Wykoff city of

NPDES permit MN0020826 · Minor POTW · effective, expires 2028-01-31 · 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 22 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 (37)

OutfallParameterStatisticLimitMonths
D014Oxygen, dissolved [DO]MO MIN report only all year
D014pHMO MIN >= 6 SU all year
D014pHMO MAX <= 9 SU all year
D014Solids, total suspendedMO AVG <= 30 mg/L all year
D014Solids, total suspendedMX WK AV <= 45 mg/L all year
D014Solids, total suspendedMO AVG <= 4.9 kg/d all year
D014Solids, total suspendedMX WK AV <= 7.3 kg/d all year
D014Nitrogen, total [as N]MO AVG <= 10 mg/L all year
D014Nitrogen, ammonia total [as N]MO AVG report only all year
D014Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D014Nitrite + Nitrate total [as N]MO AVG report only all year
D014Phosphorus, total [as P]MO AVG report only all year
D014Phosphorus, total [as P]MO AVG report only all year
D014Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL all year
D014Flow, in conduit or thru treatment plantMO AVG report only all year
D014Flow, in conduit or thru treatment plantMO MAX report only all year
D014Flow, in conduit or thru treatment plantMO TOTAL report only all year
D014BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D014BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
D014BOD, carbonaceous [5 day, 20 C]MO AVG <= 4.1 kg/d all year
D014BOD, carbonaceous [5 day, 20 C]MX WK AV <= 6.5 kg/d all year
D014BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D014Solids, suspended percent removalMO AV MN >= 85 % all year
S015Precipitation, total defined period/inMO TOTAL report only all year
S015pHMO MIN report only all year
S015pHMO MAX report only all year
S015Solids, total suspendedMO AVG report only all year
S015Solids, total suspendedMO MAX report only all year
S015Nitrogen, total [as N]MO AVG report only Mar, Sep
S015Nitrogen, Kjeldahl, total [as N]MO AVG report only Mar, Sep
S015Nitrite + Nitrate total [as N]MO AVG report only Mar, Sep
S015Phosphorus, total [as P]MO AVG report only all year
S015Flow, in conduit or thru treatment plantMO AVG report only all year
S015Flow, in conduit or thru treatment plantMO MAX report only all year
S015Flow, in conduit or thru treatment plantMO TOTAL report only all year
S015BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S015BOD, 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