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Federal facility (Noncommercial Research Organizations), Columbia, Missouri. NPDES permit MO0003999, in force until Jul 31, 2027. Last 12 months: no values over a limit, 4 of 30 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 60 mg/L | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 40 mg/L | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 80 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 60 mg/L | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly 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] | monthly average | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 001 |
| Cadmium, total recoverable | daily maximum | ≤ 2.4 ug/L | all year | 001 |
| Cadmium, total recoverable | monthly average | ≤ .7 ug/L | all year | 001 |
| Lead, total recoverable | daily maximum | ≤ 14.7 ug/L | all year | 001 |
| Lead, total recoverable | monthly average | ≤ 10.3 ug/L | all year | 001 |
| Copper, total recoverable | daily maximum | ≤ 35.6 ug/L | all year | 001 |
| Copper, total recoverable | monthly average | ≤ 17.7 ug/L | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | ≤ 1.6 toxic | all year | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 1.6 toxic | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | monthly average | report only (mg/L) | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | monthly 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] | monthly average | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 002 |
| Cadmium, total recoverable | daily maximum | ≤ 2.4 ug/L | all year | 002 |
| Cadmium, total recoverable | monthly average | ≤ .7 ug/L | all year | 002 |
| Lead, total recoverable | daily maximum | ≤ 14.7 ug/L | all year | 002 |
| Lead, total recoverable | monthly average | ≤ 10.3 ug/L | all year | 002 |
| Copper, total recoverable | daily maximum | ≤ 35.6 ug/L | all year | 002 |
| Copper, total recoverable | monthly maximum | ≤ 17.7 ug/L | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | ≤ 1.6 toxic | all year | 002 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 1.6 toxic | all year | 002 |
Cited limits by parameter: Missouri's rules and the federal ones.
Same industry: the 3 Engineering, Accounting, Research and Management Services 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/MO0003999 · MCP: https://passage-data.com/mcp