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Water Supply, Richfield, Minnesota. NPDES permit MN0070173, in force until Jun 30, 2031. Last 12 months: no values over a limit, 16 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | report only (SU) | all year | D001 |
| pH | instantaneous maximum | report only (SU) | all year | D001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | D001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | D001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | D001 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | D001 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | D001 |
| Phosphorous, in total orthophosphate | monthly average | report only (mg/L) | all year | D001 |
| pH | instantaneous minimum | report only (SU) | all year | S002 |
| pH | instantaneous maximum | report only (SU) | all year | S002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | S002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | S002 |
| Phosphorous, in total orthophosphate | monthly average | report only (mg/L) | all year | S002 |
Cited limits by parameter: Minnesota's rules and the federal ones.
Same industry: the 8 Water Supply 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/MN0070173 · MCP: https://passage-data.com/mcp