EPA TRI Facility · Electric Utilities
Schiller Station
Portsmouth, NH · Parent: Gsp Schiller LLC
- Total releases
- 16.2K lbs
- Chemicals reported
- 8
- Carcinogens
- 3
- Primary pathway
- Air Releases
AIR Form-R mix
Schiller Station: how the 16.2K lbs splits
16.2K lbs across all reported pathways
- Air Releases 14.4K lbs 88.5%
- Off-site Transfers 1.9K lbs 11.5%
- Water Discharges 2 lbs <0.1%
- Land Disposal 0 lbs <0.1%
Schiller Station's 16.2K lbs Form-R total is AIR - air releases is 88.5% of the bar. Next segment: off-site transfers at 11.5%. 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 CARC-LEAN
Schiller Station is an EPA Toxics Release Inventory reporter in Portsmouth, NH, in the electric utilities sector. It reported 0 lbs of releases across 2 chemicals in 2024, and 16.2K lbs in total across its 2019-2024 reporting years. That ranks 8,709 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In New Hampshire's 119 reporting TRI sites, pounds #1 is not chemical-count #1. Schiller Station is pounds #22 and chemical-count #12 at 16.2K lbs. Watts Regulator Co DBA Webster Valve leads reported pounds (472.0K lbs) at 10 chemicals (chemical-count #7). Sig Sauer Inc leads chemical count at 13 chemicals (8.7K lbs, pounds #34). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Newington Station; Sprague River Road Terminal; Essential Power Newington; Georgia-Pacific Gypsum LLC Newington Nh. Similar-scale Electric Utilities peers outside New Hampshire: Aeci Dell Power Plant; Golden Valley Electric Assoc North Pole Power Plant; Genon Mid Atlantic LLC Dickerson Generating Station; U.S. Tva John Sevier Combined Cycle Plant. Largest disclosed chemicals by pounds: Ammonia; Manganese compounds; Naphthalene; Polycyclic aromatic compounds.
Schiller Station stamps LIGHT volume with a dominant AIR pathway (88.5% air releases) across 8 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 16.2K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Aeci Dell Power Plant and Golden Valley Electric Assoc North Pole Power Plant.
Schiller Station vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
16K lbs Top 34% higher than 66% 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
Schiller Station: Ammonia-led volume
Among the 513 Electric Utilities facilities in this database, Schiller Station reports the 372nd-largest volume (16.2K lbs). Its reported volume is concentrated rather than spread: Ammonia alone is 80.0% of the total. Scale peers outside New Hampshire include Aeci Dell Power Plant and Golden Valley Electric Assoc North Pole Power Plant.
Concentrated means ≥60% of Schiller Station's pounds in one chemical - here Ammonia at 80.0%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Schiller Station's total reported releases fell from 300 lb in 2022 to 23 lb in 2023, based on EPA TRI filings.
- Schiller Station's off-site transfers fell from 276 lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Schiller Station's chemicals reported fell from 4 in 2022 to 3 in 2023, based on EPA TRI filings.
Schiller Station Form-R facts
Compare this facility
See how Schiller Station stacks up against nearby facilities and the typical reporter.
528.3× more than the comparison
33% 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 Schiller Station releases toxic chemicals into the environment. Total: 16.2K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 100% (11.8K lbs to 0 lbs).
Schiller 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 Schiller 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 | 11.8K lbs | 6 |
| 2020 | 4.1K lbs | 5 |
| 2021 | 0 lbs | 2 |
| 2022 | 300 lbs | 4 |
| 2023 | 23 lbs | 3 |
| 2024 | 0 lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 3 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 13.0K lbs | - |
| Manganese compounds | 2.3K lbs | - |
| Naphthalene | 565 lbs | Carcinogen |
| Polycyclic aromatic compounds | 210 lbs | Carcinogen |
| Lead compounds | 198 lbs | - |
| Lead And Lead Compounds | 8 lbs | - |
| Benzo[g,h,i]perylene | 2 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
Schiller Station · AIR-pathway site
Nearest TRI Facilities to Schiller Station
Closest other reporters in New Hampshire - including Newington Station, Sprague River Road Terminal, Essential Power Newington, ordered by distance.
Showing 8 of 118 other reporting facilities in New Hampshire.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside New Hampshire - e.g. Aeci Dell Power Plant, Golden Valley Electric Assoc North Pole Power Plant, Genon Mid Atlantic LLC Dickerson Generating Station.
Compare beyond New Hampshire
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Schiller Station on cumulative reported pounds (16.2K lbs) and distinct chemical count (8). Release-pound peers include Hillyard Industries Inc, Mountaire Farms Inc. - Selbyville Plant, Pioneer Metal Finishing LLC. Chemical-count peers include Prepa-South Coast Power Plant, Argos Puerto Rico Corp., US Tsubaki Automotive LLC. 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.
- Hillyard Industries Inc Saint Joseph, MO · Chemicals 16.2K lbs reported
- Mountaire Farms Inc. - Selbyville Plant Selbyville, DE · Food 16.2K lbs reported
- Pioneer Metal Finishing LLC South Bend, IN · Fabricated Metals 16.2K lbs reported
- San Martin Plant Elmendorf, TX · Natural Gas Processing 16.3K lbs reported
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 Ammonia, Manganese compounds, Naphthalene, Polycyclic aromatic compounds; nearby reporters include Newington Station. Schiller Station 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 Schiller Station TRI extract (LIGHT · AIR · CARC-LEAN · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Schiller Station totals are self-reported EPCRA §313 estimates for Portsmouth, NH, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 221112 · Electric Utilities. 4.2% of Rockingham TRI pounds in this extract. Nearest ABS peer: Hillyard Industries Inc (Δ 4 lbs). Pounds ≠ exposure.
Schiller Station stamps LIGHT volume · AIR pathway · CARC-LEAN · 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