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Aircraft, St. Charles, Missouri. NPDES permit MO0135208, in force until Nov 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | report only (SU) | all year | 001 |
| pH | maximum | report only (SU) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | quarterly average | report only (mg/L) | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | quarterly average | ≤ 10 mg/L | all year | 001 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Iron, total recoverable | quarterly average | report only (ug/L) | all year | 001 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Aluminum, total recoverable | quarterly average | report only (ug/L) | all year | 001 |
| Chloride | daily maximum | report only (mg/L) | all year | 001 |
| Chloride | quarterly average | report only (mg/L) | all year | 001 |
| Chemical oxygen demand [COD] | daily maximum | report only (mg/L) | all year | 001 |
| Chemical oxygen demand [COD] | quarterly average | report only (mg/L) | all year | 001 |
| Storm water flow | daily maximum | report only (MGD) | all year | 001 |
| Storm water flow | quarterly average | report only (MGD) | all year | 001 |
| pH | minimum | report only (SU) | all year | 002 |
| pH | maximum | report only (SU) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Solids, total suspended | quarterly average | report only (mg/L) | all year | 002 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | all year | 002 |
| Oil and grease [soxhlet extr.] tot. | quarterly average | ≤ 10 mg/L | all year | 002 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Iron, total recoverable | quarterly average | report only (ug/L) | all year | 002 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Aluminum, total recoverable | quarterly average | report only (ug/L) | all year | 002 |
| Chloride | daily maximum | report only (mg/L) | all year | 002 |
| Chloride | quarterly average | report only (mg/L) | all year | 002 |
| Chemical oxygen demand [COD] | daily maximum | report only (mg/L) | all year | 002 |
| Chemical oxygen demand [COD] | quarterly average | report only (mg/L) | all year | 002 |
| Storm water flow | daily maximum | report only (MGD) | all year | 002 |
| Storm water flow | quarterly average | report only (MGD) | all year | 002 |
| pH | minimum | report only (SU) | all year | 003 |
| pH | maximum | report only (SU) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Solids, total suspended | quarterly average | report only (mg/L) | all year | 003 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | all year | 003 |
| Oil and grease [soxhlet extr.] tot. | quarterly average | ≤ 10 mg/L | all year | 003 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 003 |
| Iron, total recoverable | quarterly average | report only (ug/L) | all year | 003 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 003 |
| Aluminum, total recoverable | quarterly average | report only (ug/L) | all year | 003 |
| Chloride | daily maximum | report only (mg/L) | all year | 003 |
| Chloride | quarterly average | report only (mg/L) | all year | 003 |
| Chemical oxygen demand [COD] | daily maximum | report only (mg/L) | all year | 003 |
| Chemical oxygen demand [COD] | quarterly average | report only (mg/L) | all year | 003 |
| Storm water flow | daily maximum | report only (MGD) | all year | 003 |
| Storm water flow | quarterly average | report only (MGD) | all year | 003 |
| pH | minimum | report only (SU) | all year | 004 |
| pH | maximum | report only (SU) | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 004 |
| Solids, total suspended | quarterly average | report only (mg/L) | all year | 004 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | all year | 004 |
| Oil and grease [soxhlet extr.] tot. | quarterly average | ≤ 10 mg/L | all year | 004 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Iron, total recoverable | quarterly average | report only (ug/L) | all year | 004 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Aluminum, total recoverable | quarterly average | report only (ug/L) | all year | 004 |
| Chloride | daily maximum | report only (mg/L) | all year | 004 |
| Chloride | quarterly average | report only (mg/L) | all year | 004 |
| Chemical oxygen demand [COD] | daily maximum | report only (mg/L) | all year | 004 |
| Chemical oxygen demand [COD] | quarterly average | report only (mg/L) | all year | 004 |
| Storm water flow | daily maximum | report only (MGD) | all year | 004 |
| Storm water flow | quarterly average | report only (MGD) | all year | 004 |
| pH | minimum | report only (SU) | all year | 005 |
| pH | maximum | report only (SU) | all year | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 005 |
| Solids, total suspended | quarterly average | report only (mg/L) | all year | 005 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | all year | 005 |
| Oil and grease [soxhlet extr.] tot. | quarterly average | ≤ 10 mg/L | all year | 005 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Iron, total recoverable | quarterly average | report only (ug/L) | all year | 005 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Aluminum, total recoverable | quarterly average | report only (ug/L) | all year | 005 |
| Chloride | daily maximum | report only (mg/L) | all year | 005 |
| Chloride | quarterly average | report only (mg/L) | all year | 005 |
| Chemical oxygen demand [COD] | daily maximum | report only (mg/L) | all year | 005 |
| Chemical oxygen demand [COD] | quarterly average | report only (mg/L) | all year | 005 |
| Storm water flow | daily maximum | report only (MGD) | all year | 005 |
| Storm water flow | quarterly average | report only (MGD) | all year | 005 |
Cited limits by parameter: Missouri's rules and the federal ones.
Same industry: the 10 Transportation Equipment permits in Missouri.
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Your permit document is the final word. As JSON: /api/v1/permits/MO0135208 · MCP: https://passage-data.com/mcp