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Tower/Breitung Wastewater Board

Sewage treatment plant, Soudan, Minnesota. NPDES permit MN0072192, in force until Feb 28, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D001 form A1 monthly (23 values), outfall S002 form A1 monthly (11 values)
Last report on file
August 2026

Limits in force (34)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD001
pHmonthly minimum≥ 6 SUall yearD001
pHmonthly maximum≤ 9 SUall yearD001
Solids, total suspendedmonthly average≤ 45 mg/Lall yearD001
Solids, total suspendedmaximum weekly average≤ 65 mg/Lall yearD001
Solids, total suspendedmonthly average≤ 244 kg/dall yearD001
Solids, total suspendedmaximum weekly average≤ 352.4 kg/dall yearD001
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearD001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearD001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearD001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearD001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall yearD001
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD001
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearD001
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Mar, Apr, May, Jun, Sep, Oct, Nov, DecD001
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)Mar, Apr, May, Jun, Sep, Oct, Nov, DecD001
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)Mar, Apr, May, Jun, Sep, Oct, Nov, DecD001
Solids, total dissolvedmonthly averagereport only (mg/L)all yearD001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall yearD001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 135.6 kg/dall yearD001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 67.8 kg/dall yearD001
Precipitation, total defined period/inmonthly totalreport only (in)all yearS002
pHquarterly maximumreport only (SU)Mar, Jun, Sep, DecS002
Solids, total suspendedquarterly averagereport only (mg/L)Mar, Jun, Sep, DecS002
Nitrogen, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS002
Nitrogen, Kjeldahl, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS002
Nitrite + Nitrate total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS002
Phosphorus, total [as P]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearS002
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearS002
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearS002
BOD, carbonaceous [5 day, 20 C]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS002

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/MN0072192 · MCP: https://passage-data.com/mcp