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NPDES permit MN0021202 · Minor POTW · effective, expires 2030-02-28 · 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 35 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 (64)

OutfallParameterStatisticLimitMonths
D003Specific conductanceMO MAX report only all year
D003Oxygen, dissolved [DO]MO MIN >= 6 mg/L Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
D003Oxygen, dissolved [DO]MO MIN report only Apr, May
D003pHMO MIN >= 6 SU all year
D003pHMO MAX <= 9 SU all year
D003Solids, total suspendedMO AVG report only May, Sep
D003Solids, total suspendedMO AVG <= 30 mg/L all year
D003Solids, total suspendedDAILY MX report only May, Sep
D003Solids, total suspendedMX WK AV <= 45 mg/L all year
D003Solids, total suspendedMO AVG <= 49.3 kg/d all year
D003Solids, total suspendedMX WK AV <= 74 kg/d all year
D003Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D003Nitrogen, ammonia total [as N]MO AVG report only Apr, May
D003Nitrogen, ammonia total [as N]MO AVG <= 12 mg/L Oct, Nov
D003Nitrogen, ammonia total [as N]MO AVG <= 5 mg/L Jan, Feb, Mar, Dec
D003Nitrogen, ammonia total [as N]MO AVG <= 2.3 mg/L Jun, Jul, Aug, Sep
D003Nitrogen, ammonia total [as N]MO AVG report only Apr, May
D003Nitrogen, ammonia total [as N]MO AVG <= 19.7 kg/d Oct, Nov
D003Nitrogen, ammonia total [as N]MO AVG <= 8.2 kg/d Jan, Feb, Mar, Dec
D003Nitrogen, ammonia total [as N]MO AVG <= 3.8 kg/d Jun, Jul, Aug, Sep
D003Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D003Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D003Phosphorus, total [as P]MO AVG report only all year
D003Phosphorus, total [as P]1D <= 1 mg/L all year
D003Phosphorus, total [as P]MO AVG report only all year
D003Phosphorus, total [as P]ANNL TOT <= 601 kg/yr all year
D003Chloride [as Cl]MO AVG <= 607 mg/L all year
D003Chloride [as Cl]DAILY MX report only all year
D003Sulfate, total [as SO4]MO AVG 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 Apr, May, Jun, Jul, Aug, Sep, Oct
D003Flow, in conduit or thru treatment plantMO AVG report only all year
D003Flow, in conduit or thru treatment plantMO MAX report only all year
D003Flow, in conduit or thru treatment plantMO TOTAL report only all year
D003Solids, total dissolvedMO MAX report only all year
D003Mercury, dissolved [as Hg]MO AVG report only May, Sep
D003Mercury, dissolved [as Hg]DAILY MX report only May, Sep
D003Mercury, total [as Hg]MO AVG <= 10 ng/L May, Sep
D003Mercury, total [as Hg]DAILY MX <= 17 ng/L May, Sep
D003BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
D003BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L Apr, May
D003BOD, carbonaceous [5 day, 20 C]MX WK AV <= 22.5 mg/L Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
D003BOD, carbonaceous [5 day, 20 C]MX WK AV <= 37.5 mg/L Apr, May
D003BOD, carbonaceous [5 day, 20 C]MO AVG <= 24.7 kg/d Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
D003BOD, carbonaceous [5 day, 20 C]MO AVG <= 41.1 kg/d Apr, May
D003BOD, carbonaceous [5 day, 20 C]MX WK AV <= 37 kg/d Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
D003BOD, carbonaceous [5 day, 20 C]MX WK AV <= 61.7 kg/d Apr, May
D003BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D003Solids, suspended percent removalMO AV MN >= 85 % all year
S004Precipitation, total defined period/inMO TOTAL report only all year
S004pHMO MIN report only all year
S004pHMO MAX report only all year
S004Solids, total suspendedMO AVG report only all year
S004Solids, total suspendedMO MAX report only all year
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]MO AVG 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
S004Mercury, total [as Hg]MO AVG report only May, Sep
S004BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S004BOD, 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