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Dumont city of

Sewage treatment plant, Dumont, Minnesota. NPDES permit MN0064831, in force until Mar 31, 2027. Last 12 months: over a limit 2 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D009 form A1 monthly (20 values), outfall D009 form A2 monthly (1 value), outfall S013 form A1 monthly (10 values)
Renewal application due
Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 1 required value missing, 0 of 36 reports late

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

Period endingParameterReportedLimitOver by
September 2026Solids, total suspended, monthly average19.3≤ 19.1 kg/d1%
September 2026Solids, total suspended, monthly average46≤ 45 mg/L2%

Limits in force (35)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD009
pHmonthly minimum≥ 6 SUall yearD009
pHmonthly maximum≤ 9 SUall yearD009
Solids, total suspendedmonthly average≤ 45 mg/Lall yearD009
Solids, total suspendedmaximum weekly average≤ 65 mg/Lall yearD009
Solids, total suspendedmonthly average≤ 19.1 kg/dall yearD009
Solids, total suspendedmaximum weekly average≤ 27.6 kg/dall yearD009
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearD009
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearD009
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearD009
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearD009
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD009
Phosphorus, total [as P]year-to-date total≤ 41 kg/yrall yearD009
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD009
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Mar, Apr, May, Jun, Sep, Oct, Nov, DecD009
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Jul, AugD009
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)Mar, Apr, May, Jun, Sep, Oct, Nov, DecD009
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)Jan, Feb, Jul, AugD009
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)Mar, Apr, May, Jun, Sep, Oct, Nov, DecD009
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)Jan, Feb, Jul, AugD009
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD009
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall yearD009
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10.6 kg/dall yearD009
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 17 kg/dall yearD009
Precipitation, total defined period/inmonthly totalreport only (in)all yearS013
pHquarterly maximumreport only (SU)Mar, Jun, Sep, DecS013
Solids, total suspendedquarterly averagereport only (mg/L)Mar, Jun, Sep, DecS013
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, SepS013
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, SepS013
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, SepS013
Phosphorus, total [as P]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS013
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearS013
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearS013
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearS013
BOD, carbonaceous [5 day, 20 C]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS013

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/MN0064831 · MCP: https://passage-data.com/mcp