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NPDES permit MN0021016 · Minor POTW · effective, expires 2031-05-31 · 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 7 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 (47)

OutfallParameterStatisticLimitMonths
D011Oxygen, dissolved [DO]MO MIN report only all year
D011pHMO MIN >= 6 SU all year
D011pHMO MAX <= 9 SU all year
D011Solids, total suspendedMO AVG <= 30 mg/L all year
D011Solids, total suspendedMO MAX report only Jul
D011Solids, total suspendedMX WK AV <= 45 mg/L all year
D011Solids, total suspendedMO AVG <= 110 kg/d all year
D011Solids, total suspendedMX WK AV <= 166 kg/d all year
D011Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D011Nitrogen, ammonia total [as N]MO AVG <= 3 mg/L Apr, May, Oct, Nov
D011Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L Jun, Jul, Aug, Sep
D011Nitrogen, ammonia total [as N]MO AVG <= 6 mg/L Jan, Feb, Mar, Dec
D011Nitrogen, ammonia total [as N]MO AVG <= 11 kg/d Apr, May, Oct, Nov
D011Nitrogen, ammonia total [as N]MO AVG <= 3.7 kg/d Jun, Jul, Aug, Sep
D011Nitrogen, ammonia total [as N]MO AVG <= 22.1 kg/d Jan, Feb, Mar, Dec
D011Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D011Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D011Phosphorus, total [as P]MO AVG report only all year
D011Phosphorus, total [as P]MO AVG report only all year
D011Phosphorus, total [as P]ANNL TOT <= 1344 kg/yr all year
D011Chloride [as Cl]DAILY MX <= 462 mg/L Jan, Mar, May, Jul, Sep, Nov
D011Sulfate, total [as SO4]QRTR AVG report only Mar, Jun, Sep, Dec
D011Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D011Flow, in conduit or thru treatment plantMO AVG report only all year
D011Flow, in conduit or thru treatment plantMO MAX report only all year
D011Flow, in conduit or thru treatment plantMO TOTAL report only all year
D011Chlorine, total residualDAILY MX <= .038 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
D011Solids, total dissolvedMO AVG report only Mar, Sep
D011Mercury, dissolved [as Hg]MO MAX report only Jul
D011Mercury, total [as Hg]MO MAX report only Jul
D011BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D011BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
D011BOD, carbonaceous [5 day, 20 C]MO AVG <= 92 kg/d all year
D011BOD, carbonaceous [5 day, 20 C]MX WK AV <= 147 kg/d all year
D011BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D011Solids, suspended percent removalMO AV MN >= 85 % all year
S014Precipitation, total defined period/inMO TOTAL report only all year
S014pHMO MIN report only all year
S014pHMO MAX report only all year
S014Solids, total suspendedMO AVG report only all year
S014Solids, total suspendedMO MAX report only all year
S014Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S014Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S014Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S014Phosphorus, total [as P]MO AVG report only all year
S014BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S014BOD, 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