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Sewage treatment plant, major discharger, Wabash, Indiana. NPDES permit IN0024741, in force until Feb 28, 2031. Last 12 months: over a limit 7 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| November 2025 | Nitrogen, ammonia total [as N], maximum weekly average | 10.06 mg/L | ≤ 9.2 mg/L | 9% |
| April 2026 | E. coli, colony forming units [CFU], daily maximum | 629.4 CFU/100mL | ≤ 235 CFU/100mL | 168% |
| April 2026 | Solids, total suspended, maximum weekly average | 62.5 mg/L | ≤ 45 mg/L | 39% |
| September 2026 | Solids, total suspended, monthly average | 22120 lb/d | ≤ 2504 lb/d | 783% |
| September 2026 | Solids, total suspended, monthly average | 452.1 mg/L | ≤ 30 mg/L | 1407% |
| September 2026 | Solids, total suspended, maximum weekly average | 1943 mg/L | ≤ 45 mg/L | 4218% |
| September 2026 | Solids, total suspended, maximum weekly average | 96677 lb/d | ≤ 3755 lb/d | 2475% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Duration | monthly total | report only (hr/mo) | all year | 001 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 001 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 001 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 001 |
| Duration | monthly total | report only (hr/mo) | all year | 003 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 003 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 003 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 003 |
| pH | daily minimum | ≥ 6 SU | all year | 004 |
| pH | daily maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 004 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 004 |
| Solids, total suspended | monthly average | ≤ 2504 lb/d | all year | 004 |
| Solids, total suspended | maximum weekly average | ≤ 3755 lb/d | all year | 004 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 004 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 004 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.1 mg/L | May–Nov | 004 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 9.4 mg/L | Jan, Feb, Mar, Apr, Dec | 004 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 9.2 mg/L | May–Nov | 004 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 14.1 mg/L | Jan, Feb, Mar, Apr, Dec | 004 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 509 lb/d | May–Nov | 004 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 784 lb/d | Jan, Feb, Mar, Apr, Dec | 004 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 768 lb/d | May–Nov | 004 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 1177 lb/d | Jan, Feb, Mar, Apr, Dec | 004 |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year | 004 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 004 |
| Copper, total recoverable | monthly average | ≤ .039 mg/L | all year | 004 |
| Copper, total recoverable | daily maximum | ≤ .078 mg/L | all year | 004 |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year | 004 |
| Duration | monthly total | report only (hr/mo) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| E. coli, colony forming units [CFU] | monthly geometric mean | ≤ 125 CFU/100mL | Apr–Oct | 004 |
| E. coli, colony forming units [CFU] | daily maximum | ≤ 235 CFU/100mL | Apr–Oct | 004 |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ 1 tox acute (alert, not enforceable) | Feb, Aug | 004 |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ 1 tox acute (alert, not enforceable) | Mar, Sep | 004 |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ 1 tox acute (alert, not enforceable) | Mar, Sep | 004 |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 3.6 tox chronic (alert, not enforceable) | Feb, Aug | 004 |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 3.6 tox chronic (alert, not enforceable) | Mar, Sep | 004 |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 3.6 tox chronic (alert, not enforceable) | Mar, Sep | 004 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox acute (alert, not enforceable) | Feb, Aug | 004 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox acute (alert, not enforceable) | Mar, Sep | 004 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox acute (alert, not enforceable) | Mar, Sep | 004 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 3.6 tox chronic (alert, not enforceable) | Feb, Aug | 004 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 3.6 tox chronic (alert, not enforceable) | Mar, Sep | 004 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 3.6 tox chronic (alert, not enforceable) | Mar, Sep | 004 |
| Mercury, total recoverable | monthly average | ≤ 12 ng/L | Feb, Apr, Jun, Aug, Oct, Dec | 004 |
| Mercury, total recoverable | daily maximum | ≤ 20 ng/L | Feb, Apr, Jun, Aug, Oct, Dec | 004 |
| Mercury, total recoverable | daily maximum | report only (ng/L) | Feb, Apr, Jun, Aug, Oct, Dec | 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 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 004 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 40 mg/L | all year | 004 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 2086 lb/d | all year | 004 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 3338 lb/d | all year | 004 |
| Flow, total | monthly total | report only (Mgal/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 |
| Duration | monthly total | report only (hr/mo) | all year | 007 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 007 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 007 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 007 |
| Duration | monthly total | report only (hr/mo) | all year | 013 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 013 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 013 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 013 |
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/IN0024741 · MCP: https://passage-data.com/mcp