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Of the 56 permits in EPA's SIC 33 in OH, 23 went over a limit between 2025-10-01 and 2026-09-30 (pH: 8; Solids, total suspended: 7; Chlorine, total residual: 4). 4 are past the expiry date EPA's file holds; 23 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.
| Facility | Last 12 months | Permit |
|---|---|---|
| RMI Titanium Company LLC OH0010863 · Nonferrous Rolling And Drawing | Over a limit 33×: BOD, carbonaceous [5 day, 20 C] (12×), Solids, total suspended (7×), E. coli, MTEC-MF (4×) | Expires Jan 31, 2029 |
| Republic Steel - Lorain Plant OH0001562 · major · Blast Furnaces And Steel Mills | Over a limit 8×: Chlorine, total residual (4×), Mercury, total low level (3×), pH (1×) | Renewal application due Feb 2, 2028 |
| Eramet Marietta Inc OH0004006 · major · Electrometallurgical Products | Over a limit 7×: Manganese, total [as Mn] (3×), Solids, total suspended (2×), Chlorine, total residual (1×) | Permit past the expiry date EPA's file holds |
| Worthington Industries Inc OH0122271 · major · Primary Metal Products | Over a limit 7×: Oxygen, dissolved [DO] (6×), Phosphorus, total [as P] (1×) | Expires Feb 28, 2029 |
| Ellwood Engineered Castings OH0011801 · Gray And Ductile Iron Foundries | Over a limit 6×: E. coli, MTEC-MF (2×), Nitrogen, ammonia total [as N] (2×), Oxygen demand, chem. [high level] [COD] (1×) | Expires Oct 31, 2029 |
| McDonald Industrial Land Co OH0064220 · Blast Furnaces And Steel Mills | Over a limit 5×: Oil and grease, hexane extr method (3×), pH (2×) | Expires Dec 31, 2028 |
| Republic Steel OH0006912 · major · Blast Furnaces And Steel Mills | Over a limit 5×: pH (5×) | Expires Apr 30, 2029 |
| Casting Solutions LLC OH0004901 · Gray And Ductile Iron Foundries | Over a limit 4×: Phenolics, total recoverable (4×) | Expires Dec 31, 2030 |
| Cleveland-Cliffs Cleveland Works LLC OH0000957 · major · Blast Furnaces And Steel Mills | Over a limit 4×: Mercury, total low level (1×), pH (1×), Zinc, total [as Zn] (1×) | Expires Feb 28, 2031 |
| Vectren Energy Delivery of Ohio OH0040576 · Aluminum Foundries | Over a limit 4×: Solids, total suspended (4×) | Renewal application due Mar 4, 2028 |
| TimkenSteel Corp. - Canton WWTP OH0004219 · major · Blast Furnaces And Steel Mills | Over a limit 3×: Silver total recoverable (2×), Lead, total recoverable (1×) | Expires Mar 31, 2029 |
| Alliance Tubular Prod LLC/PTC Alliance OH0011878 · Steel Pipe And Tubes | Over a limit 2×: pH (1×), Oil and grease, hexane extr method (1×) | Renewal application due Jan 1, 2027 |
| Marietta Industrial Enterprises OH0059919 · Primary Metal Products | Over a limit 2×: Solids, total suspended (2×) | Renewal application due Jul 4, 2027 |
| Republic Steel Massillon Plant OH0006904 · Cold Finishing Of Steel Shapes | Over a limit 2×: pH (2×) | Expires Jun 30, 2031 |
| U. S. S. Seamless Tubular Operations, LLC, Lorain OH0129003 · major · Steel Pipe And Tubes | Over a limit 2×: Chlorine, total residual (2×) | Renewal application due Feb 2, 2028 |
| Ak Steel Corporation Middletown Works OH0009997 · major · Blast Furnaces And Steel Mills | Over a limit 1×: Zinc, total [as Zn] (1×) | Renewal application overdue |
| Buckeye Transfer Realty LLC OH0011452 · Aluminum Extruded Products | Over a limit 1×: Solids, total suspended (1×) | Renewal application due Dec 2, 2026 |
| General Motors LLC OH0132527 · Aluminum Foundries | Over a limit 1×: pH (1×) | Renewal application due May 4, 2027 |
| Greer Steel Co OH0005606 · Cold Finishing Of Steel Shapes | Over a limit 1×: Chlorine, total residual (1×) | Expires May 31, 2029 |
| Mahle Engine Components USA Inc OH0127701 · Secondary Nonferrous Metals | Over a limit 1×: Copper, total recoverable (1×) | Renewal application due Nov 2, 2027 |
| Therm-O-Link, Inc. OH0121550 · Nonferrous Wiredrawing & Insulating | Over a limit 1×: Solids, total suspended (1×) | Expires Jul 31, 2031 |
| Titanium Metals Corp Toronto Plant OH0010910 · major · Nonferrous Rolling And Drawing | Over a limit 1×: pH (1×) | Expires May 31, 2029 |
| Wieland Chase OH0002941 · Copper Rolling And Drawing | Over a limit 1×: Solids, total suspended (1×) | Expires Mar 31, 2030 |
| AK Steel Corporation OH0006840 · major · Blast Furnaces And Steel Mills | No value over a limit | Expires Oct 31, 2028 |
| AK Steel Corporation OH0006858 · major · Cold Finishing Of Steel Shapes | No value over a limit | Renewal application due Jan 2, 2028 |
