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NPDES permit MN0023809 · Minor POTW · effective, expires 2031-02-28 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 40 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 21 days after each monitoring period ends (the most common figure among MN permits in EPA's filings — check your permit).

Limits in force (47)

OutfallParameterStatisticLimitMonths
D001Oxygen, dissolved [DO]MO MIN report only all year
D001pHMO MIN >= 6 SU all year
D001pHMO MAX <= 9 SU all year
D001Solids, total suspendedMO AVG <= 45 mg/L all year
D001Solids, total suspendedMX WK AV <= 65 mg/L all year
D001Solids, total suspendedANNL MAX report only all year
D001Solids, total suspendedMO AVG <= 205 kg/d all year
D001Solids, total suspendedMX WK AV <= 296 kg/d all year
D001Nitrogen, total [as N]MO AVG report only all year
D001Nitrogen, ammonia total [as N]MO AVG report only all year
D001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D001Nitrite + Nitrate total [as N]MO AVG report only all year
D001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
D001Phosphorus, total [as P]MO AVG <= 4.6 kg/d all year
D001Phosphorus, total [as P]YA <= 276 kg/yr all year
D001Sulfate, total [as SO4]MO MAX report only all year
D001Copper, total [as Cu]MO AVG <= 16 ug/L all year
D001Copper, total [as Cu]DAILY MX <= 37 ug/L all year
D001Zinc, total [as Zn]MO MAX report only all year
D001Hardness, Ca Mg Calculated [mg/L as CaCO3]MO AVG report only all year
D001Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D001Flow, in conduit or thru treatment plantMO AVG report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D001Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Jul, Aug
D001Flow, in conduit or thru treatment plantMO MAX report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D001Flow, in conduit or thru treatment plantMO MAX report only Jan, Feb, Jul, Aug
D001Flow, in conduit or thru treatment plantMO TOTAL report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D001Flow, in conduit or thru treatment plantMO TOTAL report only Jan, Feb, Jul, Aug
D001Solids, total dissolvedMO MAX report only all year
D001Mercury, dissolved [as Hg]ANNL MAX report only all year
D001Mercury, total [as Hg]ANNL MAX report only all year
D001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
D001BOD, carbonaceous [5 day, 20 C]MO AVG <= 114 kg/d all year
D001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 182 kg/d all year
S004Precipitation, total defined period/inMO TOTAL report only all year
S004pHQB report only Mar, Jun, Sep, Dec
S004Solids, total suspendedQRTR AVG report only Mar, Jun, Sep, Dec
S004Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S004Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S004Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S004Phosphorus, total [as P]QRTR AVG report only Mar, Jun, Sep, Dec
S004Copper, total [as Cu]MO MAX report only all year
S004Zinc, total [as Zn]MO MAX report only all year
S004Flow, in conduit or thru treatment plantMO AVG report only all year
S004Flow, in conduit or thru treatment plantMO MAX report only all year
S004Flow, in conduit or thru treatment plantMO TOTAL report only all year
S004BOD, carbonaceous [5 day, 20 C]QRTR AVG report only Mar, Jun, Sep, Dec

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states