EPA TRI Facility · Electric Utilities
Dominion Energy of South Carolina - Williams Station Genco
Goose Creek, SC · Parent: Genco
- Total releases
- 1.8M lbs
- Chemicals reported
- 21
- Carcinogens
- 3
- Primary pathway
- Off-site Transfers
MIXED Form-R mix
Dominion Energy of South Carolina - Williams Station Genco: how the 1.8M lbs splits
1.8M lbs across all reported pathways
- Off-site Transfers 882.8K lbs 49.2%
- Air Releases 670.5K lbs 37.4%
- Water Discharges 240.6K lbs 13.4%
- Land Disposal 4 lbs <0.1%
Dominion Energy of South Carolina - Williams Station Genco's 1.8M lbs Form-R total is MIXED - off-site transfers is 49.2% of the bar. Next segment: air releases at 37.4%. Leading chemical by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
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.
HEAVY volume MIXED pathway CARC-LEAN
Dominion Energy of South Carolina - Williams Station Genco is an EPA Toxics Release Inventory reporter in Goose Creek, SC, in the electric utilities sector. It reported 420.1K lbs of releases across 14 chemicals in 2023, and 1.8M lbs in total across its 2019-2023 reporting years. That ranks 918 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In South Carolina's 574 reporting TRI sites, pounds #1 is not chemical-count #1. Dominion Energy of South Carolina - Williams Station Genco is pounds #25 and chemical-count #12 at 1.8M lbs. Oceanagold Haile Gold Mine leads reported pounds (30.2M lbs) at 19 chemicals (chemical-count #14). Giant Cement Co leads chemical count at 90 chemicals (53.3K lbs, pounds #185). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Nexans High Voltage USA Inc; Symrise Inc; Du Pont Cooper River Plant; Cooper River Partners LLC. Similar-scale Electric Utilities peers outside South Carolina: Ebensburg Power Co; John Twitty Energy Center; Coronado Generating Station; Florida Power & Light-West County Energy Center Plant. Largest disclosed chemicals by pounds: Sulfuric 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)); Zinc compounds; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
Dominion Energy of South Carolina - Williams Station Genco is a HEAVY · MIXED-pathway Form-R site in Goose Creek, SC: 1.8M lbs across 21 chemicals (3 carcinogen-classified, CARC-LEAN). No single media clears 70% of the bar (lead segment off-site transfers at 49.2%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Ebensburg Power Co and John Twitty Energy Center.
Dominion Energy of South Carolina - Williams Station Genco vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.8M lbs Top 4% higher than 96% 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
Dominion Energy of South Carolina - Williams Station Genco in the Electric Utilities sector extract
Among the 513 Electric Utilities facilities in this database, Dominion Energy of South Carolina - Williams Station Genco reports the 155th-largest volume (1.8M lbs). Scale peers outside South Carolina include Ebensburg Power Co and John Twitty Energy Center.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Dominion Energy of South Carolina - Williams Station Genco's total reported releases rose from 291.3 thousand lb in 2022 to 420.1 thousand lb in 2023, based on EPA TRI filings.
- Dominion Energy of South Carolina - Williams Station Genco's off-site transfers rose from 132.2 thousand lb in 2022 to 236.0 thousand lb in 2023, based on EPA TRI filings.
- Dominion Energy of South Carolina - Williams Station Genco's air releases rose from 117.0 thousand lb in 2022 to 147.3 thousand lb in 2023, based on EPA TRI filings.
- Dominion Energy of South Carolina - Williams Station Genco's water releases fell from 42.1 thousand lb in 2022 to 36.8 thousand lb in 2023, based on EPA TRI filings.
Dominion Energy of South Carolina - Williams Station Genco Form-R facts
Compare this facility
See how Dominion Energy of South Carolina - Williams Station Genco stacks up against nearby facilities and the typical reporter.
1708520.4× more than the comparison
10.5× 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 Dominion Energy of South Carolina - Williams Station Genco releases toxic chemicals into the environment. Total: 1.8M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 1% (414.4K lbs to 420.1K lbs).
Dominion Energy of South Carolina - Williams Station Genco: annual Form-R pounds
HEAVY site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Dominion Energy of South Carolina - Williams Station Genco year-over-year reported totals (increased by 1% 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: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 414.4K lbs | 14 |
| 2020 | 319.8K lbs | 14 |
| 2021 | 348.4K lbs | 14 |
| 2022 | 291.3K lbs | 14 |
| 2023 | 420.1K lbs | 14 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 3 of 21 chemicals are carcinogens. Sorted by total release volume.
Dominion Energy of South Carolina - Williams Station Genco in Berkeley
Nearest TRI Facilities to Dominion Energy of South Carolina - Williams Station Genco
Closest other reporters in South Carolina - including Nexans High Voltage USA Inc, Symrise Inc, Du Pont Cooper River Plant, ordered by distance.
Showing 8 of 573 other reporting facilities in South Carolina.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside South Carolina - e.g. Ebensburg Power Co, John Twitty Energy Center, Coronado Generating Station.
Compare beyond South Carolina
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Dominion Energy of South Carolina - Williams Station Genco on cumulative reported pounds (1.8M lbs) and distinct chemical count (21). Release-pound peers include Bunge N.a. (opd West) Inc., Deer Park_tx (roh), Cargill Corn Milling North America. Chemical-count peers include Clean Earth of North Jersey Inc, Cleveland-Cliffs Monessen Coke LLC, Uss Mon Valley Works - Edgar Thomson 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).
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 Sulfuric 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)), Zinc compounds, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); nearby reporters include Nexans High Voltage USA Inc. Dominion Energy of South Carolina - Williams Station Genco stamps HEAVY volume · MIXED 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 Dominion Energy of South Carolina - Williams Station Genco TRI extract (HEAVY · MIXED · CARC-LEAN · lead Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Dominion Energy of South Carolina - Williams Station Genco totals are self-reported EPCRA §313 estimates for Goose Creek, SC, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 6.2% of Berkeley TRI pounds in this extract. Nearest ABS peer: Bunge N.a. (opd West) Inc. (Δ 430 lbs). Pounds ≠ exposure.
Dominion Energy of South Carolina - Williams Station Genco stamps HEAVY · MIXED pathway (off-site transfers leads at 49.2%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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