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Clean Air Act stationary source · ICIS-AIR IN0000001814700020

INDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT, Rockport, IN: Clean Air Act compliance record, inspections, violations, penalties

INDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT, at 2791 US HWY 231 N, Rockport in Spencer County, Indiana, is an operating major source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “No Violation Identified”. Spencer County is on EPA’s Green Book list of areas that do not meet a national air quality standard. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.

Identity

Facility as filedINDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT
ICIS-AIR IDIN0000001814700020
EPA facility registry ID110000747924
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address2791 US HWY 231 N, Rockport, IN 47635-8883
CountySpencer County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Utilities (NAICS 2211)
SIC code4911
EPA region05

Cited to the EPA ICIS-AIR facility file (ECHO download).

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs INDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
January 31, 2024FCE On-SiteStateTitle V Permits
December 1, 2022FCE On-SiteStateTitle V Permits
April 20, 2021FCE On-SiteStateTitle V Permits
November 20, 2019FCE On-SiteStateTitle V Permits
November 9, 2018FCE On-SiteStateTitle V Permits
November 8, 2017FCE On-SiteStateTitle V Permits

Violations

A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.

DateWhat EPA recordedAgencyPrograms
January 31, 2024Earliest FRV determinationStateTitle V Permits
June 13, 2023Earliest FRV determinationStateTitle V Permits
December 1, 2022Earliest FRV determinationStateTitle V Permits
May 31, 2022Earliest FRV determinationStateTitle V Permits
April 20, 2021Earliest FRV determinationStateTitle V Permits
July 8, 2019Earliest FRV determinationStateTitle V Permits

Enforcement and penalties

1 formal enforcement actions since January 1, 2017, 0 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.

DateWhat EPA recordedAgencyPenalty, as filed
July 17, 2019Civil Judicial ActionU.S. EPA$0

Informal enforcement

EPA’s informal action file holds no notice or warning for ICIS-AIR IN0000001814700020 since January 1, 2017.

Stack tests

The newest 50 of 51.

DateWhat EPA recordedAgency
December 22, 2025PassState
December 22, 2025PassState
September 24, 2025PassState
September 24, 2025PassState
September 24, 2025PassState
September 23, 2025PassState
September 23, 2025PassState
September 23, 2025PassState
February 22, 2024PassState
February 22, 2024PassState
June 30, 2023PassState
June 30, 2023PassState
December 7, 2022PassState
December 7, 2022PassState
December 7, 2022PassState
December 7, 2022PassState
August 17, 2022PassState
August 17, 2022PassState
August 17, 2022PassState
August 16, 2022PassState
August 16, 2022PassState
August 16, 2022PassState
August 2, 2022PassState
August 2, 2022PassState
March 5, 2021PassState
November 12, 2020PassState
November 12, 2020PassState
October 24, 2018PassState
October 24, 2018PassState
September 14, 2018PassState
September 14, 2018PassState
September 14, 2018PassState
September 12, 2018PassState
September 12, 2018PassState
September 12, 2018PassState
September 6, 2018PassState
June 19, 2018PassState
March 15, 2018PassState
March 14, 2018PassState
December 14, 2017PassState
December 13, 2017PassState
September 7, 2017PassState
September 6, 2017PassState
September 6, 2017PassState
June 29, 2017PassState
June 29, 2017PassState
June 29, 2017PassState
June 29, 2017PassState
February 7, 2017PassState
February 7, 2017PassState

Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110000747924 there.

Nearby on the register

Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.

What this page shows

This page is a Velarion Records public-records register entry for a Clean Air Act stationary source on the EPA's ICIS-AIR register. It lists ICIS-AIR ID IN0000001814700020 and EPA facility registry ID 110000747924 for INDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT in Rockport, IN, with operating status Operating, emissions classification Major source, and current violation status No Violation Ident. The figures listed are 6 compliance evaluations since January 1, 2017, 0 High-priority violations since January 1, 2017, and 1 Formal enforcement actions since January 1, 2017, with the status and classification as EPA's facility file stood when Velarion loaded it on September 14, 2026.