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Sewage treatment plant, major discharger, Sedalia, Missouri. NPDES permit MO0023027, in force until Oct 31, 2028. Last 12 months: over a limit 37 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Copper, total recoverable, monthly average | 25.6 | ≤ 22.9 ug/L | 12% |
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 4.26 | ≤ 2.9 mg/L | 47% |
| November 2025 | BOD, 5-day, 20 deg. C, monthly average | 31.7 | ≤ 30 mg/L | 6% |
| November 2025 | BOD, 5-day, 20 deg. C, weekly average | 50 | ≤ 45 mg/L | 11% |
| November 2025 | Copper, total recoverable, daily maximum | 87 | ≤ 45.1 ug/L | 93% |
| November 2025 | Copper, total recoverable, monthly average | 87 | ≤ 22.9 ug/L | 280% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 3.12 | ≤ 3.1 mg/L | 1% |
| November 2025 | Solids, total suspended, monthly average | 32.8 | ≤ 30 mg/L | 9% |
| November 2025 | Solids, total suspended, weekly average | 46 | ≤ 45 mg/L | 2% |
| December 2025 | BOD, 5-day, 20 deg. C, monthly average | 44 | ≤ 30 mg/L | 47% |
| December 2025 | BOD, 5-day, 20 deg. C, weekly average | 59 | ≤ 45 mg/L | 31% |
| December 2025 | Copper, total recoverable, daily maximum | 55 | ≤ 45.1 ug/L | 22% |
| December 2025 | Copper, total recoverable, monthly average | 55 | ≤ 22.9 ug/L | 140% |
| December 2025 | Nitrogen, ammonia total [as N], daily maximum | 11.8 | ≤ 10.1 mg/L | 17% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 9.07 | ≤ 2.9 mg/L | 213% |
| December 2025 | Solids, total suspended, monthly average | 32.5 | ≤ 30 mg/L | 8% |
| December 2025 | Solids, total suspended, weekly average | 46 | ≤ 45 mg/L | 2% |
| January 2026 | BOD, 5-day, 20 deg. C, monthly average | 47.3 | ≤ 30 mg/L | 58% |
| January 2026 | BOD, 5-day, 20 deg. C, weekly average | 68 | ≤ 45 mg/L | 51% |
| January 2026 | Copper, total recoverable, daily maximum | 50.3 | ≤ 45.1 ug/L | 12% |
| January 2026 | Copper, total recoverable, monthly average | 50.3 | ≤ 22.9 ug/L | 120% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 6.32 | ≤ 3.1 mg/L | 104% |
| January 2026 | Solids, suspended percent removal, monthly average minimum | 49.1 | ≥ 65 % | 45% |
| January 2026 | Solids, total suspended, monthly average | 50.6 | ≤ 30 mg/L | 69% |
| January 2026 | Solids, total suspended, weekly average | 71 | ≤ 45 mg/L | 58% |
| February 2026 | Copper, total recoverable, daily maximum | 59.3 | ≤ 45.1 ug/L | 31% |
| February 2026 | Copper, total recoverable, monthly average | 59.3 | ≤ 22.9 ug/L | 159% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 5.97 | ≤ 2.9 mg/L | 106% |
| March 2026 | Copper, total recoverable, monthly average | 43.9 | ≤ 22.9 ug/L | 92% |
| April 2026 | Nitrogen, ammonia total [as N], monthly average | 2.97 | ≤ 2.3 mg/L | 29% |
| April 2026 | Solids, total suspended, monthly average | 34.1 | ≤ 30 mg/L | 14% |
| April 2026 | Solids, total suspended, weekly average | 53 | ≤ 45 mg/L | 18% |
| May 2026 | Copper, total recoverable, monthly average | 26.6 | ≤ 22.9 ug/L | 16% |
| May 2026 | Nitrogen, ammonia total [as N], monthly average | 3.59 | ≤ 2.2 mg/L | 63% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 2.55 | ≤ 2.2 mg/L | 16% |
| July 2026 | Nitrogen, ammonia total [as N], monthly average | 3.59 | ≤ 2.2 mg/L | 63% |
| August 2026 | Nitrogen, ammonia total [as N], monthly average | 3.69 | ≤ 2.2 mg/L | 68% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 15 mg/L | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | monthly average | ≤ 10 mg/L | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jan, Nov | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Feb, Mar, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | May, Jun, Aug, Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.1 mg/L | Jan, Nov | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.9 mg/L | Feb, Mar, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.2 mg/L | May, Jun, Aug, Sep | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.9 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.2 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.3 mg/L | Apr | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Cadmium, total recoverable | daily maximum | ≤ 3.3 mg/L | all year | 001 |
| Cadmium, total recoverable | monthly average | ≤ 1 mg/L | all year | 001 |
| Copper, total recoverable | daily maximum | ≤ 45.1 ug/L | all year | 001 |
| Copper, total recoverable | monthly average | ≤ 22.9 ug/L | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 65 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 65 % | all year | 001 |
| 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 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | SM1 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | SM1 |
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/MO0023027 · MCP: https://passage-data.com/mcp