EPA TRI Facility · Electric Utilities
Northampton Generating Plant
Northampton, PA · Parent: Olympus Power LLC
- Total releases
- 2.1M lbs
- Chemicals reported
- 18
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Northampton Generating Plant: how the 2.9M lbs splits
2.9M lbs across all reported pathways
- Off-site Transfers 2.3M lbs 80.9%
- Air Releases 547.4K lbs 19.1%
- Water Discharges 229 lbs <0.1%
- Land Disposal 0 lbs <0.1%
Northampton Generating Plant's 2.9M lbs Form-R total is OFFSITE - off-site transfers is 80.9% of the bar. Next segment: air releases at 19.1%. Leading chemical by pounds: Zinc compounds.
HEAVY volume OFFSITE pathway TRACE-CARC
Northampton Generating Plant is an EPA Toxics Release Inventory reporter in Northampton, PA, in the electric utilities sector. It reported 735.9K lbs of releases across 12 chemicals in 2024, and 2.1M lbs in total across its 2019-2024 reporting years. That ranks 824 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Pennsylvania's 1,010 reporting TRI sites, pounds #1 is not chemical-count #1. Northampton Generating Plant is pounds #26 and chemical-count #25 at 2.1M lbs. Max Environmental -- Yukon Facility leads reported pounds (34.8M lbs) at 18 chemicals (chemical-count #24). Keystone Cement Co leads chemical count at 53 chemicals (155.4K lbs, pounds #149). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Holcim (us) Inc. - Whitehall Plant; Bridesburg Foundry Co; Cera-Met; B. Braun US Device Manufacturing LLC. Similar-scale Electric Utilities peers outside Pennsylvania: Aes Warrior Run Inc; McIntosh Electric Generating Plant; Dolet Hills Power Station; Otter Tail Power Co Big Stone Plant. Other Olympus Power LLC sites in this extract: Walleye Power LLC - Bay Shore Plant. Largest disclosed chemicals by pounds: Zinc compounds; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Manganese.
Northampton Generating Plant stamps HEAVY volume with a dominant OFFSITE pathway (80.9% off-site transfers) across 18 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 2.1M lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Aes Warrior Run Inc and McIntosh Electric Generating Plant.
Northampton Generating Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
2.1M lbs Top 3% higher than 97% 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
Northampton Generating Plant inside Northampton's TRI pounds
Among the 513 Electric Utilities facilities in this database, Northampton Generating Plant reports the 143rd-largest volume (2.1M lbs). This one site accounts for 47.0% of every pound reported in Northampton. Scale peers outside Pennsylvania include Aes Warrior Run Inc and McIntosh Electric Generating Plant.
County-dominant here means ≥25% of Northampton's reported pounds (4.5M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Northampton Generating Plant's total reported releases fell from 817.1 thousand lb in 2022 to 734.7 thousand lb in 2023, based on EPA TRI filings.
- Northampton Generating Plant's water releases fell from 59 lb in 2022 to 25 lb in 2023, based on EPA TRI filings.
- Northampton Generating Plant's off-site transfers fell from 670.7 thousand lb in 2022 to 575.4 thousand lb in 2023, based on EPA TRI filings.
- Northampton Generating Plant's air releases rose from 146.3 thousand lb in 2022 to 159.3 thousand lb in 2023, based on EPA TRI filings.
Northampton Generating Plant Form-R facts
Compare this facility
See how Northampton Generating Plant stacks up against nearby facilities and the typical reporter.
10.8× more than the comparison
64% 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 Northampton Generating Plant releases toxic chemicals into the environment. Total: 2.9M lbs.
Emissions Trend Summary
From 2019 to 2024, total releases increased by 80% (409.0K lbs to 735.9K lbs).
Northampton Generating Plant: annual Form-R pounds
HEAVY site · OFFSITE pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022
- 2023
- 2024
What this shows Northampton Generating Plant year-over-year reported totals (increased by 80% 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: Zinc compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 409.0K lbs | 8 |
| 2020 | 521 lbs | 1 |
| 2021 | 163.8K lbs | 6 |
| 2022 | 817.1K lbs | 12 |
| 2023 | 734.7K lbs | 12 |
| 2024 | 735.9K lbs | 12 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 1 of 18 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Zinc compounds | 1.2M lbs | - |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 531.6K lbs | - |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 255.3K lbs | - |
| Manganese | 215.4K lbs | - |
| Barium And Barium Compounds | 189.5K lbs | - |
| Vanadium compounds | 108.7K lbs | - |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 101.4K lbs | - |
| Copper compounds | 75.2K lbs | - |
| Lead compounds | 58.0K lbs | - |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 57.6K lbs | - |
| Copper And Copper Compounds | 40.8K lbs | - |
| Lead And Lead Compounds | 32.5K lbs | - |
| Manganese compounds | 24.5K lbs | - |
| Hydrogen fluoride | 9.7K lbs | - |
| Ammonia | 8.1K lbs | - |
| Mercury compounds | 629 lbs | - |
| Mercury And Mercury Compounds | 361 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
Northampton Generating Plant · OFFSITE-pathway site
Nearest TRI Facilities to Northampton Generating Plant
Closest other reporters in Pennsylvania - including Holcim (us) Inc. - Whitehall Plant, Bridesburg Foundry Co, Cera-Met, ordered by distance.
Showing 8 of 1,009 other reporting facilities in Pennsylvania.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Pennsylvania - e.g. Aes Warrior Run Inc, McIntosh Electric Generating Plant, Dolet Hills Power Station.
Compare beyond Pennsylvania
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Northampton Generating Plant on cumulative reported pounds (2.1M lbs) and distinct chemical count (18). Release-pound peers include Lanxess - South Plant, Huntsman Petrochemical LLC, Minnesota Soybean Processors. Chemical-count peers include Pride Solvents & Chemical Co of New Jersey, Mpm Silicones LLC, Advansix Inc Hopewell Plant. 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 Olympus Power LLC Facilities
Same-parent TRI sites ranked by reported releases - including Walleye Power LLC - Bay Shore 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 Zinc compounds, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Manganese; nearby reporters include Holcim (us) Inc. - Whitehall Plant. Northampton Generating Plant stamps HEAVY volume · OFFSITE 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 Northampton Generating Plant TRI extract (HEAVY · OFFSITE · TRACE-CARC · lead Zinc compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Northampton Generating Plant totals are self-reported EPCRA §313 estimates for Northampton, PA, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 221112 · Electric Utilities. 47.0% of Northampton TRI pounds in this extract. Nearest ABS peer: Lanxess - South Plant (Δ 551 lbs). Pounds ≠ exposure.
Northampton Generating Plant stamps HEAVY volume · OFFSITE pathway · TRACE-CARC · lead Zinc compounds. 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