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NPDES permit MN0057533 · Minor NON-POTW · effective, expires 2028-02-29 · 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

4values over a limit
0required values missing, on 0 form(s)
0of 34 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (2), Phosphorus, total [as P] (2).

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 (43)

OutfallParameterStatisticLimitMonths
D001pHMO MIN >= 6.5 SU all year
D001pHMO MAX <= 8.5 SU all year
D001Solids, total suspendedMO AVG <= 30 mg/L all year
D001Solids, total suspendedMO MAX <= 45 mg/L all year
D001Nitrogen, nitrate total [as N]MO AVG report only all year
D001Nitrogen, nitrate total [as N]MO MAX report only all year
D001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D001Nitrogen, Kjeldahl, total [as N]MO MAX report only all year
D001Nitrite + Nitrate total [as N]MO AVG report only all year
D001Nitrite + Nitrate total [as N]MO MAX report only all year
D001Phosphorus, total [as P]MO AVG report only all year
D001Phosphorus, total [as P]MO MAX report only all year
D001Sulfate, total [as SO4]MO AVG report only all year
D001Sulfate, total [as SO4]MO MAX report only all year
D001Flow, in conduit or thru treatment plantMO AVG report only all year
D001Flow, in conduit or thru treatment plantMO MAX report only all year
D001Flow, in conduit or thru treatment plantMO TOTAL report only all year
D001Mercury, total [as Hg]QRTR AVG <= 9.7 ng/L Mar, Jun, Sep, Dec
D001Mercury, total [as Hg]QB <= 16.8 ng/L Mar, Jun, Sep, Dec
D005Temperature, water deg. fahrenheitMO AVG report only all year
D005Temperature, water deg. fahrenheitMO MAX report only all year
D005pHMO MIN >= 6.5 SU all year
D005pHMO MAX <= 8.5 SU all year
D005Solids, total suspendedMO AVG <= 30 mg/L all year
D005Solids, total suspendedMO MAX <= 45 mg/L all year
D005Nitrogen, nitrate total [as N]MO AVG report only all year
D005Nitrogen, nitrate total [as N]MO MAX report only all year
D005Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D005Nitrogen, Kjeldahl, total [as N]MO MAX report only all year
D005Nitrite + Nitrate total [as N]MO AVG report only all year
D005Nitrite + Nitrate total [as N]MO MAX report only all year
D005Phosphorus, total [as P]MO AVG report only all year
D005Phosphorus, total [as P]MO MAX report only all year
D005Sulfate, total [as SO4]MO AVG report only all year
D005Sulfate, total [as SO4]MO MAX report only all year
D005Flow, in conduit or thru treatment plantMO AVG report only all year
D005Flow, in conduit or thru treatment plantMO MAX report only all year
D005Flow, in conduit or thru treatment plantMO TOTAL report only all year
D005Mercury, total [as Hg]QRTR AVG <= 9.7 ng/L Mar, Jun, Sep, Dec
D005Mercury, total [as Hg]QB <= 16.8 ng/L Mar, Jun, Sep, Dec
D006Solids, total suspendedANNL MAX report only all year
D007Solids, total suspendedANNL TOT <= 12454 kg/yr all year
D007Phosphorus, total [as P]ANNL TOT <= 45 kg/yr 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