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Lead And Zinc Ores, major discharger, New Market, Tennessee. NPDES permit TN0027677, in force until Jun 30, 2029. 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 | maximum | ≤ 9 SU | 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 |
| Oil and grease [soxhlet extr.] tot. | monthly average | ≤ 10 mg/L | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 20 mg/L | all year | 001 |
| Cadmium, total [as Cd] | monthly average | ≤ 3.2 ug/L | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | ≤ 30.02 ug/L | all year | 001 |
| Copper, total [as Cu] | monthly average | ≤ .104 mg/L | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ .177 mg/L | all year | 001 |
| Lead, total [as Pb] | monthly average | ≤ .0736 mg/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ .6 mg/L | all year | 001 |
| Zinc, total [as Zn] | monthly average | ≤ .5 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 1 mg/L | all year | 001 |
| Selenium, total [as Se] | monthly average | ≤ 3.7 ug/L | all year | 001 |
| Selenium, total [as Se] | daily maximum | ≤ 23.7 ug/L | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 001 |
| Mercury, total [as Hg] | monthly average | ≤ .05 ug/L | all year | 001 |
| Mercury, total [as Hg] | daily maximum | ≤ .1 ug/L | all year | 001 |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | ≥ 75 % | all year | 001 |
| IC25 Static Renewal 7 Day Chronic Pimephales | minimum | ≥ 75 % | all year | 001 |
| pH | minimum | ≥ 6 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 | daily maximum | ≤ 30 mg/L | all year | 002 |
| Oil and grease [soxhlet extr.] tot. | monthly average | ≤ 10 mg/L | all year | 002 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 20 mg/L | all year | 002 |
| Cadmium, total [as Cd] | monthly average | ≤ 3.2 ug/L | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | ≤ 30.02 ug/L | all year | 002 |
| Copper, total [as Cu] | monthly average | ≤ .104 mg/L | all year | 002 |
| Copper, total [as Cu] | daily maximum | ≤ .177 mg/L | all year | 002 |
| Lead, total [as Pb] | monthly average | ≤ .0736 mg/L | all year | 002 |
| Lead, total [as Pb] | daily maximum | ≤ .6 mg/L | all year | 002 |
| Zinc, total [as Zn] | monthly average | ≤ .5 mg/L | all year | 002 |
| Zinc, total [as Zn] | daily maximum | ≤ 1 mg/L | all year | 002 |
| Selenium, total [as Se] | monthly average | ≤ 3.7 ug/L | all year | 002 |
| Selenium, total [as Se] | daily maximum | ≤ 23.7 ug/L | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 002 |
| Mercury, total [as Hg] | monthly average | ≤ .05 ug/L | all year | 002 |
| Mercury, total [as Hg] | daily maximum | ≤ .1 ug/L | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 003 |
| Oil and grease [soxhlet extr.] tot. | monthly average | ≤ 10 mg/L | all year | 003 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 20 mg/L | all year | 003 |
| Cadmium, total [as Cd] | monthly average | ≤ 3.2 ug/L | all year | 003 |
| Cadmium, total [as Cd] | daily maximum | ≤ 30.02 ug/L | all year | 003 |
| Copper, total [as Cu] | monthly average | ≤ .104 mg/L | all year | 003 |
| Copper, total [as Cu] | daily maximum | ≤ .177 mg/L | all year | 003 |
| Lead, total [as Pb] | monthly average | ≤ .0736 mg/L | all year | 003 |
| Lead, total [as Pb] | daily maximum | ≤ .6 mg/L | all year | 003 |
| Zinc, total [as Zn] | monthly average | ≤ .5 mg/L | all year | 003 |
| Zinc, total [as Zn] | daily maximum | ≤ 1 mg/L | all year | 003 |
| Selenium, total [as Se] | monthly average | ≤ 3.7 ug/L | all year | 003 |
| Selenium, total [as Se] | daily maximum | ≤ 23.7 ug/L | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 003 |
| Mercury, total [as Hg] | monthly average | ≤ .05 ug/L | all year | 003 |
| Mercury, total [as Hg] | daily maximum | ≤ .1 ug/L | all year | 003 |
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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