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NPDES permit MN0022683 · Major POTW · effective, expires 2029-11-30 · 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

8values over a limit
0required values missing, on 0 form(s)
0of 36 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (7), Solids, suspended percent removal (1).

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
D136Oxygen, dissolved [DO]MO MIN >= 6 mg/L Jun, Jul, Aug, Sep
D136Oxygen, dissolved [DO]MO MIN >= 5.5 mg/L Jan, Feb, Mar, Dec
D136Oxygen, dissolved [DO]MO MIN >= 5 mg/L Apr, May, Oct, Nov
D136pHMO MIN >= 6 SU all year
D136pHMO MAX <= 9 SU all year
D136Solids, total suspendedMO AVG <= 30 mg/L all year
D136Solids, total suspendedMX WK AV <= 45 mg/L all year
D136Solids, total suspendedMO MAX report only May, Sep
D136Solids, total suspendedMO AVG <= 961 kg/d all year
D136Solids, total suspendedMX WK AV <= 1442 kg/d all year
D136Nitrogen, total [as N]MO AVG report only all year
D136Nitrogen, ammonia total [as N]MO AVG <= 22 mg/L Nov
D136Nitrogen, ammonia total [as N]MO AVG <= 11 mg/L Oct
D136Nitrogen, ammonia total [as N]MO AVG <= 12 mg/L May
D136Nitrogen, ammonia total [as N]MO AVG <= 29 mg/L Apr
D136Nitrogen, ammonia total [as N]MO AVG <= 41 mg/L Jan, Feb, Mar, Dec
D136Nitrogen, ammonia total [as N]MO AVG <= 7.8 mg/L Jun, Jul, Aug, Sep
D136Nitrogen, ammonia total [as N]MO AVG <= 705 kg/d Nov
D136Nitrogen, ammonia total [as N]MO AVG <= 352 kg/d Oct
D136Nitrogen, ammonia total [as N]MO AVG <= 384 kg/d May
D136Nitrogen, ammonia total [as N]MO AVG <= 929 kg/d Apr
D136Nitrogen, ammonia total [as N]MO AVG <= 1313 kg/d Jan, Feb, Mar, Dec
D136Nitrogen, ammonia total [as N]MO AVG <= 250 kg/d Jun, Jul, Aug, Sep
D136Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D136Nitrite + Nitrate total [as N]MO AVG report only all year
D136Phosphorus, total [as P]MO AVG report only all year
D136Phosphorus, total [as P]MO AVG report only all year
D136Chloride [as Cl]MO MAX report only all year
D136Sulfate, total [as SO4]MO MAX report only all year
D136Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D136Flow, in conduit or thru treatment plantMO AVG report only all year
D136Flow, in conduit or thru treatment plantMO MAX report only all year
D136Flow, in conduit or thru treatment plantMO TOTAL report only all year
D136Chlorine, total residualDAILY MX <= .038 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
D136Solids, total dissolvedMO AVG report only Mar, Sep
D136Mercury, dissolved [as Hg]MO MAX report only May, Sep
D136Mercury, total [as Hg]MO MAX report only May, Sep
D136BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L Jun, Jul, Aug, Sep
D136BOD, carbonaceous [5 day, 20 C]MO AVG <= 20 mg/L Jan, Feb, Mar, Dec
D136BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L Apr, May, Oct, Nov
D136BOD, carbonaceous [5 day, 20 C]MX WK AV <= 30 mg/L Jun, Jul, Aug, Sep
D136BOD, carbonaceous [5 day, 20 C]MX WK AV <= 35 mg/L Jan, Feb, Mar, Dec
D136BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L Apr, May, Oct, Nov
D136BOD, carbonaceous [5 day, 20 C]MO AVG <= 481 kg/d Jun, Jul, Aug, Sep
D136BOD, carbonaceous [5 day, 20 C]MO AVG <= 641 kg/d Jan, Feb, Mar, Dec
D136BOD, carbonaceous [5 day, 20 C]MO AVG <= 801 kg/d Apr, May, Oct, Nov
D136BOD, carbonaceous [5 day, 20 C]MX WK AV <= 961 kg/d Jun, Jul, Aug, Sep
D136BOD, carbonaceous [5 day, 20 C]MX WK AV <= 1121 kg/d Jan, Feb, Mar, Dec
D136BOD, carbonaceous [5 day, 20 C]MX WK AV <= 1281 kg/d Apr, May, Oct, Nov
D136BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D136Solids, suspended percent removalMO AV MN >= 85 % all year
D164Solids, total suspendedANNL AVG report only all year
D164BOD, carbonaceous [5 day, 20 C]ANNL AVG report only all year
S141Precipitation, total defined period/inMO TOTAL report only all year
S141pHMO MIN report only all year
S141pHMO MAX report only all year
S141Solids, total suspendedMO AVG report only all year
S141Solids, total suspendedMO MAX report only all year
S141Nitrogen, total [as N]MO AVG report only all year
S141Nitrogen, ammonia total [as N]MO AVG report only all year
S141Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
S141Nitrite + Nitrate total [as N]MO AVG report only all year
S141Phosphorus, total [as P]MO AVG report only all year
S141Flow, in conduit or thru treatment plantMO AVG report only all year
S141Flow, in conduit or thru treatment plantMO MAX report only all year
S141Flow, in conduit or thru treatment plantMO TOTAL report only all year
S141BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S141BOD, carbonaceous [5 day, 20 C]MO MAX report only all year
S142pHMO MIN report only all year
S142pHMO MAX report only all year
S142Solids, total suspendedMO AVG report only all year
S142Solids, total suspendedMO MAX report only all year
S142Nitrogen, total [as N]MO AVG report only all year
S142Nitrogen, ammonia total [as N]MO AVG report only all year
S142Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
S142Nitrite + Nitrate total [as N]MO AVG report only all year
S142Phosphorus, total [as P]MO AVG report only all year
S142Flow, in conduit or thru treatment plantMO AVG report only all year
S142Flow, in conduit or thru treatment plantMO MAX report only all year
S142Flow, in conduit or thru treatment plantMO TOTAL report only all year
S142BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S142BOD, 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