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Sewerage Systems, Gray Summit, Missouri. NPDES permit MO0135844, in force until Nov 30, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Rainfall | total | report only (in) | all year | 001 |
| Rainfall | monthly total | report only (in) | all year | 001 |
| Freeboard | total | report only (ft) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Rainfall | total | report only (in) | all year | 002 |
| Rainfall | monthly total | report only (in) | all year | 002 |
| Freeboard | total | report only (ft) | 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 |
| Rainfall | total | report only (in) | all year | 003 |
| Rainfall | monthly total | report only (in) | all year | 003 |
| Freeboard | total | report only (ft) | 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 |
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/MO0135844 · MCP: https://passage-data.com/mcp