EPA TRI Facility · Electric Utilities
Iatan Generating Station
Weston, MO · Parent: Evergy Inc
- Total releases
- 6.5M lbs
- Chemicals reported
- 23
- Carcinogens
- 5
- Primary pathway
- Land Disposal
LAND Form-R mix
Iatan Generating Station: how the 6.5M lbs splits
6.5M lbs across all reported pathways
- Land Disposal 6.3M lbs 96.8%
- Air Releases 211.7K lbs 3.2%
- Water Discharges 19 lbs <0.1%
Iatan Generating Station's 6.5M lbs Form-R total is LAND - land disposal is 96.8% of the bar. Next segment: air releases at 3.2%. 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.
HEAVY volume LAND pathway TRACE-CARC
Iatan Generating Station is an EPA Toxics Release Inventory reporter in Weston, MO, in the electric utilities sector. It reported 864.7K lbs of releases across 15 chemicals in 2023, and 6.5M lbs in total across its 2019-2023 reporting years. That ranks 316 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. Iatan Generating Station is pounds #8 and chemical-count #10 at 6.5M 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: Biozyme Inc; Clarios Distribution Center; Sealed Air Corp; Bluescope Buildings N.a. Inc.. Similar-scale Electric Utilities peers outside Missouri: Aes Puerto Rico LP; Rockport Plant; Pacificorp Hunter Plant; Green Power Solutions of Georgia. Other Evergy Inc sites in this extract: Jeffrey Energy Center; La Cygne Generating Station; Lawrence Energy Center; Hawthorn Generating Station. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Barium And Barium Compounds; Vanadium compounds; Manganese compounds.
Iatan Generating Station stamps HEAVY volume with a dominant LAND pathway (96.8% land disposal) across 23 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 6.5M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Aes Puerto Rico LP and Rockport Plant.
Iatan Generating Station vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
6.5M lbs Top 1% higher than 99% 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
Iatan Generating Station inside Platte's TRI pounds
Among the 513 Electric Utilities facilities in this database, Iatan Generating Station reports the 57th-largest volume, placing it in the top 11.1% of its sector. This one site accounts for 99.5% of every pound reported in Platte. Scale peers outside Missouri include Aes Puerto Rico LP and Rockport Plant.
County-dominant here means ≥25% of Platte's reported pounds (6.6M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Iatan Generating Station's total reported releases fell from 1.3 million lb in 2022 to 864.7 thousand lb in 2023, based on EPA TRI filings.
- Iatan Generating Station's land releases fell from 1.2 million lb in 2022 to 834.1 thousand lb in 2023, based on EPA TRI filings.
- Iatan Generating Station's air releases fell from 40.1 thousand lb in 2022 to 30.6 thousand lb in 2023, based on EPA TRI filings.
- Iatan Generating Station's chemicals reported fell from 16 in 2022 to 15 in 2023, based on EPA TRI filings.
Iatan Generating Station Form-R facts
Compare this facility
See how Iatan Generating Station stacks up against nearby facilities and the typical reporter.
1109.4× more than the comparison
7.7× 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 Iatan Generating Station releases toxic chemicals into the environment. Total: 6.5M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 50% (1.7M lbs to 864.7K lbs).
Iatan Generating Station: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Iatan Generating Station year-over-year reported totals (decreased by 50% 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 | 1.7M lbs | 14 |
| 2020 | 1.3M lbs | 14 |
| 2021 | 1.4M lbs | 16 |
| 2022 | 1.3M lbs | 16 |
| 2023 | 864.7K lbs | 15 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 5 of 23 chemicals are carcinogens. Sorted by total release volume.
Iatan Generating Station · LAND-pathway site
Nearest TRI Facilities to Iatan Generating Station
Closest other reporters in Missouri - including Biozyme Inc, Clarios Distribution Center, Sealed Air Corp, 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. Aes Puerto Rico LP, Rockport Plant, Pacificorp Hunter Plant.
Compare beyond Missouri
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Iatan Generating Station on cumulative reported pounds (6.5M lbs) and distinct chemical count (23). Release-pound peers include Aes Puerto Rico LP, Nucor Steel, Rockport Plant. Chemical-count peers include Woodland Pulp LLC, Brenntag Northeast LLC, Aes Warrior Run 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Evergy Inc Facilities
Same-parent TRI sites ranked by reported releases - including Jeffrey Energy Center, La Cygne Generating Station, Lawrence 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, Vanadium compounds, Manganese compounds; nearby reporters include Biozyme Inc. Iatan Generating Station stamps HEAVY 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 Iatan Generating Station TRI extract (HEAVY · 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.
Iatan Generating Station totals are self-reported EPCRA §313 estimates for Weston, MO, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 99.5% of Platte TRI pounds in this extract. Nearest ABS peer: Aes Puerto Rico LP (Δ 13.1K lbs). Pounds ≠ exposure.
Iatan Generating Station stamps HEAVY 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