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NPDES permit MN0023931 · Minor POTW · effective, expires 2027-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 44 forms filed late

Last period with anything received: 2026-07-31.

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 (53)

OutfallParameterStatisticLimitMonths
D024Specific conductanceMO MAX report only all year
D024Oxygen, dissolved [DO]MO MIN report only all year
D024pHMO MIN >= 6 SU all year
D024pHMO MAX <= 9 SU all year
D024Bicarbonate ion- [as HCO3]MO MAX report only all year
D024Solids, total suspendedMO AVG <= 30 mg/L all year
D024Solids, total suspendedMO MAX report only Jul
D024Solids, total suspendedMX WK AV <= 45 mg/L all year
D024Solids, total suspendedMO AVG <= 93.6 kg/d all year
D024Solids, total suspendedMX WK AV <= 140 kg/d all year
D024Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D024Nitrogen, ammonia total [as N]MO AVG report only Mar, Sep
D024Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D024Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D024Phosphorus, total [as P]MO AVG <= 1 mg/L all year
D024Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D024Phosphorus, total [as P]MO AVG <= 4.1 kg/d Jun, Jul, Aug, Sep
D024Phosphorus, total [as P]ANNL TOT <= 1138 kg/yr all year
D024Calcium, total [as Ca]MO MAX report only all year
D024Magnesium, total [as Mg]MO MAX report only all year
D024Sodium, total [as Na]MO MAX report only all year
D024Potassium, total [as K]MO MAX report only all year
D024Chloride [as Cl]MO AVG <= 230 mg/L all year
D024Chloride [as Cl]DAILY MX <= 292 mg/L all year
D024Hardness, Ca Mg Calculated [mg/L as CaCO3]MO MAX report only all year
D024Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL May, Jun, Jul, Aug, Sep, Oct
D024Flow, in conduit or thru treatment plantMO AVG report only all year
D024Flow, in conduit or thru treatment plantMO MAX report only all year
D024Flow, in conduit or thru treatment plantMO TOTAL report only all year
D024Chlorine, total residualDAILY MX <= .038 mg/L May, Jun, Jul, Aug, Sep, Oct
D024Solids, total dissolvedMO MAX report only all year
D024Mercury, dissolved [as Hg]MO MAX report only Jul
D024Mercury, total [as Hg]MO MAX report only Jul
D024BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L all year
D024BOD, carbonaceous [5 day, 20 C]MX WK AV <= 25 mg/L all year
D024BOD, carbonaceous [5 day, 20 C]MO AVG <= 46.8 kg/d all year
D024BOD, carbonaceous [5 day, 20 C]MX WK AV <= 77.9 kg/d all year
D024BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D024Solids, suspended percent removalMO AV MN >= 85 % all year
S026Precipitation, total defined period/inMO TOTAL report only all year
S026pHMO MIN report only all year
S026pHMO MAX report only all year
S026Solids, total suspendedMO AVG report only all year
S026Solids, total suspendedMO MAX report only all year
S026Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S026Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S026Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S026Phosphorus, total [as P]MO AVG report only all year
S026Flow, in conduit or thru treatment plantMO AVG report only all year
S026Flow, in conduit or thru treatment plantMO MAX report only all year
S026Flow, in conduit or thru treatment plantMO TOTAL report only all year
S026BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S026BOD, carbonaceous [5 day, 20 C]MO MAX report only all year

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