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Ogema

Sewage treatment plant, Ogema, Minnesota. NPDES permit MN0049794, in force until Jun 1, 2031. Last 12 months: no values over a limit, 4 required values missing, 1 of 17 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 22 days after each period: form I twice a year, form N twice a year, form P quarterly, form Q quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 8 required values missing, 2 of 20 reports late

Limits in force (72)

ParameterStatisticLimitMonths
Flow ratemonthly averagereport only (MGD)all year
Flow ratemonthly averagereport only (MGD)all year
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year
pHdaily minimum≥ 6 SUall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
pHdaily maximum≤ 9 SUall year
pHminimumreport only (SU)all year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendedmonthly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 45 mg/Lall year
Solids, total suspendedweekly average≤ 65 mg/Lall year
Solids, total suspendedweekly average≤ 65 mg/Lall year
Solids, total suspendedmonthly average≤ 35 kg/dall year
Solids, total suspendedmonthly average≤ 35 kg/dall year
Solids, total suspendedweekly average≤ 51 kg/dall year
Solids, total suspendedweekly average≤ 51 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, Sep
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, Sep
Nitrogen, ammonia total [as N]monthly average≤ 3.85 mg/LMay–Sep
Nitrogen, ammonia total [as N]monthly average≤ 3.85 mg/LMay–Sep
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 7.1 mg/LMay–Sep
Nitrogen, ammonia total [as N]daily maximum≤ 7.1 mg/LMay–Sep
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar, Sep
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar, Sep
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, Sep
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, Sep
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Sep
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Sep
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (kg/d)all year
Phosphorus, total [as P]monthly averagereport only (kg/d)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
E. coligeometric mean≤ 126 #/100mLApr–Oct
E. coligeometric mean≤ 126 #/100mLApr–Oct
E. colidaily maximum≤ 410 #/100mLApr–Oct
E. colidaily maximum≤ 410 #/100mLApr–Oct
Precipitation volumetotalreport only (in/mo)all year
Precipitation volumetotalreport only (in/mo)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 kg/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 kg/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 31 kg/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 31 kg/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carb-5 day, 20 deg C, percent removalminimum % removal≥ 85 %all year
BOD, carb-5 day, 20 deg C, percent removalminimum % removal≥ 85 %all year
Solids, suspended percent removalminimum % removal≥ 65 %all year
Solids, suspended percent removalminimum % removal≥ 65 %all year
Sulfatemonthly averagereport only (mg/L)all year
Sulfatemonthly averagereport only (mg/L)all year

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/MN0049794 · MCP: https://passage-data.com/mcp