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Mining Machinery, Mount Morris, Pennsylvania. NPDES permit PA0253880, in force until Jan 31, 2027. Last 12 months: over a limit 2 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Iron, total [as Fe], daily maximum | 7.46 mg/L | ≤ 6 mg/L | 24% |
| March 2026 | Iron, total [as Fe], quarterly average | 3.746 mg/L | ≤ 3 mg/L | 25% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | quarterly average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 001 |
| Iron, total [as Fe] | quarterly average | ≤ 3 mg/L | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 001 |
| Manganese, total [as Mn] | quarterly average | ≤ 2 mg/L | all year | 001 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 001 |
| Aluminum, total [as Al] | quarterly average | ≤ 5 mg/L | all year | 001 |
| Aluminum, total [as Al] | daily maximum | ≤ 10 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | quarterly average | ≤ 35 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 002 |
| Iron, total [as Fe] | quarterly average | ≤ 3 mg/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 002 |
| Manganese, total [as Mn] | quarterly average | ≤ 2 mg/L | all year | 002 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 002 |
| Aluminum, total [as Al] | quarterly average | ≤ 5 mg/L | all year | 002 |
| Aluminum, total [as Al] | daily maximum | ≤ 10 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | quarterly average | ≤ 35 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 003 |
| Iron, total [as Fe] | quarterly average | ≤ 3 mg/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 003 |
| Manganese, total [as Mn] | quarterly average | ≤ 2 mg/L | all year | 003 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 003 |
| Aluminum, total [as Al] | quarterly average | ≤ 5 mg/L | all year | 003 |
| Aluminum, total [as Al] | daily maximum | ≤ 10 mg/L | all year | 003 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 19 Industrial and Commercial Machinery and Computer Equipment permits in Pennsylvania.
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Your permit document is the final word. As JSON: /api/v1/permits/PA0253880 · MCP: https://passage-data.com/mcp