Xcel Energy

NPDES permit MN0002186 · Major NON-POTW · effective, expires 2027-07-31 · 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

1values over a limit
0required values missing, on 0 form(s)
0of 30 forms filed late

Last period with anything received: 2026-07-31. Most often over: Sulfate [as S] (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 (44)

OutfallParameterStatisticLimitMonths
D036Temperature, water deg. fahrenheitMO MAX report only all year
D036Sulfate [as S]MO MAX report only all year
D036Sulfate [as S]DAILY MX <= 11540 kg/d all year
D036pHMO MIN >= 6 SU all year
D036pHMO MAX <= 9 SU all year
D036Solids, total suspendedMO AVG <= 30 mg/L all year
D036Solids, total suspendedMO MAX report only Mar, Jun, Sep, Dec
D036Solids, total suspendedDAILY MX <= 60 mg/L all year
D036Solids, total suspendedMO AVG <= 573 kg/d all year
D036Solids, total suspendedDAILY MX <= 1146 kg/d all year
D036Nitrogen, total [as N]MO AVG report only all year
D036Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D036Nitrite + Nitrate total [as N]MO AVG report only all year
D036Phosphorus, total [as P]ANNL AVG report only all year
D036Oxidants, total residualDAILY MX <= .17 mg/L all year
D036Flow, in conduit or thru treatment plantMO AVG report only all year
D036Flow, in conduit or thru treatment plantMO MAX report only all year
D036Flow, in conduit or thru treatment plantMO TOTAL report only all year
D036Solids, total dissolvedMO AVG report only all year
D036Solids, total dissolvedDAILY MX <= 48988 kg/d all year
D036Mercury, dissolved [as Hg]MO MAX report only Mar, Jun, Sep, Dec
D036Mercury, total [as Hg]MO MAX report only Mar, Jun, Sep, Dec
D037Temperature, water deg. fahrenheitMO MAX <= 95 deg F all year
D037Sulfate [as S]MO MAX report only all year
D037Sulfate [as S]DAILY MX <= 11540 kg/d all year
D037pHMO MIN >= 6 SU all year
D037pHMO MAX <= 9 SU all year
D037Solids, total suspendedMO AVG <= 30 mg/L all year
D037Solids, total suspendedMO MAX report only Mar, Jun, Sep, Dec
D037Solids, total suspendedDAILY MX <= 60 mg/L all year
D037Solids, total suspendedMO AVG <= 573 kg/d all year
D037Solids, total suspendedDAILY MX <= 1146 kg/d all year
D037Nitrogen, total [as N]MO AVG report only all year
D037Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D037Nitrite + Nitrate total [as N]MO AVG report only all year
D037Phosphorus, total [as P]ANNL AVG report only all year
D037Oxidants, total residualDAILY MX <= .17 mg/L all year
D037Flow, in conduit or thru treatment plantMO AVG report only all year
D037Flow, in conduit or thru treatment plantMO MAX report only all year
D037Flow, in conduit or thru treatment plantMO TOTAL report only all year
D037Solids, total dissolvedMO AVG report only all year
D037Solids, total dissolvedDAILY MX <= 48988 kg/d all year
D037Mercury, dissolved [as Hg]MO MAX report only Mar, Jun, Sep, Dec
D037Mercury, total [as Hg]MO MAX report only Mar, Jun, Sep, Dec

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