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Industrial Organic Chemicals, Chattanooga, Tennessee. NPDES permit TN0002798, in force until Feb 28, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | > 4.6 % | Dec | 001 |
| IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | minimum | > 4.6 % | Dec | 001 |
| pH | minimum | report only (SU) | all year | SW1 |
| pH | maximum | report only (SU) | all year | SW1 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | SW1 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | SW1 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | SW1 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | SW1 |
| Oil and grease | daily maximum | report only (mg/L) | all year | SW1 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | SW1 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | SW1 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (lb/d) | all year | SW1 |
Cited limits by parameter: Tennessee's rules and the federal ones.
Same industry: the 30 Chemicals and Allied Products permits in Tennessee.
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Your permit document is the final word. As JSON: /api/v1/permits/TN0002798 · MCP: https://passage-data.com/mcp