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University of Minnesota - Twin Cities

Sewage treatment plant, Coleraine, Minnesota. NPDES permit MN0051802, in force until Sep 30, 2027. Last 12 months: no values over a limit, 92 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D001 form A1 monthly (15 values), outfall D004 form A1 yearly
Renewal application due
Apr 3, 2027 · 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, 199 required values missing, 0 of 25 reports late

Limits in force (34)

ParameterStatisticLimitMonthsOutfall
Specific conductancemonthly maximumreport only (umho/cm)all yearD001
pHmonthly minimum≥ 6 SUall yearD001
pHmonthly maximum≤ 9 SUall yearD001
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD001
Solids, total suspendedmonthly maximum≤ 45 mg/Lall yearD001
Nitrogen, total [as N]monthly maximumreport only (mg/L)all yearD001
Nitrogen, Kjeldahl, total [as N]monthly maximumreport only (mg/L)all yearD001
Nitrite + Nitrate total [as N]monthly maximumreport only (mg/L)all yearD001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall yearD001
Phosphorus, total [as P]monthly maximum≤ 1.7 mg/Lall yearD001
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearD001
Cadmium, total [as Cd]monthly maximumreport only (ug/L)DecD001
Copper, total [as Cu]monthly maximumreport only (ug/L)DecD001
Naphthalenemonthly maximumreport only (ug/L)DecD001
Hardness, Ca Mg Calculated [mg/L as CaCO3]monthly maximumreport only (mg/L)DecD001
Diesel range organics diesel, total, wtrmonthly maximumreport only (ug/L)DecD001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearD001
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD001
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearD001
pHmonthly minimumreport only (SU)all yearD004
pHmonthly maximumreport only (SU)all yearD004
Solids, total suspendedannual averagereport only (mg/L)all yearD004
Arsenic, total [as As]annual averagereport only (mg/L)all yearD004
Cadmium, total [as Cd]annual averagereport only (mg/L)all yearD004
Copper, total [as Cu]annual averagereport only (mg/L)all yearD004
Iron, total [as Fe]annual averagereport only (mg/L)all yearD004
Lead, total [as Pb]annual averagereport only (mg/L)all yearD004
Nickel, total [as Ni]annual averagereport only (mg/L)all yearD004
Silver, total [as Ag]annual averagereport only (mg/L)all yearD004
Zinc, total [as Zn]annual averagereport only (mg/L)all yearD004
Antimony, total [as Sb]annual averagereport only (mg/L)all yearD004
Selenium, total [as Se]annual averagereport only (mg/L)all yearD004
Hardness, Ca Mg Calculated [mg/L as CaCO3]annual averagereport only (mg/L)all yearD004

How strict are these limits?

Cited limits by parameter: Minnesota's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MN0051802 · MCP: https://passage-data.com/mcp