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Lead And Zinc Ores, major discharger, Carthage, Tennessee. NPDES permit TN0064289, in force until Aug 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 001 |
| Cadmium, total [as Cd] | monthly average | ≤ .05 mg/L | all year | 001 |
| Cadmium, total [as Cd] | monthly average | ≤ .05 mg/L | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | ≤ .1 mg/L | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | ≤ .1 mg/L | all year | 001 |
| Copper, total [as Cu] | monthly average | ≤ .15 mg/L | all year | 001 |
| Copper, total [as Cu] | monthly average | ≤ .15 mg/L | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ .3 mg/L | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ .3 mg/L | all year | 001 |
| Lead, total [as Pb] | monthly average | ≤ .3 mg/L | all year | 001 |
| Lead, total [as Pb] | monthly average | ≤ .3 mg/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ .6 mg/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ .6 mg/L | all year | 001 |
| Zinc, total [as Zn] | monthly average | ≤ .75 mg/L | all year | 001 |
| Zinc, total [as Zn] | monthly average | ≤ .75 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 1.5 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 1.5 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Mercury, total [as Hg] | monthly average | ≤ .001 mg/L | all year | 001 |
| Mercury, total [as Hg] | monthly average | ≤ .001 mg/L | all year | 001 |
| Mercury, total [as Hg] | daily maximum | ≤ .002 mg/L | all year | 001 |
| Mercury, total [as Hg] | daily maximum | ≤ .002 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 002 |
| Cadmium, total [as Cd] | monthly average | ≤ .05 mg/L | all year | 002 |
| Cadmium, total [as Cd] | monthly average | ≤ .05 mg/L | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | ≤ .1 mg/L | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | ≤ .1 mg/L | all year | 002 |
| Copper, total [as Cu] | monthly average | ≤ .15 mg/L | all year | 002 |
| Copper, total [as Cu] | monthly average | ≤ .15 mg/L | all year | 002 |
| Copper, total [as Cu] | daily maximum | ≤ .3 mg/L | all year | 002 |
| Copper, total [as Cu] | daily maximum | ≤ .3 mg/L | all year | 002 |
| Lead, total [as Pb] | monthly average | ≤ .3 mg/L | all year | 002 |
| Lead, total [as Pb] | monthly average | ≤ .3 mg/L | all year | 002 |
| Lead, total [as Pb] | daily maximum | ≤ .6 mg/L | all year | 002 |
| Lead, total [as Pb] | daily maximum | ≤ .6 mg/L | all year | 002 |
| Zinc, total [as Zn] | monthly average | ≤ .75 mg/L | all year | 002 |
| Zinc, total [as Zn] | monthly average | ≤ .75 mg/L | all year | 002 |
| Zinc, total [as Zn] | daily maximum | ≤ 1.5 mg/L | all year | 002 |
| Zinc, total [as Zn] | daily maximum | ≤ 1.5 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Mercury, total [as Hg] | monthly average | ≤ .001 mg/L | all year | 002 |
| Mercury, total [as Hg] | monthly average | ≤ .001 mg/L | all year | 002 |
| Mercury, total [as Hg] | daily maximum | ≤ .002 mg/L | all year | 002 |
| Mercury, total [as Hg] | daily maximum | ≤ .002 mg/L | all year | 002 |
| pH | minimum | ≥ 6 SU (alert, not enforceable) | all year | SW1 |
| pH | maximum | ≤ 9 SU (alert, not enforceable) | all year | SW1 |
| Solids, total suspended | daily maximum | ≤ 150 mg/L (alert, not enforceable) | all year | SW1 |
| Oil & Grease | daily maximum | ≤ 15 mg/L (alert, not enforceable) | all year | SW1 |
Cited limits by parameter: Tennessee's rules and the federal ones.
Same industry: the 10 Metal Mining permits in Tennessee.
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On EPA ECHO: Facility report · DMR history
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