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Grand Meadow city of

Sewage treatment plant, Grand Meadow, Minnesota. NPDES permit MN0023558 expired Feb 28, 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 D002 form A1 monthly (20 values), outfall S003 form A1 monthly (12 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (37)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD002
pHmonthly minimum≥ 6 SUall yearD002
pHmonthly maximum≤ 9 SUall yearD002
Solids, total suspendedmonthly average≤ 45 mg/Lall yearD002
Solids, total suspendedmaximum weekly average≤ 65 mg/Lall yearD002
Solids, total suspendedmonthly average≤ 177.4 kg/dall yearD002
Solids, total suspendedmaximum weekly average≤ 256.2 kg/dall yearD002
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearD002
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jun, DecD002
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearD002
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearD002
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearD002
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD002
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Jul, AugD002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Mar, Apr, May, Jun, Sep, Oct, Nov, DecD002
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)Jan, Feb, Jul, AugD002
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)Mar, Apr, May, Jun, Sep, Oct, Nov, DecD002
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)Jan, Feb, Jul, AugD002
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)Mar, Apr, May, Jun, Sep, Oct, Nov, DecD002
Solids, total dissolvedmonthly averagereport only (mg/L)Jun, DecD002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD002
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall yearD002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 98.5 kg/dall yearD002
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 157.6 kg/dall yearD002
Precipitation, total defined period/inmonthly totalreport only (in)all yearS003
pHquarterly minimumreport only (SU)Mar, Jun, Sep, DecS003
pHquarterly maximumreport only (SU)Mar, Jun, Sep, DecS003
Solids, total suspendedquarterly averagereport only (mg/L)Mar, Jun, Sep, DecS003
Nitrogen, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS003
Nitrogen, Kjeldahl, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS003
Nitrite + Nitrate total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS003
Phosphorus, total [as P]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearS003
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearS003
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearS003
BOD, carbonaceous [5 day, 20 C]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS003

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/MN0023558 · MCP: https://passage-data.com/mcp