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Sewage treatment plant, New Palestine, Indiana. NPDES permit IN0061859, in force until Aug 31, 2028. Last 12 months: over a limit 2 times (last May 2026), 3 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| January 2026 | Solids, total suspended, maximum weekly average | 50.5 mg/L | ≤ 45 mg/L | 12% |
| May 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 11.76 mg/L | ≤ 10.8 mg/L | 9% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 25 lb/d | all year |
| Solids, total suspended | maximum weekly average | ≤ 38 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.2 mg/L | all year |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 10.8 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6 lb/d | all year |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 9 lb/d | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| E. coli, colony forming units [CFU] | monthly geometric mean | ≤ 125 CFU/100mL | Apr–Oct |
| E. coli, colony forming units [CFU] | daily maximum | ≤ 235 CFU/100mL | Apr–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 40 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 21 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 33 lb/d | all year |
| Flow, total | monthly total | report only (Mgal/mo) | all year |
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/IN0061859 · MCP: https://passage-data.com/mcp