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Pine River Area Sanitary District

Sewage treatment plant, Pine River, Minnesota. NPDES permit MN0046388, in force until Feb 28, 2029. Last 12 months: over a limit 2 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D021 form A1 monthly (25 values), outfall D021 form A3 monthly (1 value), outfall S022 form A1 monthly (14 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 6 required values missing, 0 of 37 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
November 2025Solids, suspended percent removal, monthly average minimum-50.74≥ 85 %905%
July 2026pH, monthly maximum10≤ 9 SU—

Limits in force (43)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD021
pHmonthly minimum≥ 6 SUall yearD021
pHmonthly maximum≤ 9 SUall yearD021
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD021
Solids, total suspendedmonthly maximumreport only (mg/L)JulD021
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall yearD021
Solids, total suspendedmonthly average≤ 27.9 kg/dall yearD021
Solids, total suspendedmaximum weekly average≤ 41.8 kg/dall yearD021
Nitrogen, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD021
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar, SepD021
Nitrogen, Kjeldahl, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD021
Nitrite + Nitrate total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD021
Phosphorus, total [as P]monthly average≤ 1 mg/Lall yearD021
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD021
Phosphorus, total [as P]annual total≤ 340 kg/yrall yearD021
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearD021
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD021
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD021
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD021
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD021
Solids, total dissolvedmonthly averagereport only (mg/L)Mar, SepD021
Mercury, dissolved [as Hg]monthly maximumreport only (ng/L)JulD021
Mercury, total [as Hg]monthly maximumreport only (ng/L)JulD021
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD021
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall yearD021
BOD, carbonaceous [5 day, 20 C]monthly average≤ 23.2 kg/dall yearD021
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 37.2 kg/dall yearD021
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD021
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD021
Precipitation, total defined period/inmonthly totalreport only (in)all yearS022
pHmonthly minimumreport only (SU)all yearS022
pHmonthly maximumreport only (SU)all yearS022
Solids, total suspendedmonthly averagereport only (mg/L)all yearS022
Solids, total suspendedmonthly maximumreport only (mg/L)all yearS022
Nitrogen, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS022
Nitrogen, Kjeldahl, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS022
Nitrite + Nitrate total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS022
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearS022
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearS022
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearS022
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearS022
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearS022
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearS022

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/MN0046388 · MCP: https://passage-data.com/mcp