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Millwork, Bayport, Minnesota. NPDES permit MN0001724, in force until Aug 31, 2031. No reports in EPA's file for the last 12 months. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly maximum | ≤ 86 deg F | all year | D003 |
| pH | instantaneous minimum | ≥ 6 SU | all year | D003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | D003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | D003 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | D003 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | D003 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | D003 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | D003 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | D003 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | D003 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | D003 |
| Temperature, water deg. fahrenheit | monthly maximum | ≤ 86 deg F | all year | D004 |
| pH | instantaneous minimum | ≥ 6 SU | all year | D004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | D004 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | D004 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | D004 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | D004 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | D004 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | D004 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | D004 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | D004 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | D004 |
| Temperature, water deg. fahrenheit | monthly maximum | ≤ 86 deg F | all year | D006 |
| pH | instantaneous minimum | ≥ 6 SU | all year | D006 |
| pH | instantaneous maximum | ≤ 9 SU | all year | D006 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | D006 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | D006 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | D006 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | D006 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | D006 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | D006 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | D006 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | D006 |
| Temperature, water deg. fahrenheit | monthly maximum | ≤ 86 deg F | all year | D007 |
| pH | instantaneous minimum | ≥ 6 SU | all year | D007 |
| pH | instantaneous maximum | ≤ 9 SU | all year | D007 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | D007 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | D007 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | D007 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | D007 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | D007 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | D007 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | D007 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | D007 |
| Temperature, water deg. fahrenheit | monthly maximum | ≤ 86 deg F | all year | D014 |
| Specific conductance | daily maximum | report only (umho/cm) | Mar, Jun, Sep, Dec | D014 |
| pH | instantaneous minimum | ≥ 6 SU | all year | D014 |
| pH | instantaneous maximum | ≤ 9 SU | all year | D014 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | D014 |
| Solids, total suspended | monthly maximum | ≤ 45 mg/L | all year | D014 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Mar, Sep | D014 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Mar, Sep | D014 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Mar, Sep | D014 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | D014 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D014 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | D014 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | D014 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | D014 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | D014 |
| Solids, total dissolved | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | D014 |
| Phosphorus, total [as P] | annual total | ≤ 104 kg/yr | all year | D015 |
Cited limits by parameter: Minnesota'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/MN0001724 · MCP: https://passage-data.com/mcp