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Lanesboro city of

Sewage treatment plant, Lanesboro, Minnesota. NPDES permit MN0020044 expired Aug 31, 2023; 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 D012 form A1 monthly (24 values), outfall S014 form A1 monthly (14 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (38)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD012
pHmonthly minimum≥ 6 SUall yearD012
pHmonthly maximum≤ 9 SUall yearD012
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD012
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall yearD012
Solids, total suspendedmonthly average≤ 12 kg/dall yearD012
Solids, total suspendedmaximum weekly average≤ 19 kg/dall yearD012
Nitrogen, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD012
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar, SepD012
Nitrogen, Kjeldahl, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD012
Nitrite + Nitrate total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD012
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearD012
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD012
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD012
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD012
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD012
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD012
Solids, total dissolvedmonthly averagereport only (mg/L)Mar, SepD012
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD012
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall yearD012
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 kg/dall yearD012
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 17 kg/dall yearD012
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD012
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD012
Precipitation, total defined period/inmonthly totalreport only (in)all yearS014
pHmonthly minimumreport only (SU)all yearS014
pHmonthly maximumreport only (SU)all yearS014
Solids, total suspendedmonthly averagereport only (mg/L)all yearS014
Solids, total suspendedmonthly maximumreport only (mg/L)all yearS014
Nitrogen, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS014
Nitrogen, Kjeldahl, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS014
Nitrite + Nitrate total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS014
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearS014
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearS014
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearS014
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearS014
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearS014
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearS014

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/MN0020044 · MCP: https://passage-data.com/mcp