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Of the 12 permits in EPA's SIC 33 in TN, 5 went over a limit between 2025-10-01 and 2026-09-30 (Solids, total suspended: 2; Aluminum, total [as Al]: 1; BOD, 5-day, 20 deg. C: 1). 1 is past the expiry date EPA's file holds; 7 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.
All Tennessee permitsAll states
| Facility | Last 12 months | Permit |
|---|---|---|
| Scepter, Inc. TN0002526 · Secondary Nonferrous Metals | Over a limit 8×: Aluminum, total [as Al] (4×), Nitrogen, ammonia total [as N] (3×), Solids, total suspended (1×) | Renewal application due Mar 4, 2028 |
| Arconic US LLC TN0067199 · major · Aluminum Sheet, Plate, And Foil | Over a limit 6×: Polychlorinated biphenyls [PCBs] (4×), BOD, carbonaceous [5 day, 20 C] (2×) | Renewal application due Jul 4, 2027 |
| Artazn LLC TN0001899 · major · Secondary Nonferrous Metals | Over a limit 2×: BOD, 5-day, 20 deg. C (1×), pH (1×) | Expires Dec 31, 2030 |
| Vibrantz Specialty Products LLC TN0001686 · Electrometallurgical Products | Over a limit 2×: Solids, total suspended (2×) | Renewal application due Dec 3, 2027 |
| Nucor Steel Memphis, Inc. TN0080403 · Blast Furnaces And Steel Mills | Over a limit 1×: Oil & Grease (1×) | Expires Dec 31, 2030 |
| Alcoa Business Park LLC TN0082007 · Primary Aluminum | No value over a limit | Renewal application due Jul 4, 2027 |
| Arconic US LLC TN0065081 · major · Secondary Nonferrous Metals | No value over a limit | Renewal application due Jul 4, 2027 |
| BWXT Ordnance Tennessee, Inc. TN0057983 · Nonferrous Foundries | No value over a limit; 3 required values not reported | Expires Dec 31, 2030 |
| Bonnell Aluminum, Inc TN0002593 · Aluminum Extruded Products | No value over a limit | Renewal application due Dec 2, 2026 |
| CMC Steel US, LLC TN0027804 · Blast Furnaces And Steel Mills | No value over a limit | Renewal application due Nov 1, 2026 |
| Granges Americas Inc. TN0003221 · Aluminum Sheet, Plate, And Foil | No value over a limit | Expires Nov 30, 2030 |
| Smelter Service Corp. TN0078573 · Secondary Nonferrous Metals | No value over a limit | Permit past the expiry date EPA's file holds |
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=TN&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