| AMG Vanadium LLC OH0114847 · Electrometallurgical Products | No value over a limit | Expires Mar 31, 2030 |
| ArcelorMittal Tubular Products USA LLC Shelby OH0008338 · major · Steel Pipe And Tubes | No value over a limit | Expires Oct 31, 2029 |
| B W Supply OH0138347 · Gray And Ductile Iron Foundries | No value over a limit | Expires Jan 31, 2031 |
| BDM Warren Steel OH0101079 · major · Blast Furnaces And Steel Mills | No value over a limit | Permit past the expiry date EPA's file holds |
| Brush Wellman Inc OH0002518 · major · Primary Copper | No value over a limit; 10 required values not reported | Permit past the expiry date EPA's file holds |
| Charter Steel OH0147222 · Blast Furnaces And Steel Mills | No value over a limit | Permit past the expiry date EPA's file holds |
| Cleveland-Cliffs Cleveland Works LLC - Warren OH0011274 · major · Blast Furnaces And Steel Mills | No value over a limit | Expires Jun 30, 2030 |
| Cleveland-Cliffs Steel Corporation Coshocton Works OH0004260 · major · Cold Finishing Of Steel Shapes | No value over a limit | Expires Oct 31, 2029 |
| Concast Metal Prods Co OH0151645 · Copper Foundries | No value over a limit | Renewal application due Feb 2, 2028 |
| Eckart America LP OH0114511 · Primary Metal Products | No value over a limit; 8 required values not reported | Renewal application due Aug 4, 2027 |
| Elyria Foundry Company LLC OH0101036 · Gray And Ductile Iron Foundries | No value over a limit | Expires Feb 28, 2030 |
| Falcon Foundry Co OH0143081 · Copper Foundries | No value over a limit | Expires Jun 30, 2029 |
| General Die Casters OH0092126 · Aluminum Die-Castings | No value over a limit | Renewal application overdue |
| General Motors LLC - Defiance OH0002666 · major · Aluminum Foundries | No value over a limit | Expires May 31, 2030 |
| Globe Metallurigal Inc OH0007498 · Electrometallurgical Products | No value over a limit | Renewal application due Sep 2, 2027 |
| Hannibal Development Partners OH0011550 · major · Primary Aluminum | No value over a limit; 88 required values not reported | Renewal application due Dec 3, 2027 |
| Haverhill North Coke Co OH0145033 · Blast Furnaces And Steel Mills | No value over a limit | Renewal application due Jul 4, 2027 |
| Imperial Zinc Corp OH0139408 · Secondary Nonferrous Metals | No value over a limit | Renewal application due Mar 4, 2027 |
| IronUnits LLC OH0146633 · Blast Furnaces And Steel Mills | No value over a limit | Expires Aug 31, 2029 |
| JSW Steel USA Ohio, Inc. OH0011355 · major · Blast Furnaces And Steel Mills | No value over a limit | Expires Aug 31, 2030 |
| MIBA SINTER US LLC OH0139807 · Primary Metal Products | No value over a limit | Expires Mar 31, 2031 |
| McWane Ductile Ohio OH0094455 · Gray And Ductile Iron Foundries | No value over a limit; 1 required values not reported | Renewal application overdue |
| North Star Bluescope Steel LLC OH0122386 · major · Blast Furnaces And Steel Mills | No value over a limit | Expires Jan 31, 2029 |
| Nucor Steel Marion OH0138789 · Blast Furnaces And Steel Mills | No value over a limit | Renewal application due Mar 4, 2028 |
| Republic Steel OH0151613 · Blast Furnaces And Steel Mills | No value over a limit | Renewal application due Mar 4, 2027 |
| Severstal Wheeling Inc OH0120588 · major · Blast Furnaces And Steel Mills | No value over a limit | Renewal application due Jun 3, 2027 |
| Shelby Welded Tube OH0150614 · Steel Pipe And Tubes | No value over a limit | Expires May 31, 2031 |
| Superior Forge & Steel Corporation OH0095346 · Blast Furnaces And Steel Mills | No value over a limit | Expires May 31, 2031 |
| The Quality Castings Company OH0126322 · Gray And Ductile Iron Foundries | No value over a limit | Renewal application due Dec 3, 2027 |
| Thermal Treatment Center, Inc. OH0131598 · Metal Heat Treating | No value over a limit | Renewal application due Oct 3, 2027 |
| Tri - Cast Ltd OH0137057 · Gray And Ductile Iron Foundries | No value over a limit | Expires Oct 31, 2028 |
The record is EPA's ICIS-NPDES file of 2026-10-15: values filed against each limit between Oct 1, 2025 and Sep 30, 2026. No reports on file may be EPA's gap, not the facility's.
For programs and AI agents: this screen as JSON at /api/v1/permits?state=OH&sic=33, narrowed with &over_limit=true, ¶meter=phosphorus or &renewal=due; or add https://passage-data.com/mcp as a remote MCP server (tool list_permits). Free, no key. llms.txt
From EPA's ECHO data, not the permit document itself: your permit is the final word. All states