Passage Data · Check a report · Use it from your AI
Sewage treatment plant, Corunna, Indiana. NPDES permit IN0047473, in force until Jan 31, 2029. Last 12 months: over a limit 2 times (last January 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| January 2026 | Nitrogen, ammonia total [as N], daily maximum | 11 mg/L | ≤ 10.4 mg/L | 6% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 11 mg/L | ≤ 4.4 mg/L | 150% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Streamflow | monthly average | report only (MGD) | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 70 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 105 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.2 mg/L | May–Nov |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.4 mg/L | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.8 mg/L | May–Nov |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.4 mg/L | Jan, Feb, Mar, Apr, Dec |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | 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 |
| Dilution factor | daily maximum | ≤ .1 Ratio | all year |
| Flow, total | monthly total | report only (Mgal/mo) | all year |
Cited limits by parameter: Indiana's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/IN0047473 · MCP: https://passage-data.com/mcp