EPA TRI Facility · Electric Utilities
Ameren Missouri Meramec Energy Center
Saint Louis, MO · Parent: Ameren Corp
- Total releases
- 516.3K lbs
- Chemicals reported
- 17
- Carcinogens
- 4
- Primary pathway
- Land Disposal
LAND Form-R mix
Ameren Missouri Meramec Energy Center: how the 516.3K lbs splits
516.3K lbs across all reported pathways
- Land Disposal 495.4K lbs 95.9%
- Air Releases 20.5K lbs 4.0%
- Water Discharges 476 lbs 0.1%
- Off-site Transfers 3 lbs <0.1%
Ameren Missouri Meramec Energy Center's 516.3K lbs Form-R total is LAND - land disposal is 95.9% of the bar. Next segment: air releases at 4.0%. Leading chemical by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)).
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 LAND pathway TRACE-CARC
Ameren Missouri Meramec Energy Center is an EPA Toxics Release Inventory reporter in Saint Louis, MO, in the electric utilities sector. It reported 516.3K lbs of releases across 17 chemicals, summed over every year it filed. That ranks 1,906 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Missouri's 491 reporting TRI sites, pounds #1 is not chemical-count #1. Ameren Missouri Meramec Energy Center is pounds #54 and chemical-count #22 at 516.3K lbs. Buick Mine/mill leads reported pounds (48.2M lbs) at 8 chemicals (chemical-count #66). Buzzi Unicem Usa-Cape Girardeau leads chemical count at 87 chemicals (904.5K lbs, pounds #44). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Superior Industrial Solutions Inc.; Metal Container Corp - Arnold Can Plant; Masterchem Industries (behr LLC -- St Louis); Jd Streett & Co. Similar-scale Electric Utilities peers outside Missouri: Arizona Electric Power Cooperative Inc; Southwestern Public Service Co Harrington Station; Hardin Generating Station; Baldwin Energy Complex. Other Ameren Corp sites in this extract: Ameren Missouri Labadie Energy Center; Ameren Missouri Sioux Energy Center; Ameren Missouri Rush Island Energy Center. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Barium And Barium Compounds; Hydrogen fluoride; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
Ameren Missouri Meramec Energy Center stamps MID volume with a dominant LAND pathway (95.9% land disposal) across 17 chemicals · 4 carcinogen-classified. Cumulative Form-R extract: 516.3K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Arizona Electric Power Cooperative Inc and Southwestern Public Service Co Harrington Station.
Ameren Missouri Meramec Energy Center vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
516K lbs Top 7% higher than 93% 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
Ameren Missouri Meramec Energy Center: Barium compounds (except for barium sulfate (CAS No. 7727-43-7))-led volume
Among the 513 Electric Utilities facilities in this database, Ameren Missouri Meramec Energy Center reports the 240th-largest volume (516.3K lbs). Its reported volume is concentrated rather than spread: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) alone is 86.1% of the total. Scale peers outside Missouri include Arizona Electric Power Cooperative Inc and Southwestern Public Service Co Harrington Station.
Concentrated means ≥60% of Ameren Missouri Meramec Energy Center's pounds in one chemical - here Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) at 86.1%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Ameren Missouri Meramec Energy Center's total reported releases fell from 55.6 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Ameren Missouri Meramec Energy Center's air releases fell from 6.6 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Ameren Missouri Meramec Energy Center's land releases fell from 49.0 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Ameren Missouri Meramec Energy Center's chemicals reported fell from 13 in 2022 to 10 in 2023, based on EPA TRI filings.
Ameren Missouri Meramec Energy Center Form-R facts
Compare this facility
See how Ameren Missouri Meramec Energy Center stacks up against nearby facilities and the typical reporter.
12.4× more than the comparison
23% less 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 Ameren Missouri Meramec Energy Center releases toxic chemicals into the environment. Total: 516.3K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 100% (189.7K lbs to 0 lbs).
Ameren Missouri Meramec Energy Center: annual Form-R pounds
MID site · LAND pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Ameren Missouri Meramec Energy Center year-over-year reported totals (decreased by 100% 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: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 189.7K lbs | 5 |
| 2020 | 35.4K lbs | 3 |
| 2021 | 235.7K lbs | 5 |
| 2022 | 55.6K lbs | 13 |
| 2023 | 0 lbs | 10 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 4 of 17 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 444.7K lbs | - |
| Barium And Barium Compounds | 42.8K lbs | - |
| Hydrogen fluoride | 14.7K lbs | - |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4.8K lbs | - |
| Lead compounds | 2.8K lbs | - |
| Vanadium compounds | 1.6K lbs | - |
| Zinc compounds | 1.2K lbs | - |
| Copper And Copper Compounds | 1.1K lbs | - |
| Manganese And Manganese Compounds | 902 lbs | - |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 517 lbs | - |
| Nickel And Nickel Compounds | 468 lbs | Carcinogen |
| Lead And Lead Compounds | 349 lbs | - |
| Cobalt And Cobalt Compounds | 213 lbs | Carcinogen |
| Arsenic And Arsenic Compounds | 167 lbs | Carcinogen |
| Mercury compounds | 64 lbs | - |
| Mercury And Mercury Compounds | 6 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
Ameren Missouri Meramec Energy Center · LAND-pathway site
Nearest TRI Facilities to Ameren Missouri Meramec Energy Center
Closest other reporters in Missouri - including Superior Industrial Solutions Inc., Metal Container Corp - Arnold Can Plant, Masterchem Industries (behr LLC -- St Louis), ordered by distance.
Showing 8 of 490 other reporting facilities in Missouri.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Missouri - e.g. Arizona Electric Power Cooperative Inc, Southwestern Public Service Co Harrington Station, Hardin Generating Station.
Compare beyond Missouri
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Ameren Missouri Meramec Energy Center on cumulative reported pounds (516.3K lbs) and distinct chemical count (17). Release-pound peers include The Andersons Inc. - Gibbon, Southwire Co, Aalberts Bassett. Chemical-count peers include Astro Chemicals Inc, Doremus Terminal LLC, Rq Resins 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Ameren Corp Facilities
Same-parent TRI sites ranked by reported releases - including Ameren Missouri Labadie Energy Center, Ameren Missouri Sioux Energy Center, Ameren Missouri Rush Island Energy Center.
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 Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Barium And Barium Compounds, Hydrogen fluoride, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); nearby reporters include Superior Industrial Solutions Inc.. Ameren Missouri Meramec Energy Center stamps MID volume · LAND 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 Ameren Missouri Meramec Energy Center TRI extract (MID · LAND · TRACE-CARC · lead Barium compounds (except for barium sulfate (CAS No. 7727-43-7))) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Ameren Missouri Meramec Energy Center totals are self-reported EPCRA §313 estimates for Saint Louis, MO, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 8.4% of St Louis (city) TRI pounds in this extract. Nearest ABS peer: The Andersons Inc. - Gibbon (Δ 246 lbs). Pounds ≠ exposure.
Ameren Missouri Meramec Energy Center stamps MID volume · LAND pathway · TRACE-CARC · lead Barium compounds (except for barium sulfate (CAS No. 7727-43-7)). 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