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Sewerage Systems, Cape Girardeau, Missouri. NPDES permit MO0056332, in force until Apr 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | weekly average | ≤ 35 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 23 mg/L | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.5 mg/L | Apr–Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4 mg/L | Jan, Feb, Mar, Oct, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .6 mg/L | Apr–Sep |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.6 mg/L | Jan, Feb, Mar, Oct, Nov, Dec |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| E. coli | daily maximum | ≤ 1030 #/100mL | Apr–Dec |
| E. coli | 30-day geometric mean | ≤ 206 #/100mL | Apr–Dec |
Cited limits by parameter: Missouri'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/MO0056332 · MCP: https://passage-data.com/mcp