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Industrial Organic Chemicals, South Bend, Indiana. NPDES permit IN0049191, in force until Oct 31, 2029. Last 12 months: over a limit 8 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Temperature, water deg. fahrenheit, daily maximum | 84.82 deg F | ≤ 81 deg F | 5% |
| November 2025 | Temperature, water deg. fahrenheit, daily maximum | 87.97 deg F | ≤ 73 deg F | 21% |
| December 2025 | Temperature, water deg. fahrenheit, daily maximum | 87.96 deg F | ≤ 67 deg F | 31% |
| January 2026 | Temperature, water deg. fahrenheit, daily maximum | 87.04 deg F | ≤ 68 deg F | 28% |
| February 2026 | Temperature, water deg. fahrenheit, daily maximum | 75.58 deg F | ≤ 69 deg F | 10% |
| March 2026 | Temperature, water deg. fahrenheit, daily maximum | 86.19 deg F | ≤ 71 deg F | 21% |
| April 2026 | Temperature, water deg. fahrenheit, daily maximum | 83.08 deg F | ≤ 77 deg F | 8% |
| August 2026 | Oil and grease, hexane extr method, daily maximum | < 5.3 mg/L | ≤ 5 mg/L | 6% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Mar | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Feb | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Jan | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Apr | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | May | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Jun–Sep | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Nov | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Oct | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Dec | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 71 deg F | Mar | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 69 deg F | Feb | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 68 deg F | Jan | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 77 deg F | Apr | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 83 deg F | May | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 93 deg F | Jun–Sep | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 73 deg F | Nov | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 81 deg F | Oct | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 67 deg F | Dec | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | ≤ 5 mg/L | 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 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 054 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 054 |
| pH | daily minimum | ≥ 6 SU | all year | 054 |
| pH | daily maximum | ≤ 9 SU | all year | 054 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 054 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 054 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 054 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 054 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 054 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 054 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 054 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 054 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 054 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 054 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 054 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 054 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 054 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 054 |
| Chlorine, total residual | monthly average | < .06 mg/L | all year | 054 |
| Chlorine, total residual | daily maximum | < .06 mg/L | all year | 054 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 054 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 054 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 054 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 054 |
| Chemical Oxygen Demand [COD] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 054 |
| Chemical Oxygen Demand [COD] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 054 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 054 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 054 |
Cited limits by parameter: Indiana's rules and the federal ones.
Same industry: the 45 Chemicals and Allied Products permits in Indiana.
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On EPA ECHO: Facility report · DMR history
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