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Federal facility (Small Arms Ammunition), Independence, Missouri. NPDES permit MO0004880 expired Mar 31, 2024; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 007 |
| pH | minimum | ≥ 6.5 SU | all year | 007 |
| pH | maximum | ≤ 9 SU | all year | 007 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 007 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | all year | 007 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Rainfall | daily maximum | report only (in) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 008 |
| pH | minimum | ≥ 6.5 SU | all year | 008 |
| pH | maximum | ≤ 9 SU | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 008 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | all year | 008 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 008 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 008 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 008 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 008 |
| Rainfall | daily maximum | report only (in) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
Cited limits by parameter: Missouri's rules and the federal ones.
Same industry: the 7 Fabricated Metal Products permits in Missouri.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MO0004880 · MCP: https://passage-data.com/mcp