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Metal Ores, Nahunta, Georgia. NPDES permit GA0050275, in force until Mar 31, 2029. Last 12 months: over a limit once (last September 2026), 426 required values missing, 8 of 96 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| September 2026 | Solids, total suspended, daily average | 22 mg/L | ≤ 20 mg/L | 10% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Turbidity | daily average | ≤ 50 NTU | all year | 001 |
| Turbidity | daily maximum | ≤ 75 NTU | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 8.5 SU | all year | 001 |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 001 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Nitrogen, total [as N] | daily average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, organic total [as N] | daily average | report only (mg/L) | all year | 001 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily average | ≤ 8.34 lb/d | all year | 001 |
| Phosphorus, total [as P] | daily maximum | ≤ 12.5 lb/d | all year | 001 |
| Iron, total [as Fe] | daily average | ≤ 1 mg/L | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 2 mg/L | all year | 001 |
| Phosphate, ortho [as P] | daily average | report only (mg/L) | all year | 001 |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | 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] | daily average | report only (mg/L) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 001 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | report only (%) | all year | 001 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum | report only (%) | all year | 001 |
| Turbidity | daily average | ≤ 50 NTU | all year | 002 |
| Turbidity | daily maximum | ≤ 75 NTU | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 8.5 SU | all year | 002 |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 002 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Nitrogen, total [as N] | daily average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, organic total [as N] | daily average | report only (mg/L) | all year | 002 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily average | report only (mg/L) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily average | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily average | ≤ 8.34 lb/d | all year | 002 |
| Phosphorus, total [as P] | daily maximum | ≤ 12.5 lb/d | all year | 002 |
| Iron, total [as Fe] | daily average | ≤ 1 mg/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 2 mg/L | all year | 002 |
| Phosphate, ortho [as P] | daily average | report only (mg/L) | all year | 002 |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily average | 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] | daily average | report only (mg/L) | all year | 002 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 002 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | report only (%) | all year | 002 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum | report only (%) | all year | 002 |
| Turbidity | daily average | ≤ 50 NTU | all year | 003 |
| Turbidity | daily maximum | ≤ 75 NTU | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | maximum | ≤ 8.5 SU | all year | 003 |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 003 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 003 |
| Nitrogen, total [as N] | daily average | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrogen, organic total [as N] | daily average | report only (mg/L) | all year | 003 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrogen, Kjeldahl, total [as N] | daily average | report only (mg/L) | all year | 003 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | daily average | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | daily average | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | daily average | ≤ 8.34 lb/d | all year | 003 |
| Phosphorus, total [as P] | daily maximum | ≤ 12.5 lb/d | all year | 003 |
| Iron, total [as Fe] | daily average | ≤ 1 mg/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 2 mg/L | all year | 003 |
| Phosphate, ortho [as P] | daily average | report only (mg/L) | all year | 003 |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Mercury, total [as Hg] | daily average | report only (mg/L) | all year | 003 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 003 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | report only (%) | all year | 003 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum | report only (%) | all year | 003 |
| Turbidity | daily average | ≤ 50 NTU | all year | 004 |
| Turbidity | daily maximum | ≤ 75 NTU | all year | 004 |
| pH | minimum | ≥ 6 SU | all year | 004 |
| pH | maximum | ≤ 8.5 SU | all year | 004 |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 004 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Nitrogen, total [as N] | daily average | report only (mg/L) | all year | 004 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Nitrogen, organic total [as N] | daily average | report only (mg/L) | all year | 004 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Nitrogen, Kjeldahl, total [as N] | daily average | report only (mg/L) | all year | 004 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Nitrite + Nitrate total [as N] | daily average | report only (mg/L) | all year | 004 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | daily average | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | daily average | ≤ 8.34 lb/d | all year | 004 |
| Phosphorus, total [as P] | daily maximum | ≤ 12.5 lb/d | all year | 004 |
| Iron, total [as Fe] | daily average | ≤ 1 mg/L | all year | 004 |
| Iron, total [as Fe] | daily maximum | ≤ 2 mg/L | all year | 004 |
| Phosphate, ortho [as P] | daily average | report only (mg/L) | all year | 004 |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Mercury, total [as Hg] | daily average | report only (mg/L) | all year | 004 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 004 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | report only (%) | all year | 004 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum | report only (%) | all year | 004 |
| Turbidity | daily average | ≤ 50 NTU | all year | 005 |
| Turbidity | daily maximum | ≤ 75 NTU | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 8.5 SU | all year | 005 |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 005 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 005 |
