Non-Compliance
TRI Reporter
Clean Air Act
RCRA
SUNCOKE ENERGY MIDDLETOWN OPERATIONS
Quick Summary
- •Released 197,893 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
3353 YANKEE ROAD
MIDDLETOWN, OH 45044
View on map ↗ - County
- BUTLER County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 324199
- Inspections
- 4 · last Jun 3, 2025
- Total Penalties
- $0
- Registry ID
- 110046371500
How This Compares
#46
of 1,142 TRI reporters in OH
#709
of 16,877 TRI reporters in Manufacturing
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
6
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
4
Hazardous Waste (RCRA)
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
Emissions Trend (2015–2024)
+106% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 39,506 | — |
| 2016 | 41,249 | +4% |
| 2017 | 197,893 | +380% |
| 2018 | 124,264 | -37% |
| 2019 | 318,298 | +156% |
| 2020 | 163,764 | -49% |
| 2021 | 100,367 | -39% |
| 2022 | 60,869 | -39% |
| 2023 | 48,934 | -20% |
| 2024 | 81,320 | +66% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 52,320 | 52,320 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 27,720 | 27,720 | — | — | — | |
| Hydrogen fluoride | 1,131 | 1,131 | — | — | — | |
| Lead compounds | 126 | 126 | — | — | 3,132 | |
| Mercury compounds | 22 | 22 | — | — | 26 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 27,720 | 27,720 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 19,584 | 19,584 | — | — | — | |
| Hydrogen fluoride | 1,423 | 1,423 | — | — | — | |
| Lead compounds | 164 | 164 | — | — | 3,120 | |
| Mercury compounds | 43 | 43 | — | — | 25 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 33,486 | 33,486 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 25,800 | 25,800 | — | — | — | |
| Hydrogen fluoride | 1,422 | 1,422 | — | — | — | |
| Lead compounds | 132 | 132 | — | — | 3,230 | |
| Mercury compounds | 28 | 28 | — | — | 39 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 70,012 | 70,012 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 28,760 | 28,760 | — | — | — | |
| Hydrogen fluoride | 1,395 | 1,395 | — | — | — | |
| Lead compounds | 173 | 173 | — | — | 3,208 | |
| Mercury compounds | 28 | 28 | — | — | 43 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 124,760 | 124,760 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 36,560 | 36,560 | — | — | — | |
| Hydrogen fluoride | 2,153 | 2,153 | — | — | — | |
| Lead compounds | 262 | 262 | — | — | 2,852 | |
| Mercury compounds | 29 | 29 | — | — | 36 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 248,940 | 248,940 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 64,346 | 64,346 | — | — | — | |
| Hydrogen fluoride | 4,413 | 4,413 | — | — | — | |
| Lead compounds | 547 | 547 | — | — | 2,915 | |
| Mercury compounds | 52 | 52 | — | — | 139 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 97,860 | 97,860 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 24,718 | 24,718 | — | — | — | |
| Hydrogen fluoride | 1,459 | 1,459 | — | — | — | |
| Lead compounds | 196 | 196 | — | — | 4,007 | |
| Mercury compounds | 31 | 31 | — | — | 161 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 145,142 | 145,142 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 50,440 | 50,440 | — | — | — | |
| Hydrogen fluoride | 2,039 | 2,039 | — | — | — | |
| Lead compounds | 251 | 251 | — | — | 3,128 | |
| Mercury compounds | 21 | 21 | — | — | 104 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 33,670 | 33,670 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 7,020 | 7,020 | — | — | — | |
| Lead compounds | 540 | 540 | — | — | 3,089 | |
| Mercury compounds | 19 | 19 | — | — | 147 |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 32,598 | 32,598 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 6,750 | 6,750 | — | — | — | |
| Lead compounds | 144 | 144 | — | — | 3,508 | |
| Mercury compounds | 14 | 14 | — | — | 99 |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Hydrogen fluoride | — | — | — | 27,409 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 1,594,212 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 375,670 |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
HERITAGE ENVIRONMENTAL SERVICES LLC
INDIANAPOLIS, IN
|
Lead compounds | 3 | — | — | — |
|
MICHIGAN DISPOSAL INC
BELLEVILLE, MI
|
Lead compounds | 1 | — | — | — |
|
VALICOR ENVIRONMENTAL SERVICES LLC
MONROE, OH
|
Lead compounds | 3,128 | — | — | — |
|
MICHIGAN DISPOSAL INC
BELLEVILLE, MI
|
Mercury compounds | 0 | — | — | — |
|
VALICOR ENVIRONMENTAL SERVICES LLC
MONROE, OH
|
Mercury compounds | 26 | — | — | — |
Transfers to Publicly-Owned Treatment Works (POTWs)
Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.
| Chemical | Transferred (lbs) | POTW |
|---|---|---|
| Mercury compounds | 0 | MIDDLETOWN WASTEWATER TREATMENT PLANT, MIDDLETOWN |
| Lead compounds | — | MIDDLETOWN WASTEWATER TREATMENT PLANT, MIDDLETOWN |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| caa | FRV | Mar 16, 2026 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jun 3, 2025 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Jun 3, 2025 | Jul 2, 2025 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Jun 3, 2025 | Jul 9, 2025 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Jun 3, 2025 | Jun 19, 2025 | Resolved |
| rcra | EPA Administered Permit Programs: the HW Permit Program General Information | Jun 3, 2025 | — | Open |
| rcra | EPA Administered Permit Programs: the HW Permit Program Permit Application | Jun 3, 2025 | — | Open |
| caa | FRV | Jul 14, 2023 | — | Open |
| caa | FRV | Mar 12, 2021 | — | Open |
| caa | FRV | Mar 12, 2021 | — | Open |
| caa | FRV | Sep 11, 2018 | — | Open |
| caa | FRV | Jun 17, 2016 | — | Open |
| caa | FRV | Jun 17, 2016 | — | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
Notice of Violation
Clean Air Act
· Case 3604840703 · Mar 10, 2026
INITIAL 3008(A) COMPLIANCE
RCRA (Hazardous Waste)
· Case RCRA-OHR000158865-002 · Oct 10, 2025
$24,400
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-OHR000158865-001 · Jul 9, 2025
Notice of Violation
Clean Air Act
· Case 3603572469 · Apr 10, 2023
Notice of Violation
Clean Air Act
· Case 3602442407 · Mar 4, 2021
Notice of Violation
Clean Air Act
· Case 3602425152 · Feb 19, 2021
Notice of Violation
Clean Air Act
· Case 3601970298 · Sep 12, 2019
Notice of Violation
Clean Air Act
· Case 3600157151 · Jun 15, 2015
Notice of Violation
Clean Air Act
· Case 3600086296 · Oct 8, 2014
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