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Sewage treatment plant, major discharger, Peru, Indiana. NPDES permit IN0024902, in force until Dec 31, 2029. Last 12 months: over a limit 2 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 2.5 mg/L | ≤ 2.3 mg/L | 9% |
| August 2026 | pH, daily minimum | 5.9 SU | ≥ 6 SU | — |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | daily average minimum | ≥ 6 mg/L | all year | 004 |
| pH | daily minimum | ≥ 6 SU | all year | 004 |
| pH | daily maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year | 004 |
| Solids, total suspended | maximum weekly average | ≤ 15 mg/L | all year | 004 |
| Solids, total suspended | monthly average | ≤ 217 lb/d | all year | 004 |
| Solids, total suspended | maximum weekly average | ≤ 325 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 | ≤ 1.5 mg/L | May–Nov | 004 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3 mg/L | Jan, Feb, Mar, Apr, Dec | 004 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 2.3 mg/L | May–Nov | 004 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 4.5 mg/L | Jan, Feb, Mar, Apr, Dec | 004 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 32.5 lb/d | May–Nov | 004 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 65.1 lb/d | Jan, Feb, Mar, Apr, Dec | 004 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 49.9 lb/d | May–Nov | 004 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 97.6 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 |
| 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 | Jun | 004 |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 1 tox chronic | Jun | 004 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox acute | Jun | 004 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox chronic | Jun | 004 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year | 004 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 15 mg/L | all year | 004 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 217 lb/d | all year | 004 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 325 lb/d | all year | 004 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 004 |
| Copper, dry weight | value | report only (mg/kg) | Jun, Dec | PRT |
| Cadmium, dry weight | value | report only (mg/kg) | Jun, Dec | PRT |
| Molybdenum, sludge, total, dry weight [as Mo] | value | report only (mg/kg) | Jun, Dec | PRT |
| Zinc, sludge, total, dry weight [as Zn] | value | report only (mg/kg) | Jun, Dec | PRT |
| Lead, sludge, total, dry weight [as Pb] | value | report only (mg/kg) | Jun, Dec | PRT |
| Nickel, sludge, total, dry weight [as Ni] | value | report only (mg/kg) | Jun, Dec | PRT |
| Mercury, sludge, total, dry weight [as Hg] | value | report only (mg/kg) | Jun, Dec | PRT |
Cited limits by parameter: Indiana's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/IN0024902 · MCP: https://passage-data.com/mcp