UPPER SIOUX COMMUNITY

NPDES permit MN0075001 · Minor POTW · effective, expires 2027-12-12 · 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

19values over a limit
0required values missing, on 0 form(s)
2of 12 forms filed late

Last period with anything received: 2026-08-31. Most often over: Solids, total suspended (13), BOD, carbonaceous [5 day, 20 C] (3), E. coli (2).

Reporting

Reports are due about 21 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (52)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 7 mg/L all year
001Oxygen, dissolved [DO]MINIMUM >= 7 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMINIMUM report only all year
001pHMINIMUM report only all year
001pHMAXIMUM report only all year
001pHMAXIMUM report only all year
001Solids, total suspended30DA AVG <= 10 mg/L all year
001Solids, total suspended30DA AVG <= 10 mg/L all year
001Solids, total suspendedDAILY MX <= 20 mg/L all year
001Solids, total suspendedDAILY MX <= 20 mg/L all year
001Solids, total suspended30DA AVG <= 4.1 kg/d all year
001Solids, total suspended30DA AVG <= 4.1 kg/d all year
001Solids, total suspendedDAILY MX <= 8.2 kg/d all year
001Solids, total suspendedDAILY MX <= 8.2 kg/d all year
001Solids, total suspended30DA AVG report only all year
001Solids, total suspended30DA AVG report only all year
001Phosphorus, total [as P]30DA AVG <= .5 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Phosphorus, total [as P]30DA AVG <= .5 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Phosphorus, total [as P]DAILY MX report only May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]DAILY MX report only May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]30DA AVG <= .2 kg/d Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Phosphorus, total [as P]30DA AVG <= .2 kg/d Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Phosphorus, total [as P]DAILY MX <= .2 kg/d May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]DAILY MX <= .2 kg/d May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]30DA AVG report only all year
001Phosphorus, total [as P]30DA AVG report only all year
001Flow, in conduit or thru treatment plant30DA AVG report only all year
001Flow, in conduit or thru treatment plant30DA AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plant30DA AVG report only all year
001Flow, in conduit or thru treatment plant30DA AVG report only all year
001E. coliGEO MEAN <= 126 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coliGEO MEAN <= 126 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coliDAILY MX <= 235 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coliDAILY MX <= 235 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 10 mg/L all year
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 10 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 20 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 20 mg/L all year
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 4.1 kg/d all year
001BOD, carbonaceous [5 day, 20 C]30DA AVG <= 4.1 kg/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 8.2 kg/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 8.2 kg/d all year
001BOD, carbonaceous [5 day, 20 C]30DA AVG report only all year
001BOD, carbonaceous [5 day, 20 C]30DA AVG report only all year
001Outfall observation,visual, y/n response30DA AVG report only all year
001Outfall observation,visual, y/n response30DA AVG 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