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Industrial or other facility, major discharger, International Falls, Minnesota. NPDES permit MN0001643, in force until Oct 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 4720 kg/d | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 8905 kg/d | all year |
| pH | monthly minimum | ≥ 6 SU | all year |
| pH | monthly maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Solids, total suspended | daily maximum | report only (mg/L) | all year |
| Solids, total suspended | monthly average | ≤ 7935 kg/d | all year |
| Solids, total suspended | daily maximum | report only (kg/d) | Mar, Jun, Sep, Dec |
| Solids, total suspended | daily maximum | ≤ 14933 kg/d | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, total [as N] | monthly average | report only (kg/d) | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | report only (kg/d) | Mar, Jun, Sep, Dec |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (kg/d) | all year |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | monthly average | report only (kg/d) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | annual total | ≤ 33100 kg/yr | all year |
| Halogens, adsorbable organic | monthly average | report only (mg/L) | all year |
| Halogens, adsorbable organic | daily maximum | report only (mg/L) | all year |
| Halogens, adsorbable organic | monthly average | ≤ 567 kg/d | all year |
| Halogens, adsorbable organic | daily maximum | ≤ 865 kg/d | all year |
| 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 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year |
| Solids, total dissolved | daily maximum | report only (kg/d) | all year |
| Mercury, dissolved [as Hg] | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec |
| Mercury, dissolved [as Hg] | daily maximum | report only (g/d) | Mar, Jun, Sep, Dec |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec |
| Mercury, total [as Hg] | daily maximum | report only (g/d) | Mar, Jun, Sep, Dec |
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/MN0001643 · MCP: https://passage-data.com/mcp