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Electrometallurgical Products, New Johnsonville, Tennessee. NPDES permit TN0001686, in force until May 31, 2028. Last 12 months: over a limit 2 times (last January 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| January 2026 | Solids, total suspended, daily maximum | 1305.66 lb/d | ≤ 317.2 lb/d | 312% |
| January 2026 | Solids, total suspended, monthly average | 349.05 lb/d | ≤ 158.6 lb/d | 120% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Total production - mass | monthly average | report only (lb/d) | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 158.6 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 317.2 lb/d | all year |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 132.2 lb/d | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 264.3 lb/d | all year |
| Manganese, total [as Mn] | monthly average | ≤ 15.8 lb/d | all year |
| Manganese, total [as Mn] | daily maximum | ≤ 31.7 lb/d | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
Cited limits by parameter: Tennessee's rules and the federal ones.
Same industry: the 12 Primary Metal Industries permits in Tennessee.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TN0001686 · MCP: https://passage-data.com/mcp