EPA TRI Facility · Electric Utilities
Nipsco Michigan City Generating Station
Michigan City, IN · Parent: Nisource Inc
- Total releases
- 3.0M lbs
- Chemicals reported
- 19
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Nipsco Michigan City Generating Station: how the 3.0M lbs splits
3.0M lbs across all reported pathways
- Off-site Transfers 3.0M lbs 99.0%
- Air Releases 14.9K lbs 0.5%
- Water Discharges 13.9K lbs 0.5%
Nipsco Michigan City Generating Station's 3.0M lbs Form-R total is OFFSITE - off-site transfers is 99.0% of the bar. Next segment: air releases at 0.5%. Leading chemical by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)).
HEAVY volume OFFSITE pathway TRACE-CARC
Nipsco Michigan City Generating Station is an EPA Toxics Release Inventory reporter in Michigan City, IN, in the electric utilities sector. It reported 643.1K lbs of releases across 13 chemicals in 2023, and 3.0M lbs in total across its 2019-2023 reporting years. That ranks 643 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Indiana's 871 reporting TRI sites, pounds #1 is not chemical-count #1. Nipsco Michigan City Generating Station is pounds #29 and chemical-count #31 at 3.0M lbs. Uss Gary Works leads reported pounds (77.4M lbs) at 36 chemicals (chemical-count #9). Tradebe Treatment & Recycling LLC leads chemical count at 98 chemicals (11.9M lbs, pounds #12). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Wm Technologies LLC; Triplex Plating Co Inc; Phm Brands LLC; Building Materials Manufacturing LLC. Similar-scale Electric Utilities peers outside Indiana: Duke Energy Carolinas LLC - Belews Creek Steam Station; Manitowoc Public Utilities; Westlake US 2 LLC; McDonough/atkinson Steam Electric Generating Plant. Other Nisource Inc sites in this extract: Nipsco R.m.schahfer 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.
Nipsco Michigan City Generating Station stamps HEAVY volume with a dominant OFFSITE pathway (99.0% off-site transfers) across 19 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 3.0M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Duke Energy Carolinas LLC - Belews Creek Steam Station and Manitowoc Public Utilities.
Nipsco Michigan City Generating Station vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
3.0M lbs Top 2% higher than 98% 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
Nipsco Michigan City Generating Station inside Laporte's TRI pounds
Among the 513 Electric Utilities facilities in this database, Nipsco Michigan City Generating Station reports the 114th-largest volume, placing it in the top 22.2% of its sector. This one site accounts for 72.1% of every pound reported in Laporte. Its reported volume is concentrated rather than spread: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) alone is 67.0% of the total. Scale peers outside Indiana include Duke Energy Carolinas LLC - Belews Creek Steam Station and Manitowoc Public Utilities.
County-dominant here means ≥25% of Laporte's reported pounds (4.1M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Nipsco Michigan City Generating Station's total reported releases fell from 681.5 thousand lb in 2022 to 643.1 thousand lb in 2023, based on EPA TRI filings.
- Nipsco Michigan City Generating Station's water releases rose from 3.3 thousand lb in 2022 to 3.6 thousand lb in 2023, based on EPA TRI filings.
- Nipsco Michigan City Generating Station's off-site transfers fell from 675.2 thousand lb in 2022 to 636.4 thousand lb in 2023, based on EPA TRI filings.
- Nipsco Michigan City Generating Station's air releases rose from 3.0 thousand lb in 2022 to 3.1 thousand lb in 2023, based on EPA TRI filings.
Nipsco Michigan City Generating Station Form-R facts
Compare this facility
See how Nipsco Michigan City Generating Station stacks up against nearby facilities and the typical reporter.
414.4× more than the comparison
9.5× 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 Nipsco Michigan City Generating Station releases toxic chemicals into the environment. Total: 3.0M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 64% (392.9K lbs to 643.1K lbs).
Nipsco Michigan City Generating Station: annual Form-R pounds
HEAVY site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020
- 2021
- 2022
- 2023
What this shows Nipsco Michigan City Generating Station year-over-year reported totals (increased by 64% 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 | 392.9K lbs | 13 |
| 2020 | 601.0K lbs | 13 |
| 2021 | 671.9K lbs | 13 |
| 2022 | 681.5K lbs | 13 |
| 2023 | 643.1K lbs | 13 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 19 chemicals are carcinogens. Sorted by total release volume.
Nipsco Michigan City Generating Station · OFFSITE-pathway site
Nearest TRI Facilities to Nipsco Michigan City Generating Station
Closest other reporters in Indiana - including Wm Technologies LLC, Triplex Plating Co Inc, Phm Brands LLC, ordered by distance.
Showing 8 of 870 other reporting facilities in Indiana.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Indiana - e.g. Duke Energy Carolinas LLC - Belews Creek Steam Station, Manitowoc Public Utilities, Westlake US 2 LLC.
Compare beyond Indiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Nipsco Michigan City Generating Station on cumulative reported pounds (3.0M lbs) and distinct chemical count (19). Release-pound peers include Woodland Pulp LLC, Duke Energy Carolinas LLC - Belews Creek Steam Station, Alcoa USA Corp.. Chemical-count peers include Allnex USA Inc. Wallingford Ct Site, Johnson Matthey, Colver Green Energy. 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.
- Woodland Pulp LLC Baileyville, ME · Paper 3.0M lbs reported
- Duke Energy Carolinas LLC - Belews Creek Steam Station Walnut Cove, NC · Electric Utilities 3.0M lbs reported
- Alcoa USA Corp. Massena, NY · Primary Metals 3.0M lbs reported
- Manitowoc Public Utilities Manitowoc, WI · Electric Utilities 3.0M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Nisource Inc Facilities
Same-parent TRI sites ranked by reported releases - including Nipsco R.m.schahfer Generating Station.
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 Wm Technologies LLC. Nipsco Michigan City Generating Station stamps HEAVY volume · OFFSITE 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 Nipsco Michigan City Generating Station TRI extract (HEAVY · OFFSITE · 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.
Nipsco Michigan City Generating Station totals are self-reported EPCRA §313 estimates for Michigan City, IN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 72.1% of Laporte TRI pounds in this extract. Nearest ABS peer: Woodland Pulp LLC (Δ 553 lbs). Pounds ≠ exposure.
Nipsco Michigan City Generating Station stamps HEAVY volume · OFFSITE 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