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US Army Corps of Engineers

Federal facility (Sewerage Systems), Federal Dam, Minnesota. NPDES permit MN0110027, in force until Dec 31, 2026. Last 12 months: over a limit 2 times (last June 2026), 1 required value missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D002 form A1 monthly (24 values), outfall S003 form A1 monthly (14 values)
Renewal application due
Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
May 2026Solids, suspended percent removal, monthly average minimum82≥ 85 %20%
June 2026Coliform, fecal MPN + membrane ftl 44.5 C, monthly geometric mean540≤ 200 #/100mL170%

Limits in force (38)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)Apr–NovD002
pHmonthly minimum≥ 6 SUApr–NovD002
pHmonthly maximum≤ 9 SUApr–NovD002
Solids, total suspendedmonthly average≤ 30 mg/LApr–NovD002
Solids, total suspendedmaximum weekly average≤ 45 mg/LApr–NovD002
Solids, total suspendedmonthly average≤ 1.8 kg/dApr–NovD002
Solids, total suspendedmaximum weekly average≤ 2.7 kg/dApr–NovD002
Nitrogen, total [as N]monthly averagereport only (mg/L)May, SepD002
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)May, SepD002
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)May, SepD002
Phosphorus, total [as P]monthly averagereport only (mg/L)Apr–NovD002
Phosphorus, total [as P]monthly averagereport only (kg/d)Apr–NovD002
Sulfate, total [as SO4]monthly maximumreport only (mg/L)May, Jul, SepD002
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Apr–NovD002
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)Apr–NovD002
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)Apr–NovD002
Chlorine, total residualdaily maximum≤ .038 mg/LApr–OctD002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LApr–NovD002
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/LApr–NovD002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1.5 kg/dApr–NovD002
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 2.4 kg/dApr–NovD002
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %Apr–NovD002
Solids, suspended percent removalmonthly average minimum≥ 85 %Apr–NovD002
Precipitation, total defined period/inmonthly totalreport only (in)Apr–NovS003
pHmonthly minimumreport only (SU)Apr–NovS003
pHmonthly maximumreport only (SU)Apr–NovS003
Solids, total suspendedmonthly averagereport only (mg/L)Apr–NovS003
Solids, total suspendedmonthly maximumreport only (mg/L)Apr–NovS003
Nitrogen, total [as N]monthly averagereport only (mg/L)May, SepS003
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)May, SepS003
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)May, SepS003
Phosphorus, total [as P]monthly averagereport only (mg/L)Apr–NovS003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Apr–NovS003
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)Apr–NovS003
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)Apr–NovS003
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Apr–NovS003
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)Apr–NovS003

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/MN0110027 · MCP: https://passage-data.com/mcp