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Industrial Organic Chemicals, Macon, Missouri. NPDES permit MO0124575 expired Jun 30, 2022; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year | 002 |
| Temperature, water deg. fahrenheit | monthly average | ≤ 90 deg F | all year | 002 |
| 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 |
| Solids, total suspended | daily maximum | ≤ 356 lb/d | all year | 002 |
| Solids, total suspended | monthly average | ≤ 216 lb/d | all year | 002 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 15 mg/L | all year | 002 |
| Oil and grease [soxhlet extr.] tot. | monthly average | ≤ 10 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 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | monthly average | report only (mg/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 | daily maximum | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ .017 mg/L | all year | 002 |
| Chlorine, total residual | monthly average | ≤ .008 mg/L | all year | 002 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (toxic) | all year | 002 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (toxic) | all year | 002 |
| Chlorides + Sulfates | daily maximum | ≤ 1000 mg/L | all year | 002 |
| Chlorides + Sulfates | monthly average | ≤ 1000 mg/L | all year | 002 |
| pH | daily maximum | report only (SU) | all year | 004 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/kg) | all year | 004 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/kg) | all year | 004 |
| Phosphorus, total [as P] | daily maximum | report only (mg/kg) | all year | 004 |
| Sodium, total [as Na] | daily maximum | report only (mg/kg) | all year | 004 |
| Sodium, % exchangeable soil, total | total | report only (%) | all year | 004 |
| Application rate area sprayed | daily maximum | report only (acr) | all year | 004 |
| Application rate, rate/area sprayed | daily maximum | report only (gal/acr) | all year | 004 |
| Application rate, gallons spray irrigation | daily maximum | report only (gal) | all year | 004 |
| Freeboard | daily maximum | report only (ft) | all year | 004 |
| Spray irrigation | daily maximum | report only (hr/d) | all year | 004 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 005 |
| pH | minimum | ≥ 6.5 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | all year | 005 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 005 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Rainfall | daily maximum | report only (in) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 006 |
| pH | minimum | ≥ 6.5 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 006 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 006 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
Cited limits by parameter: Missouri's rules and the federal ones.
Same industry: the 22 Chemicals and Allied Products permits in Missouri.
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