Northern States Power a MN Corp dba Xcel

NPDES permit MN0000884 · Major NON-POTW · effective, expires 2030-11-30 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 33 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 (14)

OutfallParameterStatisticLimitMonths
D002Temperature, water deg. fahrenheitMO AVG report only all year
D002Temperature, water deg. fahrenheitDAILY MX report only all year
D002Plant capacity fact. percent of capacityMO AVG report only all year
D002Oxidants, total residualDAILY AV <= .016 mg/L all year
D002Oxidants, total residualDAILY MX <= .05 mg/L all year
D002Flow, in conduit or thru treatment plantMO AVG report only all year
D002Flow, in conduit or thru treatment plantMO MAX report only all year
D002Flow, in conduit or thru treatment plantMO TOTAL report only all year
D002Chlorine, total residualDAILY AV <= .038 mg/L all year
D002Chlorine, total residualDAILY MX <= .2 mg/L all year
D002ChlorinationDAILY MX <= 2 hr/d all year
W006Temperature, water deg. fahrenheitDAILY AV report only all year
W007Temperature, water deg. fahrenheitDAILY AV report only all year
W007Temp. diff. between samp. & upstrm deg. FDAILY AV <= 5 deg F 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