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Bemidji city of

Sewage treatment plant, major discharger, Bemidji, Minnesota. NPDES permit MN0022462 expired Mar 31, 2026; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D072 form A1 monthly (27 values), outfall D072 form A2 monthly (1 value), outfall S073 form A1 monthly (14 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 26 reports late

Limits in force (42)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD072
pHmonthly minimum≥ 6 SUall yearD072
pHmonthly maximum≤ 9 SUall yearD072
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD072
Solids, total suspendedmonthly maximumreport only (mg/L)Apr, SepD072
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall yearD072
Solids, total suspendedmonthly average≤ 284 kg/dall yearD072
Solids, total suspendedmaximum weekly average≤ 425 kg/dall yearD072
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearD072
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearD072
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearD072
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearD072
Phosphorus, total [as P]monthly average≤ .3 mg/Lall yearD072
Phosphorus, total [as P]monthly average≤ 2.8 kg/dall yearD072
Di[2-ethylhexyl] phthalate [DEHP]monthly maximumreport only (ug/L)Apr, SepD072
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD072
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD072
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD072
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD072
Solids, total dissolvedmonthly averagereport only (mg/L)Apr, SepD072
Mercury, dissolved [as Hg]monthly maximumreport only (ng/L)Apr, SepD072
Mercury, total [as Hg]monthly maximumreport only (ng/L)Apr, SepD072
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD072
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall yearD072
BOD, carbonaceous [5 day, 20 C]monthly average≤ 236.3 kg/dall yearD072
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 378 kg/dall yearD072
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD072
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD072
Precipitation, total defined period/inmonthly totalreport only (in)all yearS073
pHmonthly minimumreport only (SU)all yearS073
pHmonthly maximumreport only (SU)all yearS073
Solids, total suspendedmonthly averagereport only (mg/L)all yearS073
Solids, total suspendedmonthly maximumreport only (mg/L)all yearS073
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearS073
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearS073
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearS073
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearS073
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearS073
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearS073
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearS073
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearS073
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearS073

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/MN0022462 · MCP: https://passage-data.com/mcp