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Wet Corn Milling, major discharger, Hammond, Indiana. NPDES permit IN0000027, in force until Apr 30, 2031. Last 12 months: over a limit once (last December 2025), 3 required values missing, 2 of 35 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| December 2025 | BOD, 5-day, 20 deg. C, monthly average | > 284 lb/d | ≤ 2655 lb/d |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 001 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .42 mg/L | Jul–Sep | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .47 mg/L | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .99 mg/L | Jul–Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.1 mg/L | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 54 lb/d | Jul–Sep | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 61 lb/d | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 128 lb/d | Jul–Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 142 lb/d | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | monthly average | ≤ 188 mg/L | all year | 001 |
| Chloride [as Cl] | daily maximum | ≤ 378 mg/L | all year | 001 |
| Chloride [as Cl] | monthly average | ≤ 24270 lb/d | all year | 001 |
| Chloride [as Cl] | daily maximum | ≤ 48799 lb/d | all year | 001 |
| Sulfate, total [as SO4] | monthly average | ≤ 205 mg/L | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | ≤ 411 mg/L | all year | 001 |
| Sulfate, total [as SO4] | monthly average | ≤ 26465 lb/d | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | ≤ 53059 lb/d | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/hr) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/hr) | 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 |
| Chlorine, total residual | monthly average | < .06 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | < .06 mg/L | all year | 001 |
| Chlorine, total residual | monthly average | < 7.74 lb/d | all year | 001 |
| Chlorine, total residual | daily maximum | < 7.74 lb/d | all year | 001 |
| Mercury, total recoverable | annual average | ≤ 6.8 ng/L | all year | 001 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | all year | 001 |
| Flow, augmented water | monthly average | report only (MGD) | all year | 001 |
| Flow, augmented water | daily maximum | ≤ 25.4 MGD | all year | 001 |
| Flow, augmented water | monthly average | report only (MGD) | all year | 001 |
| Flow, augmented water | daily maximum | report only (MGD) | all year | 001 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 001 |
| pH | daily maximum | report only (SU) | Jun, Dec | 002 |
| pH | daily maximum | report only (SU) | Jun, Dec | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Storm water flow | daily maximum | report only (MGD) | Jun, Dec | 002 |
| Storm water flow | daily maximum | report only (MGD) | Jun, Dec | 002 |
| Flow, total | annual total | report only (Mgal/yr) | all year | 002 |
| Flow, total | annual total | report only (Mgal/yr) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 006 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Chlorine, total residual | daily maximum | < .06 mg/L | all year | 006 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 006 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 101 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 101 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 2655 lb/d | all year | 101 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 7966 lb/d | all year | 101 |
| pH | daily minimum | ≥ 6 SU | all year | 101 |
| pH | daily maximum | ≤ 9 SU | all year | 101 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 101 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 101 |
| Solids, total suspended | monthly average | ≤ 2550 lb/d | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 7648 lb/d | all year | 101 |
| Phosphorus, total [as P] | annual maximum | ≤ 4335 lb/yr | all year | 101 |
| Phosphorus, total [as P] | monthly average | ≤ 2.5 mg/L | Mar, Apr, Nov | 101 |
| Phosphorus, total [as P] | monthly average | ≤ 1.5 mg/L | May–Oct | 101 |
| Phosphorus, total [as P] | monthly average | ≤ 4 mg/L | Jan, Feb, Dec | 101 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Mar, Apr, Nov | 101 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | May–Oct | 101 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Jan, Feb, Dec | 101 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | Mar, Apr, Nov | 101 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | May–Oct | 101 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | Jan, Feb, Dec | 101 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | Mar, Apr, Nov | 101 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | May–Oct | 101 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | Jan, Feb, Dec | 101 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 101 |
Cited limits by parameter: Indiana's rules and the federal ones.
Same industry: the 50 Food and Kindred Products permits in Indiana.
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