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Sewage treatment plant, major discharger, Virginia, Minnesota. NPDES permit MN0030163 expired Mar 31, 2026; 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 D023 form A1 monthly (36 values), outfall D023 form A2 monthly (2 values), outfall D023 form A3 monthly (1 value), outfall S024 form A1 monthly (14 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 38 reports late

Limits in force (53)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD023
pHmonthly minimum≥ 6 SUall yearD023
pHmonthly maximum≤ 9 SUall yearD023
Bicarbonate ion- [as HCO3]monthly maximumreport only (mg/L)Mar, SepD023
Solids, total suspendedmonthly averagereport only (mg/L)May, SepD023
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD023
Solids, total suspendeddaily maximumreport only (mg/L)May, SepD023
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall yearD023
Solids, total suspendedmonthly average≤ 488.3 kg/dall yearD023
Solids, total suspendedmaximum weekly average≤ 732.3 kg/dall yearD023
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearD023
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearD023
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearD023
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearD023
Phosphorus, total [as P]monthly average≤ .07 mg/Lall yearD023
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD023
Phosphorus, total [as P]annual total≤ 279 kg/yrall yearD023
Calcium, total [as Ca]monthly maximumreport only (mg/L)Mar, SepD023
Magnesium, total [as Mg]monthly maximumreport only (mg/L)Mar, SepD023
Sodium, total [as Na]monthly maximumreport only (mg/L)Mar, SepD023
Potassium, total [as K]monthly maximumreport only (mg/L)Mar, SepD023
Chloride [as Cl]monthly maximumreport only (mg/L)Mar, SepD023
Sulfate, total [as SO4]monthly maximumreport only (mg/L)Mar, SepD023
Hardness, Ca Mg Calculated [mg/L as CaCO3]monthly maximumreport only (mg/L)Mar, SepD023
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD023
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD023
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD023
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD023
Solids, total dissolvedmonthly maximumreport only (mg/L)Mar, SepD023
Mercury, total [as Hg]monthly average≤ 1.8 ng/LMay, SepD023
Mercury, total [as Hg]daily maximum≤ 3.2 ng/LMay, SepD023
Mercury, total [as Hg]monthly average≤ 29.3 mg/dMay, SepD023
Mercury, total [as Hg]daily maximum≤ 52.1 mg/dMay, SepD023
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall yearD023
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 25 mg/Lall yearD023
BOD, carbonaceous [5 day, 20 C]monthly average≤ 244.1 kg/dall yearD023
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 406.9 kg/dall yearD023
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD023
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD023
Precipitation, total defined period/inmonthly totalreport only (in)all yearS024
pHmonthly minimumreport only (SU)all yearS024
pHmonthly maximumreport only (SU)all yearS024
Solids, total suspendedmonthly averagereport only (mg/L)all yearS024
Solids, total suspendedmonthly maximumreport only (mg/L)all yearS024
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearS024
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearS024
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearS024
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearS024
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearS024
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearS024
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearS024
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearS024
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearS024

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/MN0030163 · MCP: https://passage-data.com/mcp