EPA TRI Facility · Electric Utilities
Perryman Generating Station
Perryman, MD · Parent: Constellation Energy Generation LLC
- Total releases
- 7.6K lbs
- Chemicals reported
- 3
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Perryman Generating Station: how the 7.6K lbs splits
7.6K lbs across all reported pathways
- Air Releases 7.6K lbs 100.0%
Perryman Generating Station's 7.6K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Ammonia.
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
Perryman Generating Station is an EPA Toxics Release Inventory reporter in Perryman, MD, in the electric utilities sector. It reported 7.6K lbs of releases across 3 chemicals, summed over every year it filed. That ranks 10,358 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Maryland's 152 reporting TRI sites, pounds #1 is not chemical-count #1. Perryman Generating Station is pounds #47 and chemical-count #58 at 7.6K lbs. Darling Ingredients Inc.- Linkwood Facility leads reported pounds (9.1M lbs) at 4 chemicals (chemical-count #37). Brandon Shores & Wagner Complex leads chemical count at 27 chemicals (560.1K lbs, pounds #9). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Citrus & Allied Essences Ltd.; Proform Finishing Products - Belcamp; Independent Can Co; S&g Concrete Edgewood. Similar-scale Electric Utilities peers outside Maryland: Gordonsville Power Station; Bethlehem Energy Center; Canal Generating LLC; Cayuga Operating Co L.L.C.. Other Constellation Energy Generation LLC sites in this extract: Mystic Station. Largest disclosed chemicals by pounds: Ammonia; Polycyclic aromatic compounds; Benzene.
Perryman Generating Station stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 3 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 7.6K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Gordonsville Power Station and Bethlehem Energy Center.
Perryman Generating Station vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
7.6K lbs Top 40% higher than 60% 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
Perryman Generating Station: Ammonia-led volume
Among the 513 Electric Utilities facilities in this database, Perryman Generating Station reports the 390th-largest volume (7.6K lbs). Its reported volume is concentrated rather than spread: Ammonia alone is more than 99.9% of the total. Scale peers outside Maryland include Gordonsville Power Station and Bethlehem Energy Center.
Concentrated means ≥60% of Perryman Generating Station's pounds in one chemical - here Ammonia at more than 99.9%. Not a toxicity score.
Perryman Generating Station Form-R facts
Compare this facility
See how Perryman Generating Station stacks up against nearby facilities and the typical reporter.
3.1× more than the comparison
50% 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 Perryman Generating Station releases toxic chemicals into the environment. Total: 7.6K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 100% (7.6K lbs to 0 lbs).
Perryman Generating Station: 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 Perryman Generating Station year-over-year reported totals (decreased by 100% 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: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 7.6K lbs | 2 |
| 2020 | 0 lbs | 2 |
| 2021 | 0 lbs | 1 |
| 2022 | 5 lbs | 2 |
| 2023 | 0 lbs | 1 |
| 2024 | 0 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 2 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 7.6K lbs | - |
| Polycyclic aromatic compounds | 5 lbs | Carcinogen |
| Benzene | 0 lbs | Carcinogen |
Perryman Generating Station · AIR-pathway site
Nearest TRI Facilities to Perryman Generating Station
Closest other reporters in Maryland - including Citrus & Allied Essences Ltd., Proform Finishing Products - Belcamp, Independent Can Co, ordered by distance.
Showing 8 of 151 other reporting facilities in Maryland.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Maryland - e.g. Gordonsville Power Station, Bethlehem Energy Center, Canal Generating LLC.
Compare beyond Maryland
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Perryman Generating Station on cumulative reported pounds (7.6K lbs) and distinct chemical count (3). Release-pound peers include Actus Nutrition - Visalia, Kingspan Insulation LLC, Thermaflex. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International Inc. 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 Constellation Energy Generation LLC Facilities
Same-parent TRI sites ranked by reported releases - including Mystic Station.
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 Ammonia, Polycyclic aromatic compounds, Benzene; nearby reporters include Citrus & Allied Essences Ltd.. Perryman Generating Station 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 Perryman Generating Station TRI extract (LIGHT · AIR · TRACE-CARC · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Perryman Generating Station totals are self-reported EPCRA §313 estimates for Perryman, MD, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 221112 · Electric Utilities. 1.5% of Harford TRI pounds in this extract. Nearest ABS peer: Actus Nutrition - Visalia (Δ 3 lbs). Pounds ≠ exposure.
Perryman Generating Station stamps LIGHT volume · AIR pathway · TRACE-CARC · lead Ammonia. 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