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Emmons city of

Sewage treatment plant, Emmons, Minnesota. NPDES permit MN0023311, in force until Jan 31, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D004 form A1 monthly (27 values), outfall S005 form A1 monthly (11 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (40)

ParameterStatisticLimitMonthsOutfall
Specific conductancemonthly maximumreport only (umho/cm)Mar, SepD004
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD004
pHmonthly minimum≥ 6 SUall yearD004
pHmonthly maximum≤ 9 SUall yearD004
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD004
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall yearD004
Solids, total suspendedmonthly average≤ 14.1 kg/dall yearD004
Solids, total suspendedmaximum weekly average≤ 21 kg/dall yearD004
Nitrogen, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD004
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar, SepD004
Nitrogen, Kjeldahl, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD004
Nitrite + Nitrate total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD004
Phosphorus, total [as P]monthly averagereport only (mg/L)Jun–SepD004
Phosphorus, total [as P]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Oct, Nov, DecD004
Phosphorus, total [as P]monthly average≤ 1.1 kg/dJun–SepD004
Phosphorus, total [as P]monthly averagereport only (kg/d)Jan, Feb, Mar, Apr, May, Oct, Nov, DecD004
Chloride [as Cl]monthly maximumreport only (mg/L)Mar, SepD004
Sulfate, total [as SO4]monthly maximumreport only (mg/L)Mar, SepD004
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD004
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD004
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD004
Solids, total dissolvedmonthly averagereport only (mg/L)Mar, SepD004
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall yearD004
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 25 mg/Lall yearD004
BOD, carbonaceous [5 day, 20 C]monthly average≤ 7 kg/dall yearD004
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 12 kg/dall yearD004
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD004
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD004
Precipitation, total defined period/inmonthly totalreport only (in)all yearS005
pHmonthly minimumreport only (SU)all yearS005
pHmonthly maximumreport only (SU)all yearS005
Solids, total suspendedmonthly averagereport only (mg/L)all yearS005
Solids, total suspendedmonthly maximumreport only (mg/L)all yearS005
Nitrogen, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS005
Nitrogen, Kjeldahl, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS005
Nitrite + Nitrate total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS005
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearS005
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearS005
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearS005

How strict are these limits?

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/MN0023311 · MCP: https://passage-data.com/mcp