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Sewerage Systems, Wildwood, Missouri. NPDES permit MO0034509 expired Sep 30, 2025; its limits still apply. Last 12 months: over a limit once (last December 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| December 2025 | pH, maximum | 9.12 | ≤ 9 SU |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, 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, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrogen, Kjeldahl, 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 |
| Rainfall | total | report only (in) | all year | 005 |
| Rainfall | monthly total | report only (in) | all year | 005 |
| Freeboard | total | report only (ft) | all year | 005 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year | 007 |
| Oxygen, dissolved [DO] | monthly average minimum | ≥ 5 mg/L | all year | 007 |
| pH | minimum | ≥ 6.5 SU | all year | 007 |
| pH | maximum | ≤ 9 SU | all year | 007 |
| Solids, settleable | daily maximum | ≤ 1.5 mL/L | all year | 007 |
| Solids, settleable | monthly average | ≤ 1 mL/L | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 007 |
| Chlorine, total residual | daily maximum | ≤ .019 ug/L | all year | 007 |
| Chlorine, total residual | monthly average | ≤ .019 ug/L | all year | 007 |
| Application rate area sprayed | total | report only (acr) | all year | 008 |
| Application rate area sprayed | monthly total | report only (acr) | all year | 008 |
| Application rate, gallons spray irrigation | total | report only (gal) | all year | 008 |
| Application rate, gallons spray irrigation | monthly total | report only (gal) | all year | 008 |
| Spray irrigation | total | report only (hr/d) | all year | 008 |
| Spray irrigation | monthly total | report only (hr/d) | all year | 008 |
| Spray irrigation, application rate | total | report only (in/d) | all year | 008 |
| Spray irrigation, application rate | monthly total | report only (in/d) | all year | 008 |
| Application rate area sprayed | total | report only (acr) | all year | 009 |
| Application rate area sprayed | monthly total | report only (acr) | all year | 009 |
| Application rate, gallons spray irrigation | total | report only (gal) | all year | 009 |
| Application rate, gallons spray irrigation | monthly total | report only (gal) | all year | 009 |
| Spray irrigation | total | report only (hr/d) | all year | 009 |
| Spray irrigation | monthly total | report only (hr/d) | all year | 009 |
| Spray irrigation, application rate | total | report only (in/d) | all year | 009 |
| Spray irrigation, application rate | monthly total | report only (in/d) | all year | 009 |
| Application rate area sprayed | total | report only (acr) | all year | 010 |
| Application rate area sprayed | monthly total | report only (acr) | all year | 010 |
| Application rate, gallons spray irrigation | total | report only (gal) | all year | 010 |
| Application rate, gallons spray irrigation | monthly total | report only (gal) | all year | 010 |
| Spray irrigation | total | report only (hr/d) | all year | 010 |
| Spray irrigation | monthly total | report only (hr/d) | all year | 010 |
| Spray irrigation, application rate | total | report only (in/d) | all year | 010 |
| Spray irrigation, application rate | monthly total | report only (in/d) | all year | 010 |
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/MO0034509 · MCP: https://passage-data.com/mcp