| Nitrogen, total [as N] | daily average | report only (mg/L) | all year | 005 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Nitrogen, organic total [as N] | daily average | report only (mg/L) | all year | 005 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Nitrogen, Kjeldahl, total [as N] | daily average | report only (mg/L) | all year | 005 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Nitrite + Nitrate total [as N] | daily average | report only (mg/L) | all year | 005 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Phosphorus, total [as P] | daily average | report only (mg/L) | all year | 005 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 005 |
| Phosphorus, total [as P] | daily average | ≤ 8.34 lb/d | all year | 005 |
| Phosphorus, total [as P] | daily maximum | ≤ 12.5 lb/d | all year | 005 |
| Iron, total [as Fe] | daily average | ≤ 1 mg/L | all year | 005 |
| Iron, total [as Fe] | daily maximum | ≤ 2 mg/L | all year | 005 |
| Phosphate, ortho [as P] | daily average | report only (mg/L) | all year | 005 |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Mercury, total [as Hg] | daily average | report only (mg/L) | all year | 005 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 005 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | report only (%) | all year | 005 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum | report only (%) | all year | 005 |
| Turbidity | daily average | ≤ 50 NTU | all year | 006 |
| Turbidity | daily maximum | ≤ 75 NTU | all year | 006 |
| pH | minimum | ≥ 6 SU | all year | 006 |
| pH | maximum | ≤ 8.5 SU | all year | 006 |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 006 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 006 |
| Nitrogen, total [as N] | daily average | report only (mg/L) | all year | 006 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, organic total [as N] | daily average | report only (mg/L) | all year | 006 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, Kjeldahl, total [as N] | daily average | report only (mg/L) | all year | 006 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Nitrite + Nitrate total [as N] | daily average | report only (mg/L) | all year | 006 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Phosphorus, total [as P] | daily average | report only (mg/L) | all year | 006 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 006 |
| Phosphorus, total [as P] | daily average | ≤ 8.34 lb/d | all year | 006 |
| Phosphorus, total [as P] | daily maximum | ≤ 12.5 lb/d | all year | 006 |
| Iron, total [as Fe] | daily average | ≤ 1 mg/L | all year | 006 |
| Iron, total [as Fe] | daily maximum | ≤ 2 mg/L | all year | 006 |
| Phosphate, ortho [as P] | daily average | report only (mg/L) | all year | 006 |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Mercury, total [as Hg] | daily average | report only (mg/L) | all year | 006 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 006 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | report only (%) | all year | 006 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum | report only (%) | all year | 006 |
| Turbidity | daily average | ≤ 50 NTU | all year | 007 |
| Turbidity | daily maximum | ≤ 75 NTU | all year | 007 |
| pH | minimum | ≥ 6 SU | all year | 007 |
| pH | maximum | ≤ 8.5 SU | all year | 007 |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year | 007 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 007 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 007 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 007 |
| Nitrogen, total [as N] | daily average | report only (mg/L) | all year | 007 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Nitrogen, organic total [as N] | daily average | report only (mg/L) | all year | 007 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Nitrogen, Kjeldahl, total [as N] | daily average | report only (mg/L) | all year | 007 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Nitrite + Nitrate total [as N] | daily average | report only (mg/L) | all year | 007 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Phosphorus, total [as P] | daily average | report only (mg/L) | all year | 007 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 007 |
| Phosphorus, total [as P] | daily average | ≤ 8.34 lb/d | all year | 007 |
| Phosphorus, total [as P] | daily maximum | ≤ 12.5 lb/d | all year | 007 |
| Iron, total [as Fe] | daily average | ≤ 1 mg/L | all year | 007 |
| Iron, total [as Fe] | daily maximum | ≤ 2 mg/L | all year | 007 |
| Phosphate, ortho [as P] | daily average | report only (mg/L) | all year | 007 |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| Mercury, total [as Hg] | daily average | report only (mg/L) | all year | 007 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 007 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | report only (%) | all year | 007 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum | report only (%) | all year | 007 |
| Turbidity | daily average | ≤ 50 NTU | all year | 008 |
| Turbidity | daily maximum | ≤ 75 NTU | all year | 008 |
| pH | minimum | ≥ 6 SU | all year | 008 |
| pH | maximum | ≤ 8.5 SU | all year | 008 |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year | 008 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 008 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 008 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 008 |
| Nitrogen, total [as N] | daily average | report only (mg/L) | all year | 008 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 008 |
| Nitrogen, organic total [as N] | daily average | report only (mg/L) | all year | 008 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 008 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 008 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 008 |
| Nitrogen, Kjeldahl, total [as N] | daily average | report only (mg/L) | all year | 008 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 008 |
| Nitrite + Nitrate total [as N] | daily average | report only (mg/L) | all year | 008 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 008 |
| Phosphorus, total [as P] | daily average | report only (mg/L) | all year | 008 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 008 |
| Phosphorus, total [as P] | daily average | ≤ 8.34 lb/d | all year | 008 |
| Phosphorus, total [as P] | daily maximum | ≤ 12.5 lb/d | all year | 008 |
| Iron, total [as Fe] | daily average | ≤ 1 mg/L | all year | 008 |
| Iron, total [as Fe] | daily maximum | ≤ 2 mg/L | all year | 008 |
| Phosphate, ortho [as P] | daily average | report only (mg/L) | all year | 008 |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| Mercury, total [as Hg] | daily average | report only (mg/L) | all year | 008 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 008 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | report only (%) | all year | 008 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum | report only (%) | all year | 008 |
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/GA0050275 · MCP: https://passage-data.com/mcp