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Industrial Organic Chemicals, Natchez, Mississippi. NPDES permit MS0000213, in force until Jun 30, 2029. Last 12 months: over a limit 2 times (last June 2026), 1 of 3 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| June 2026 | BOD, 5-day, 20 deg. C, daily maximum | 21 mg/L | ≤ 10.5 mg/L | 100% |
| June 2026 | BOD, 5-day, 20 deg. C, monthly average | 21 mg/L | ≤ 7 mg/L | 200% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 7 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 10.5 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | all year |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 22.5 mg/L | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, total suspended | daily maximum | report only (lb/d) | all year |
| Pentachlorophenol | monthly average | report only (mg/L) | all year |
| Pentachlorophenol | daily maximum | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Trichlorophenol | monthly average | report only (mg/L) | all year |
| Trichlorophenol | daily maximum | report only (mg/L) | all year |
Cited limits by parameter: Mississippi's rules and the federal ones.
Same industry: the 23 Chemicals and Allied Products permits in Mississippi.
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Your permit document is the final word. As JSON: /api/v1/permits/MS0000213 · MCP: https://passage-data.com/mcp