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Sewage treatment plant, Mountain View, Missouri. NPDES permit MO0026310, in force until Feb 28, 2029. Last 12 months: over a limit once (last March 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 4.33 | ≤ 3.1 mg/L | 40% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | weekly average | ≤ 15 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 10 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 | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year | 002 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 15 mg/L | all year | 002 |
| Oil and grease [soxhlet extr.] tot. | monthly average | ≤ 10 mg/L | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jun | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Sep | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Aug | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Apr | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | May | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Oct | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jan, Mar, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jul | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Feb | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.7 mg/L | Jun | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.8 mg/L | Sep | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.3 mg/L | Aug | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.7 mg/L | Apr | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.2 mg/L | May | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.5 mg/L | Oct | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.1 mg/L | Jan, Mar, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | Jul | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.7 mg/L | Feb | 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 | daily maximum | ≤ 126 #/100mL | all year | 002 |
| E. coli | monthly average | ≤ 34 #/100mL | all year | 002 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 002 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| E. coli | daily maximum | ≤ 126 #/100mL | all year | 003 |
| Freeboard | total | report only (ft) | all year | 003 |
| Precipitation volume | total | report only (in/d) | all year | 003 |
| Precipitation volume | monthly total | report only (in/d) | all year | 003 |
| Application rate area sprayed | total | report only (acr) | all year | 004 |
| Application rate area sprayed | monthly total | report only (acr) | all year | 004 |
| Application rate, gallons spray irrigation | total | report only (gal) | all year | 004 |
| Application rate, gallons spray irrigation | monthly total | report only (gal) | all year | 004 |
| Spray irrigation | total | report only (hr/d) | all year | 004 |
| Spray irrigation | monthly total | report only (hr/d) | all year | 004 |
| Spray irrigation, application rate | total | report only (in/d) | all year | 004 |
| Spray irrigation, application rate | monthly total | report only (in/d) | all year | 004 |
| 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/MO0026310 · MCP: https://passage-data.com/mcp