Saint Clair city of

NPDES permit MN0024716 · Minor POTW · effective, expires 2028-07-31 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 36 forms filed late

Last period with anything received: 2026-08-31.

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 (43)

OutfallParameterStatisticLimitMonths
D008Oxygen, dissolved [DO]MO MIN report only all year
D008pHMO MIN >= 6 SU all year
D008pHMO MAX <= 9 SU all year
D008Solids, total suspendedMO AVG <= 30 mg/L all year
D008Solids, total suspendedMO MAX report only Jul
D008Solids, total suspendedMX WK AV <= 45 mg/L all year
D008Solids, total suspendedMO AVG <= 24 kg/d all year
D008Solids, total suspendedMX WK AV <= 36.1 kg/d all year
D008Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D008Nitrogen, ammonia total [as N]MO AVG <= 15 mg/L Jun, Jul, Aug, Sep
D008Nitrogen, ammonia total [as N]MO AVG report only Mar
D008Nitrogen, ammonia total [as N]MO AVG <= 12 kg/d Jun, Jul, Aug, Sep
D008Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D008Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D008Phosphorus, total [as P]MO AVG report only Jun, Jul, Aug, Sep
D008Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D008Phosphorus, total [as P]MO AVG <= 1.1 kg/d Jun, Jul, Aug, Sep
D008Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D008Phosphorus, total [as P]ANNL TOT <= 293 kg/yr all year
D008Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D008Flow, in conduit or thru treatment plantMO AVG report only all year
D008Flow, in conduit or thru treatment plantMO MAX report only all year
D008Flow, in conduit or thru treatment plantMO TOTAL report only all year
D008Solids, total dissolvedMO AVG report only Mar, Sep
D008Mercury, dissolved [as Hg]MO MAX report only Jul
D008Mercury, total [as Hg]MO MAX report only Jul
D008BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D008BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
D008BOD, carbonaceous [5 day, 20 C]MO AVG <= 20 kg/d all year
D008BOD, carbonaceous [5 day, 20 C]MX WK AV <= 32.1 kg/d all year
D008BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D008Solids, suspended percent removalMO AV MN >= 85 % all year
S010Precipitation, total defined period/inMO TOTAL report only all year
S010pHMO MIN report only all year
S010pHMO MAX report only all year
S010Solids, total suspendedMO AVG report only all year
S010Solids, total suspendedMO MAX report only all year
S010Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S010Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S010Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S010Phosphorus, total [as P]MO AVG report only all year
S010BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S010BOD, carbonaceous [5 day, 20 C]MO MAX 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