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Sewerage Systems, Cape Girardeau, Missouri. NPDES permit MO0058106, in force until Apr 30, 2030. Last 12 months: over a limit 13 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | E. coli, 30-day geometric mean | 2420 | ≤ 206 #/100mL | 1075% |
| December 2025 | E. coli, geometric mean | 2420 | ≤ 1030 #/100mL | 135% |
| December 2025 | Nitrogen, ammonia total [as N], daily maximum | 29.8 | ≤ 8.4 mg/L | 255% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 29.8 | ≤ 2.2 mg/L | 1255% |
| March 2026 | BOD, 5-day, 20 deg. C, monthly average | 114 | ≤ 30 mg/L | 280% |
| March 2026 | BOD, 5-day, 20 deg. C, weekly average | 114 | ≤ 45 mg/L | 153% |
| March 2026 | Nitrogen, ammonia total [as N], daily maximum | 33.3 | ≤ 9 mg/L | 270% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 33.3 | ≤ 2.8 mg/L | 1089% |
| June 2026 | BOD, 5-day, 20 deg. C, monthly average | 30.2 | ≤ 30 mg/L | 1% |
| June 2026 | E. coli, 30-day geometric mean | 2420 | ≤ 206 #/100mL | 1075% |
| June 2026 | E. coli, geometric mean | 2420 | ≤ 1030 #/100mL | 135% |
| June 2026 | Nitrogen, ammonia total [as N], daily maximum | 22.8 | ≤ 3.8 mg/L | 500% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 22.8 | ≤ 1.4 mg/L | 1529% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 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 | ≤ 9 mg/L | Jan–Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.8 mg/L | Jul–Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Oct–Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.8 mg/L | Apr–Jun |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.8 mg/L | Jan–Mar |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | Jul–Sep |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.2 mg/L | Oct–Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.4 mg/L | Apr–Jun |
| 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 | geometric mean | ≤ 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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Your permit document is the final word. As JSON: /api/v1/permits/MO0058106 · MCP: https://passage-data.com/mcp