MDNR

NPDES permit MN0004430 · Minor NON-POTW · effective, expires 2028-10-31 · 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 77 forms filed late

Last period with anything received: 2026-07-31. Most often over: Temperature, water deg. fahrenheit (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 (89)

OutfallParameterStatisticLimitMonths
D004Solids, total suspendedMO AVG <= 862 kg/d all year
D004Solids, total suspendedDAILY MX <= 3039 kg/d all year
D004Flow, in conduit or thru treatment plantMO AVG report only all year
D004Flow, in conduit or thru treatment plantDAILY MX report only all year
D004Flow, in conduit or thru treatment plantMO TOTAL report only all year
D004BOD, carbonaceous [5 day, 20 C]MO AVG <= 718 kg/d all year
D004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2533 kg/d all year
D005Temperature, water deg. fahrenheitMO AVG report only all year
D005Temperature, water deg. fahrenheitDAILY MX report only all year
D005pHINST MIN >= 6.5 SU all year
D005pHINST MAX <= 8.5 SU all year
D005Solids, total suspendedMO AVG <= 30 mg/L all year
D005Solids, total suspendedDAILY MX <= 60 mg/L all year
D005Solids, total suspendedMO AVG report only all year
D005Solids, total suspendedDAILY MX report only all year
D005Nitrogen, total [as N]MO AVG report only all year
D005Nitrogen, ammonia total [as N]MO AVG report only all year
D005Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D005Nitrite + Nitrate total [as N]MO AVG report only all year
D005Flow, in conduit or thru treatment plantMO AVG report only all year
D005Flow, in conduit or thru treatment plantDAILY MX report only all year
D005Flow, in conduit or thru treatment plantMO TOTAL report only all year
D005BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D005BOD, carbonaceous [5 day, 20 C]DAILY MX <= 50 mg/L all year
D005BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
D005BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
D006Temperature, water deg. fahrenheitMO AVG report only all year
D006Temperature, water deg. fahrenheitDAILY MX report only all year
D006pHINST MIN >= 6.5 SU all year
D006pHINST MAX <= 8.5 SU all year
D006Solids, total suspendedMO AVG <= 30 mg/L all year
D006Solids, total suspendedDAILY MX <= 60 mg/L all year
D006Solids, total suspendedMO AVG report only all year
D006Solids, total suspendedDAILY MX report only all year
D006Nitrogen, total [as N]MO AVG report only all year
D006Nitrogen, ammonia total [as N]MO AVG report only all year
D006Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D006Nitrite + Nitrate total [as N]MO AVG report only all year
D006Flow, in conduit or thru treatment plantMO AVG report only all year
D006Flow, in conduit or thru treatment plantDAILY MX report only all year
D006Flow, in conduit or thru treatment plantMO TOTAL report only all year
D006BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 50 mg/L all year
D006BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
D006BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
D007Temperature, water deg. fahrenheitMO AVG report only all year
D007Temperature, water deg. fahrenheitDAILY MX report only all year
D007pHINST MIN >= 6.5 SU all year
D007pHINST MAX <= 8.5 SU all year
D007Solids, total suspendedMO AVG <= 30 mg/L all year
D007Solids, total suspendedDAILY MX <= 60 mg/L all year
D007Solids, total suspendedMO AVG report only all year
D007Solids, total suspendedDAILY MX report only all year
D007Nitrogen, total [as N]MO AVG report only all year
D007Nitrogen, ammonia total [as N]MO AVG report only all year
D007Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D007Nitrite + Nitrate total [as N]MO AVG report only all year
D007Flow, in conduit or thru treatment plantMO AVG report only all year
D007Flow, in conduit or thru treatment plantDAILY MX report only all year
D007Flow, in conduit or thru treatment plantMO TOTAL report only all year
D007BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D007BOD, carbonaceous [5 day, 20 C]DAILY MX <= 50 mg/L all year
D007BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
D007BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
D009Temperature, water deg. fahrenheitMO AVG report only all year
D009Temperature, water deg. fahrenheitDAILY MX report only all year
D009pHINST MIN >= 6.5 SU all year
D009pHINST MAX <= 8.5 SU all year
D009Solids, total suspendedMO AVG <= 30 mg/L all year
D009Solids, total suspendedDAILY MX <= 60 mg/L all year
D009Solids, total suspendedMO AVG report only all year
D009Solids, total suspendedDAILY MX report only all year
D009Nitrogen, total [as N]MO AVG report only all year
D009Nitrogen, ammonia total [as N]MO AVG report only all year
D009Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D009Nitrite + Nitrate total [as N]MO AVG report only all year
D009Flow, in conduit or thru treatment plantMO AVG report only all year
D009Flow, in conduit or thru treatment plantDAILY MX report only all year
D009Flow, in conduit or thru treatment plantMO TOTAL report only all year
D009BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D009BOD, carbonaceous [5 day, 20 C]DAILY MX <= 50 mg/L all year
D009BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
D009BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
W010Temperature, water deg. fahrenheitMO AVG report only all year
W010Temperature, water deg. fahrenheitDAILY MX report only all year
W012Temperature, water deg. fahrenheitMO AVG report only Apr, May, Jun, Jul, Aug, Sep
W012Temperature, water deg. fahrenheitMO AVG <= 50 deg F Jan, Feb, Mar, Oct, Nov, Dec
W012Temperature, water deg. fahrenheitDAILY MX report only Apr, May, Jun, Jul, Aug, Sep
W012Temperature, water deg. fahrenheitDAILY MX report only Jan, Feb, Mar, Oct, Nov, 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