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Sewage treatment plant, Peculiar, Missouri. NPDES permit MO0089443 expired Dec 31, 2025; its limits still apply. Last 12 months: over a limit 8 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | E. coli, 7-day geometric mean | 1300 | ≤ 1030 #/100mL | 26% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 4.9 | ≤ 3.5 mg/L | 40% |
| June 2026 | E. coli, 7-day geometric mean | 1730 | ≤ 1030 #/100mL | 68% |
| July 2026 | E. coli, 30-day geometric mean | 476 | ≤ 206 #/100mL | 131% |
| July 2026 | E. coli, 7-day geometric mean | 2620 | ≤ 1030 #/100mL | 154% |
| August 2026 | E. coli, 30-day geometric mean | 760 | ≤ 206 #/100mL | 269% |
| August 2026 | E. coli, 7-day geometric mean | 5790 | ≤ 1030 #/100mL | 462% |
| September 2026 | E. coli, 7-day geometric mean | 24200 | ≤ 1030 #/100mL | 2250% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | all year | 002 |
| Oil and grease [soxhlet extr.] tot. | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Dec | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.4 mg/L | Jan, Nov | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.4 mg/L | Jun | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Mar | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.4 mg/L | Aug | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Sep | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Feb, Apr, May, Oct | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jul | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.1 mg/L | Dec | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.5 mg/L | Jan, Nov | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.7 mg/L | Jun | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.7 mg/L | Mar | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | Aug | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.7 mg/L | Sep | 002 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Feb, Apr, May, Oct | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.3 mg/L | Jul | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| E. coli | 7-day geometric mean | ≤ 1030 #/100mL | Apr–Oct | 002 |
| E. coli | 30-day geometric mean | ≤ 206 #/100mL | Apr–Oct | 002 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year | 002 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | INF |
| Solids, total suspended | monthly average | report only (mg/L) | all year | INF |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | INF |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | INF |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | INF |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | INF |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | INF |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | INF |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | INF |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | INF |
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/MO0089443 · MCP: https://passage-data.com/mcp