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NPDES permit MN0023451 · Minor POTW · effective, expires 2027-01-31 · 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 99 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 (82)

OutfallParameterStatisticLimitMonths
D003Oxygen, dissolved [DO]MO MIN report only all year
D003pHMO MIN >= 6 SU all year
D003pHMO MAX <= 9 SU all year
D003Solids, total suspendedMO AVG <= 45 mg/L all year
D003Solids, total suspendedMX WK AV <= 65 mg/L all year
D003Solids, total suspendedMO AVG <= 139 kg/d all year
D003Solids, total suspendedMX WK AV <= 200 kg/d all year
D003Nitrogen, total [as N]MO AVG report only all year
D003Nitrogen, ammonia total [as N]MO AVG report only all year
D003Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D003Nitrite + Nitrate total [as N]MO AVG report only all year
D003Phosphorus, total [as P]MO AVG report only all year
D003Phosphorus, total [as P]MO AVG report only all year
D003Phosphorus, total [as P]YA report only all year
D003Sulfate, total [as SO4]MO AVG report only all year
D003Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL May, Jun, Jul, Aug, Sep, Oct
D003Flow, in conduit or thru treatment plantMO AVG report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D003Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Jul, Aug
D003Flow, in conduit or thru treatment plantMO MAX report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D003Flow, in conduit or thru treatment plantMO MAX report only Jan, Feb, Jul, Aug
D003Flow, in conduit or thru treatment plantMO TOTAL report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D003Flow, in conduit or thru treatment plantMO TOTAL report only Jan, Feb, Jul, Aug
D003Solids, total dissolvedMO AVG report only all year
D003BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D003BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
D003BOD, carbonaceous [5 day, 20 C]MO AVG <= 77 kg/d all year
D003BOD, carbonaceous [5 day, 20 C]MX WK AV <= 123 kg/d all year
D004Oxygen, dissolved [DO]MO MIN report only all year
D004pHMO MIN >= 6 SU all year
D004pHMO MAX <= 9 SU all year
D004Solids, total suspendedMO AVG <= 45 mg/L all year
D004Solids, total suspendedANNL MAX report only all year
D004Solids, total suspendedMX WK AV <= 65 mg/L all year
D004Solids, total suspendedMO AVG <= 347 kg/d all year
D004Solids, total suspendedMX WK AV <= 501 kg/d all year
D004Nitrogen, total [as N]MO AVG report only all year
D004Nitrogen, ammonia total [as N]MO AVG report only all year
D004Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D004Nitrite + Nitrate total [as N]MO AVG report only all year
D004Phosphorus, total [as P]MO AVG report only all year
D004Phosphorus, total [as P]MO AVG report only all year
D004Phosphorus, total [as P]YA report only all year
D004Sulfate, total [as SO4]MO AVG report only all year
D004Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL May, Jun, Jul, Aug, Sep, Oct
D004Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Jul, Aug
D004Flow, in conduit or thru treatment plantMO AVG report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D004Flow, in conduit or thru treatment plantMO MAX report only Jan, Feb, Jul, Aug
D004Flow, in conduit or thru treatment plantMO MAX report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D004Flow, in conduit or thru treatment plantMO TOTAL report only Jan, Feb, Jul, Aug
D004Flow, in conduit or thru treatment plantMO TOTAL report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D004Solids, total dissolvedMO AVG report only all year
D004Mercury, dissolved [as Hg]ANNL MAX report only all year
D004Mercury, total [as Hg]ANNL MAX report only all year
D004BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D004BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
D004BOD, carbonaceous [5 day, 20 C]MO AVG <= 193 kg/d all year
D004BOD, carbonaceous [5 day, 20 C]MX WK AV <= 308 kg/d all year
D008Phosphorus, total [as P]YA <= 1026 kg/yr all year
S006Precipitation, total defined period/inMO TOTAL report only all year
S006pHQB report only Mar, Jun, Sep, Dec
S006Solids, total suspendedQRTR AVG report only Mar, Jun, Sep, Dec
S006Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S006Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S006Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S006Phosphorus, total [as P]QRTR AVG report only Mar, Jun, Sep, Dec
S006Flow, in conduit or thru treatment plantMO AVG report only all year
S006Flow, in conduit or thru treatment plantMO MAX report only all year
S006Flow, in conduit or thru treatment plantMO TOTAL report only all year
S006BOD, carbonaceous [5 day, 20 C]QRTR AVG report only Mar, Jun, Sep, Dec
S007Precipitation, total defined period/inMO TOTAL report only all year
S007pHQB report only Mar, Jun, Sep, Dec
S007Solids, total suspendedQRTR AVG report only Mar, Jun, Sep, Dec
S007Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S007Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S007Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S007Phosphorus, total [as P]QRTR AVG report only Mar, Jun, Sep, Dec
S007Flow, in conduit or thru treatment plantMO AVG report only all year
S007Flow, in conduit or thru treatment plantMO MAX report only all year
S007Flow, in conduit or thru treatment plantMO TOTAL report only all year
S007BOD, carbonaceous [5 day, 20 C]QRTR AVG report only Mar, Jun, Sep, Dec
W001Sulfate, total [as SO4]MO MAX report only all year
W002Sulfate, total [as SO4]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