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NPDES permit MN0040649 · Major POTW · effective, expires 2027-04-30 · 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 42 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 (62)

OutfallParameterStatisticLimitMonths
D066Specific conductanceMO MAX report only all year
D066Oxygen, dissolved [DO]MO MIN >= 6 mg/L Jun, Jul, Aug, Sep
D066Oxygen, dissolved [DO]MO MIN report only Jan, Feb, Mar, Apr, May, Dec
D066Oxygen, dissolved [DO]MO MIN >= 5 mg/L Oct, Nov
D066pHMO MIN >= 6 SU all year
D066pHMO MAX <= 9 SU all year
D066Bicarbonate ion- [as HCO3]MO MAX report only all year
D066Solids, total suspendedMO AVG <= 30 mg/L all year
D066Solids, total suspendedMO MAX report only May, Sep
D066Solids, total suspendedMX WK AV <= 45 mg/L all year
D066Solids, total suspendedMO AVG <= 491 kg/d all year
D066Solids, total suspendedMX WK AV <= 736 kg/d all year
D066Nitrogen, total [as N]MO AVG report only all year
D066Nitrogen, ammonia total [as N]MO AVG <= 21 mg/L Oct, Nov
D066Nitrogen, ammonia total [as N]MO AVG <= 3 mg/L Jun, Jul, Aug, Sep
D066Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, May, Dec
D066Nitrogen, ammonia total [as N]MO AVG <= 343 kg/d Oct, Nov
D066Nitrogen, ammonia total [as N]MO AVG <= 49 kg/d Jun, Jul, Aug, Sep
D066Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, May, Dec
D066Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D066Nitrite + Nitrate total [as N]MO AVG report only all year
D066Phosphorus, total [as P]MO AVG report only all year
D066Phosphorus, total [as P]1D <= 1 mg/L all year
D066Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D066Phosphorus, total [as P]ANNL TOT <= 4775 kg/yr all year
D066Calcium, total [as Ca]MO MAX report only all year
D066Magnesium, total [as Mg]MO MAX report only all year
D066Sodium, total [as Na]MO MAX report only all year
D066Potassium, total [as K]MO MAX report only all year
D066Chloride [as Cl]MO MAX report only all year
D066Sulfate, total [as SO4]MO MAX report only all year
D066Chromium, hexavalent [as Cr]QB report only Mar, Jun, Sep, Dec
D066Copper, total [as Cu]MO AVG <= .106 mg/L all year
D066Copper, total [as Cu]DAILY MX <= .197 mg/L all year
D066Hardness, Ca Mg Calculated [mg/L as CaCO3]MO MAX report only all year
D066Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D066Flow, in conduit or thru treatment plantMO AVG report only all year
D066Flow, in conduit or thru treatment plantMO MAX report only all year
D066Flow, in conduit or thru treatment plantMO TOTAL report only all year
D066Solids, total dissolvedMO MAX report only all year
D066Mercury, dissolved [as Hg]MO MAX report only May, Sep
D066Mercury, total [as Hg]MO MAX report only May, Sep
D066BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L all year
D066BOD, carbonaceous [5 day, 20 C]MX WK AV <= 25 mg/L all year
D066BOD, carbonaceous [5 day, 20 C]MO AVG <= 245 kg/d all year
D066BOD, carbonaceous [5 day, 20 C]MX WK AV <= 409 kg/d all year
D066BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D066Solids, suspended percent removalMO AV MN >= 85 % all year
S068Precipitation, total defined period/inMO TOTAL report only all year
S068pHMO MIN report only all year
S068pHMO MAX report only all year
S068Solids, total suspendedMO AVG report only all year
S068Solids, total suspendedMO MAX report only all year
S068Nitrogen, total [as N]MO AVG report only all year
S068Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
S068Nitrite + Nitrate total [as N]MO AVG report only all year
S068Phosphorus, total [as P]MO AVG report only all year
S068Flow, in conduit or thru treatment plantMO AVG report only all year
S068Flow, in conduit or thru treatment plantMO MAX report only all year
S068Flow, in conduit or thru treatment plantMO TOTAL report only all year
S068BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S068BOD, 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