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Sewage treatment plant, Wakarusa, Indiana. NPDES permit IN0024775, in force until Apr 30, 2031. Last 12 months: over a limit 2 times (last October 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | E. coli, colony forming units [CFU], daily maximum | 318 CFU/100mL | ≤ 235 CFU/100mL | 35% |
| October 2025 | E. coli, colony forming units [CFU], monthly geometric mean | 144 CFU/100mL | ≤ 125 CFU/100mL | 15% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Streamflow | monthly average | report only (MGD) | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | report only (SU) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 70 mg/L | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 105 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | May–Nov | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.3 mg/L | Jan, Feb, Mar, Apr, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | May–Nov | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11 mg/L | Jan, Feb, Mar, Apr, Dec | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | 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 | monthly average | report only (MGD) | all year | 001 |
| E. coli, colony forming units [CFU] | monthly geometric mean | ≤ 125 CFU/100mL | Apr–Oct | 001 |
| E. coli, colony forming units [CFU] | daily maximum | ≤ 235 CFU/100mL | Apr–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 40 mg/L | all year | 001 |
| Dilution factor | daily maximum | ≤ .1 Ratio | all year | 001 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 001 |
| Duration | monthly total | report only (hr/mo) | all year | 002 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 002 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 002 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (occur/mo) | all year | 002 |
| Duration | monthly total | report only (hr/mo) | all year | 004 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 004 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 004 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 004 |
| Duration | monthly total | report only (hr/mo) | all year | 005 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 005 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 005 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 005 |
| Duration | monthly total | report only (hr/mo) | all year | 006 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 006 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 006 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 006 |
Cited limits by parameter: Indiana's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/IN0024775 · MCP: https://passage-data.com/mcp