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Metal Ores, Patterson, Georgia. NPDES permit GA0050247 expired Jun 30, 2026; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | daily average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | daily average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year |
| Turbidity | daily average | report only (NTU) | all year |
| Turbidity | daily maximum | report only (NTU) | all year |
| Turbidity | daily average | report only (NTU) | all year |
| Turbidity | daily maximum | report only (NTU) | all year |
| Turbidity | daily maximum | report only (NTU) | all year |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | annual maximum | report only (lb/yr) | all year |
| BOD, 5-day, 20 deg. C | daily average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/yr) | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| Phosphorous, total elemental | daily average | report only (mg/L) | all year |
| Phosphorous, total elemental | daily maximum | report only (mg/L) | all year |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year |
| Nitrogen, organic total [as N] | daily average | report only (mg/L) | all year |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily average | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | daily average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily average | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | report only (lb/yr) | all year |
| Cadmium, total [as Cd] | daily average | report only (mg/L) | all year |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year |
| Cadmium, total [as Cd] | daily average | report only (lb/d) | all year |
| Cadmium, total [as Cd] | daily maximum | report only (lb/d) | all year |
| Copper, total [as Cu] | daily average | report only (mg/L) | all year |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year |
| Copper, total [as Cu] | daily average | report only (lb/d) | all year |
| Copper, total [as Cu] | daily maximum | report only (lb/d) | all year |
| Zinc, total [as Zn] | daily average | ≤ .5 mg/L | all year |
| Zinc, total [as Zn] | daily maximum | ≤ 1 mg/L | all year |
| Zinc, total [as Zn] | daily average | report only (lb/d) | all year |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | all year |
| Selenium, total [as Se] | daily average | report only (mg/L) | all year |
| Selenium, total [as Se] | daily maximum | report only (mg/L) | all year |
| Selenium, total [as Se] | daily average | report only (lb/d) | all year |
| Selenium, total [as Se] | daily maximum | report only (lb/d) | all year |
| Phosphate, ortho [as P] | daily average | report only (mg/L) | all year |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Turbidity, change | daily maximum | ≤ 25 NTU | all year |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | minimum | report only (%) | all year |
| Noel Statre 7Day Chronic Pimephales | minimum | report only (%) | all year |
Cited limits by parameter: Georgia's rules and the federal ones.
Same industry: the 4 Metal Mining permits in Georgia.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/GA0050247 · MCP: https://passage-data.com/mcp