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Aircraft, Savannah, Georgia. NPDES permit GA0003255, in force until Jul 31, 2028. Last 12 months: over a limit 2 times (last November 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit |
|---|---|---|---|---|
| November 2025 | 005 | Turbidity, daily average | 55 NTU | ≤ 50 NTU |
| November 2025 | 011 | Turbidity, daily average | 70 NTU | ≤ 50 NTU |
| 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 | ≤ 63 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 95 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 |
| 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 |
| 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 | ≤ 63 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 95 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 maximum | ≤ 8.34 lb/d | 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 |
| 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 | ≤ 63 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 95 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 |
| 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 |
| 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 | ≤ 63 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 95 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 |
| 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 |
| 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 | ≤ 63 mg/L | all year | 008 |
| Solids, total suspended | daily maximum | ≤ 95 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 maximum | ≤ 8.34 lb/d | 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 |
| Turbidity | daily average | ≤ 50 NTU | all year | 011 |
| Turbidity | daily maximum | ≤ 75 NTU | all year | 011 |
| pH | minimum | ≥ 6 SU | all year | 011 |
| pH | maximum | ≤ 8.5 SU | all year | 011 |
| Solids, total suspended | daily average | ≤ 63 mg/L | all year | 011 |
| Solids, total suspended | daily maximum | ≤ 95 mg/L | all year | 011 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 011 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 011 |
| Nitrogen, total [as N] | daily average | report only (mg/L) | all year | 011 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 011 |
| Nitrogen, organic total [as N] | daily average | report only (mg/L) | all year | 011 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 011 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 011 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 011 |
| Nitrogen, Kjeldahl, total [as N] | daily average | report only (mg/L) | all year | 011 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 011 |
| Nitrite + Nitrate total [as N] | daily average | report only (mg/L) | all year | 011 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 011 |
| Phosphorus, total [as P] | daily maximum | ≤ 8.34 lb/d | all year | 011 |
| Phosphate, ortho [as P] | daily average | report only (mg/L) | all year | 011 |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year | 011 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 011 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 011 |
Cited limits by parameter: Georgia's rules and the federal ones.
Same industry: the 3 Transportation Equipment permits in Georgia.
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