EPA TRI Facility · Electric Utilities
Pg&e Humboldt Bay Power Plant
Eureka, CA · Parent: Pacific Gas & Electric Co
- Total releases
- 174.2K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Pg&e Humboldt Bay Power Plant: how the 174.2K lbs splits
174.2K lbs across all reported pathways
- Air Releases 173.2K lbs 99.4%
- Off-site Transfers 973 lbs 0.6%
Pg&e Humboldt Bay Power Plant's 174.2K lbs Form-R total is AIR - air releases is 99.4% of the bar. Next segment: off-site transfers at 0.6%. Leading chemical by pounds: Acetaldehyde.
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.
MID volume AIR pathway CARC-HEAVY
Pg&e Humboldt Bay Power Plant is an EPA Toxics Release Inventory reporter in Eureka, CA, in the electric utilities sector. It reported 31.4K lbs of releases across 2 chemicals in 2023, and 174.2K lbs in total across its 2019-2023 reporting years. That ranks 3,489 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. Pg&e Humboldt Bay Power Plant is pounds #100 and chemical-count #376 at 174.2K lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Crystal Creamery Inc. DBA Humboldt Creamery; Humboldt Sawmill Co & Cogeneration Plant; Rumiano Cheese Co; Knauf Insulation Inc.. Similar-scale Electric Utilities peers outside California: Powerton Generating Station; Dairyland Power Cooperative - Genoa Site; Linden Generating Station; Chalk Point Power LLC. Largest disclosed chemicals by pounds: Acetaldehyde; Ammonia; 1,2,4-Trimethylbenzene.
Pg&e Humboldt Bay Power Plant stamps MID volume with a dominant AIR pathway (99.4% air releases) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 174.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Powerton Generating Station and Dairyland Power Cooperative - Genoa Site.
Pg&e Humboldt Bay Power Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
174K lbs Top 13% higher than 87% 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
Pg&e Humboldt Bay Power Plant: Acetaldehyde-led volume
Among the 513 Electric Utilities facilities in this database, Pg&e Humboldt Bay Power Plant reports the 298th-largest volume (174.2K lbs). Its reported volume is concentrated rather than spread: Acetaldehyde alone is 97.2% of the total. Carcinogen-classified chemicals make up 97.2% of the reported pounds, not just of the chemical count. Scale peers outside California include Powerton Generating Station and Dairyland Power Cooperative - Genoa Site.
Concentrated means ≥60% of Pg&e Humboldt Bay Power Plant's pounds in one chemical - here Acetaldehyde at 97.2%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Pg&e Humboldt Bay Power Plant's total reported releases fell from 33.8 thousand lb in 2022 to 31.4 thousand lb in 2023, based on EPA TRI filings.
- Pg&e Humboldt Bay Power Plant's air releases fell from 33.8 thousand lb in 2022 to 31.4 thousand lb in 2023, based on EPA TRI filings.
Pg&e Humboldt Bay Power Plant Form-R facts
Compare this facility
See how Pg&e Humboldt Bay Power Plant stacks up against nearby facilities and the typical reporter.
68% less 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 Pg&e Humboldt Bay Power Plant releases toxic chemicals into the environment. Total: 174.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 3% (30.6K lbs to 31.4K lbs).
Pg&e Humboldt Bay Power Plant: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Pg&e Humboldt Bay Power Plant year-over-year reported totals (increased by 3% from 2019 to 2023). 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: Acetaldehyde.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 30.6K lbs | 3 |
| 2020 | 36.6K lbs | 3 |
| 2021 | 41.7K lbs | 3 |
| 2022 | 33.8K lbs | 2 |
| 2023 | 31.4K lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Acetaldehyde | 169.3K lbs | Carcinogen |
| Ammonia | 3.7K lbs | - |
| 1,2,4-Trimethylbenzene | 1.1K lbs | - |
Pg&e Humboldt Bay Power Plant · AIR-pathway site
Nearest TRI Facilities to Pg&e Humboldt Bay Power Plant
Closest other reporters in California - including Crystal Creamery Inc. DBA Humboldt Creamery, Humboldt Sawmill Co & Cogeneration Plant, Rumiano Cheese Co, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside California - e.g. Powerton Generating Station, Dairyland Power Cooperative - Genoa Site, Linden Generating Station.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Pg&e Humboldt Bay Power Plant on cumulative reported pounds (174.2K lbs) and distinct chemical count (3). Release-pound peers include Fiber-Tech Industries Ohio, Cie Norfolk Gns LLC, Nordic Fiberglass Inc. 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.
- Fiber-Tech Industries Ohio Washington Court House, OH · Plastics and Rubber 174.2K lbs reported
- Cie Norfolk Gns LLC Norfolk, NE · Chemicals 174.1K lbs reported
- Nordic Fiberglass Inc Warren, MN · Electrical Equipment 174.3K lbs reported
- Boston Whaler Flagler Facility Flagler Beach, FL · Transportation Equipment 174.3K 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 Acetaldehyde, Ammonia, 1,2,4-Trimethylbenzene; nearby reporters include Crystal Creamery Inc. DBA Humboldt Creamery. Pg&e Humboldt Bay Power Plant stamps MID volume · AIR pathway · CARC-HEAVY 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 Pg&e Humboldt Bay Power Plant TRI extract (MID · AIR · CARC-HEAVY · lead Acetaldehyde) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Pg&e Humboldt Bay Power Plant totals are self-reported EPCRA §313 estimates for Eureka, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 24.1% of Humboldt TRI pounds in this extract. Nearest ABS peer: Fiber-Tech Industries Ohio (Δ 32 lbs). Pounds ≠ exposure.
Pg&e Humboldt Bay Power Plant stamps MID volume · AIR pathway · CARC-HEAVY · lead Acetaldehyde. 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