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Sewerage Systems, Fair Grove, Missouri. NPDES permit MO0132977, in force until Aug 31, 2030. Last 12 months: over a limit 20 times (last July 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | BOD, 5-day, 20 deg. C, monthly average | 62 | ≤ 10 mg/L | 520% |
| October 2025 | BOD, 5-day, 20 deg. C, weekly average | 62 | ≤ 15 mg/L | 313% |
| October 2025 | E. coli, daily maximum | < 2420 | ≤ 126 #/100mL | 1821% |
| October 2025 | Nitrogen, ammonia total [as N], daily maximum | 46.2 | ≤ 12.1 mg/L | 282% |
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 46.2 | ≤ 2.5 mg/L | 1748% |
| October 2025 | Solids, total suspended, monthly average | 30 | ≤ 15 mg/L | 100% |
| October 2025 | Solids, total suspended, weekly average | 30 | ≤ 20 mg/L | 50% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 11 | ≤ 2.9 mg/L | 279% |
| December 2025 | BOD, 5-day, 20 deg. C, monthly average | 19 | ≤ 10 mg/L | 90% |
| December 2025 | BOD, 5-day, 20 deg. C, weekly average | 19 | ≤ 15 mg/L | 27% |
| December 2025 | E. coli, daily maximum | 2540 | ≤ 126 #/100mL | 1916% |
| December 2025 | Nitrogen, ammonia total [as N], daily maximum | 13.9 | ≤ 12.1 mg/L | 15% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 13.9 | ≤ 2.9 mg/L | 379% |
| January 2026 | Nitrogen, ammonia total [as N], daily maximum | 38.9 | ≤ 12.1 mg/L | 221% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 38.9 | ≤ 3.1 mg/L | 1155% |
| February 2026 | BOD, 5-day, 20 deg. C, monthly average | 23 | ≤ 10 mg/L | 130% |
| February 2026 | BOD, 5-day, 20 deg. C, weekly average | 23 | ≤ 15 mg/L | 53% |
| February 2026 | Nitrogen, ammonia total [as N], daily maximum | 13.2 | ≤ 10.1 mg/L | 31% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 13.2 | ≤ 2.7 mg/L | 389% |
| July 2026 | E. coli, daily maximum | 150 | ≤ 126 #/100mL | 19% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | weekly average | ≤ 15 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 10 mg/L | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | weekly average | ≤ 20 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Feb |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jul, 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 | Apr, May |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.5 mg/L | Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.7 mg/L | Feb |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.7 mg/L | Jun |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.3 mg/L | Aug |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.9 mg/L | Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | Jul, Sep |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.1 mg/L | Jan, Mar |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Apr, May |
| 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 | ≤ 126 #/100mL | all year |
| E. coli | monthly average | report only (#/100mL) | all year |
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/MO0132977 · MCP: https://passage-data.com/mcp