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Sewerage Systems, Blue Eye, Missouri. NPDES permit MO0132594, in force until Apr 30, 2030. Last 12 months: over a limit 11 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | BOD, 5-day, 20 deg. C, daily maximum | 34 | ≤ 30 mg/L | 13% |
| December 2025 | BOD, 5-day, 20 deg. C, monthly average | 34 | ≤ 15 mg/L | 127% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 4.14 | ≤ 2.9 mg/L | 43% |
| January 2026 | BOD, 5-day, 20 deg. C, monthly average | 28 | ≤ 15 mg/L | 87% |
| January 2026 | Phosphorus, total [as P], monthly average | .6 | ≤ .5 mg/L | 20% |
| January 2026 | Solids, total suspended, monthly average | 22 | ≤ 15 mg/L | 47% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 3.87 | ≤ 2.3 mg/L | 68% |
| April 2026 | E. coli, 30-day geometric mean | 1210 | ≤ 126 #/100mL | 860% |
| April 2026 | E. coli, daily maximum | > 2420 | ≤ 630 #/100mL | — |
| April 2026 | Nitrogen, ammonia total [as N], monthly average | 1.2 | ≤ 1 mg/L | 20% |
| May 2026 | Phosphorus, total [as P], monthly average | .56 | ≤ .5 mg/L | 12% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 15 mg/L | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Feb |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.5 mg/L | Apr–Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jan, Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Oct–Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.3 mg/L | Feb |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | Apr–Sep |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.3 mg/L | Jan, Mar |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.9 mg/L | Oct–Dec |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | ≤ .5 mg/L | all year |
| Aluminum, total recoverable | daily maximum | ≤ 750 ug/L | all year |
| Aluminum, total recoverable | monthly average | ≤ 385.1 ug/L | all year |
| 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 | ≤ 630 #/100mL | Apr–Oct |
| E. coli | 30-day geometric mean | ≤ 126 #/100mL | Apr–Oct |
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/MO0132594 · MCP: https://passage-data.com/mcp