric Utilities peers outside Massachusetts: Waterbury Peaking Elec Generating Plant; Gordonsville Power Station; Perryman Generating Station; Bethlehem Energy Center. Other Talen Energy Corp sites in this extract: Brunner Island Steam Electric Station; Montour Steam Electric Station; Pedricktown Cogeneration Co LP; Martins Creek Steam Electric Station. Largest disclosed chemicals by pounds: n-Hexane; Naphthalene; Biphenyl; Cumene.
Compare Dartmouth Power Associates L.P. with
Nearest reporters in Massachusetts
- Rothtec Engraving Corp New Bedford · 9.0K lbs
- Afc Cable Systems New Bedford · 2.5K lbs
- Ametek Aegis New Bedford · 6.5K lbs
- Acushnet Co Ball Plant II North Dartmouth · 446.8K lbs
Similar-scale Electric Utilities sites elsewhere: Waterbury Peaking Elec Generating Plant (CT) · Gordonsville Power Station (VA) · Perryman Generating Station (MD)
Dartmouth Power Associates L.P. stamps LIGHT volume with a dominant AIR pathway (99.5% air releases) across 7 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 6.2K lbs (2022–2022). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Waterbury Peaking Elec Generating Plant and Gordonsville Power Station.
Dartmouth Power Associates L.P. vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
6.2K lbs Top 42% higher than 58% 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
Dartmouth Power Associates L.P.: n-Hexane-led volume
Among the 513 Electric Utilities facilities in this database, Dartmouth Power Associates L.P. reports the 392nd-largest volume (6.2K lbs). Its reported volume is concentrated rather than spread: n-Hexane alone is 99.2% of the total. Scale peers outside Massachusetts include Waterbury Peaking Elec Generating Plant and Gordonsville Power Station.
Concentrated means ≥60% of Dartmouth Power Associates L.P.'s pounds in one chemical - here n-Hexane at 99.2%. Not a toxicity score.
Dartmouth Power Associates L.P. Form-R facts
Compare this facility
See how Dartmouth Power Associates L.P. stacks up against nearby facilities and the typical reporter.
32% less than the comparison
75% 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 Dartmouth Power Associates L.P. releases toxic chemicals into the environment. Total: 6.2K lbs.
Chemical Releases
Aggregated across all reporting years (2022–2022). 3 of 7 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 6.1K lbs | - |
| Naphthalene | 11 lbs | Carcinogen |
| Biphenyl | 8 lbs | - |
| Cumene | 8 lbs | Carcinogen |
| Ethylbenzene | 8 lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 8 lbs | - |
| Xylene (mixed isomers) | 8 lbs | - |
Dartmouth Power Associates L.P. · AIR-pathway site
Nearest TRI Facilities to Dartmouth Power Associates L.P.
Closest other reporters in Massachusetts - including Rothtec Engraving Corp, Afc Cable Systems, Ametek Aegis, ordered by distance.
Showing 8 of 372 other reporting facilities in Massachusetts.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Massachusetts - e.g. Waterbury Peaking Elec Generating Plant, Gordonsville Power Station, Perryman Generating Station.
Compare beyond Massachusetts
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Dartmouth Power Associates L.P. on cumulative reported pounds (6.2K lbs) and distinct chemical count (7). Release-pound peers include Dunn Paper - Ladysmith, New Dairy South Carolina LLC, Championx-Denver City. 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Hubbell Caribe Ltd Vega Baja, PR · Electrical Equipment 7 chemicals
- Celanese Microcircuits Industries Ltd. Manati, PR · Primary Metals 7 chemicals
- Virgin Islands Water & Power Authority Saint Thomas, VI · Electric Utilities 7 chemicals
- Providence Metallizing Co in C Pawtucket, RI · Fabricated Metals 7 chemicals
Other Talen Energy Corp Facilities
Same-parent TRI sites ranked by reported releases - including Brunner Island Steam Electric Station, Montour Steam Electric Station, Pedricktown Cogeneration Co LP.
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, Naphthalene, Biphenyl, Cumene; nearby reporters include Rothtec Engraving Corp. Dartmouth Power Associates L.P. stamps LIGHT volume · AIR pathway · TRACE-CARC 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 Dartmouth Power Associates L.P. TRI extract (LIGHT · AIR · TRACE-CARC · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Dartmouth Power Associates L.P. totals are self-reported EPCRA §313 estimates for North Dartmouth, MA, latest year 2022. NAICS 221112 · Electric Utilities. 0.2% of Bristol TRI pounds in this extract. Nearest ABS peer: Dunn Paper - Ladysmith (Δ 2 lbs). Pounds ≠ exposure.
Dartmouth Power Associates L.P. stamps LIGHT volume · AIR pathway · TRACE-CARC · 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