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Peterson city of

Sewage treatment plant, Peterson, Minnesota. NPDES permit MN0024490 expired Oct 31, 2025; 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 D005 form A1 monthly (22 values), outfall S006 form A1 monthly (11 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 6 required values missing, 0 of 24 reports late

Limits in force (33)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD005
pHmonthly minimum≥ 6 SUall yearD005
pHmonthly maximum≤ 9 SUall yearD005
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD005
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall yearD005
Solids, total suspendedmonthly average≤ 5.7 kg/dall yearD005
Solids, total suspendedmaximum weekly average≤ 8.5 kg/dall yearD005
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, SepD005
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, SepD005
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, SepD005
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearD005
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD005
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD005
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD005
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD005
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD005
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall yearD005
BOD, carbonaceous [5 day, 20 C]monthly average≤ 4.7 kg/dall yearD005
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 7.6 kg/dall yearD005
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD005
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD005
Precipitation, total defined period/inmonthly totalreport only (in)all yearS006
pHmonthly minimumreport only (SU)all yearS006
pHmonthly maximumreport only (SU)all yearS006
Solids, total suspendedmonthly averagereport only (mg/L)all yearS006
Solids, total suspendedmonthly maximumreport only (mg/L)all yearS006
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, SepS006
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, SepS006
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, SepS006
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearS006
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearS006
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearS006

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/MN0024490 · MCP: https://passage-data.com/mcp