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Refuse Systems, Perham, Minnesota. NPDES permit MN0067415, in force until Jan 31, 2030. Last 12 months: no values over a limit, 4 required values missing, 3 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Specific conductance | quarterly average | report only (umho/cm) | Mar, Jun, Sep, Dec |
| pH | instantaneous minimum | ≥ 6 SU | Mar, Jun, Sep, Dec |
| pH | instantaneous maximum | ≤ 9 SU | Mar, Jun, Sep, Dec |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | Mar, Sep |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Mar, Sep |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Mar, Sep |
| Phosphorus, total [as P] | quarterly average | report only (mg/L) | Mar, Jun, Sep, Dec |
| Sulfate, total [as SO4] | quarterly maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year |
| Chlorine, total residual | daily maximum | ≤ .038 mg/L | all year |
| Solids, total dissolved | monthly average | report only (mg/L) | Mar, Sep |
Cited limits by parameter: Minnesota's rules and the federal ones.
Same industry: the 3 Refuse Systems permits in Minnesota.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MN0067415 · MCP: https://passage-data.com/mcp