Graceville city of

NPDES permit MN0023540 · Minor POTW · effective, expires 2027-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
0required values missing, on 0 form(s)
0of 36 forms filed late

Last period with anything received: 2026-08-31. Most often over: Solids, total suspended (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 (39)

OutfallParameterStatisticLimitMonths
D003Oxygen, dissolved [DO]MO MIN report only all year
D003pHMO MIN >= 6 SU all year
D003pHMO MAX <= 9 SU all year
D003Solids, total suspendedMO AVG <= 45 mg/L all year
D003Solids, total suspendedMX WK AV <= 65 mg/L all year
D003Solids, total suspendedMO AVG <= 125 kg/d all year
D003Solids, total suspendedMX WK AV <= 180 kg/d all year
D003Nitrogen, total [as N]MO AVG report only all year
D003Nitrogen, ammonia total [as N]MO AVG report only all year
D003Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D003Nitrite + Nitrate total [as N]MO AVG report only all year
D003Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, May, Jul, Aug, Sep, Oct, Nov, Dec
D003Phosphorus, total [as P]MO AVG report only Jun
D003Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, May, Jul, Aug, Sep, Oct, Nov, Dec
D003Phosphorus, total [as P]MO AVG <= 5.6 kg/d Jun
D003Phosphorus, total [as P]YA <= 347 kg/yr all year
D003Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D003Flow, in conduit or thru treatment plantMO AVG report only Mar, Apr, May, Jun, Oct, Nov, Dec
D003Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Jul, Aug, Sep
D003Flow, in conduit or thru treatment plantMO MAX report only Mar, Apr, May, Jun, Oct, Nov, Dec
D003Flow, in conduit or thru treatment plantMO MAX report only Jan, Feb, Jul, Aug, Sep
D003Flow, in conduit or thru treatment plantMO TOTAL report only Mar, Apr, May, Jun, Oct, Nov, Dec
D003Flow, in conduit or thru treatment plantMO TOTAL report only Jan, Feb, Jul, Aug, Sep
D003Solids, total dissolvedMO AVG report only all year
D003BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D003BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
D003BOD, carbonaceous [5 day, 20 C]MO AVG <= 69.3 kg/d all year
D003BOD, carbonaceous [5 day, 20 C]MX WK AV <= 110.8 kg/d all year
S006Precipitation, total defined period/inMO TOTAL report only all year
S006pHQB report only Mar, Jun, Sep, Dec
S006Solids, total suspendedQRTR AVG report only Mar, Jun, Sep, Dec
S006Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S006Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S006Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S006Phosphorus, total [as P]QRTR AVG report only Mar, Jun, Sep, Dec
S006Flow, in conduit or thru treatment plantMO AVG report only all year
S006Flow, in conduit or thru treatment plantMO MAX report only all year
S006Flow, in conduit or thru treatment plantMO TOTAL report only all year
S006BOD, carbonaceous [5 day, 20 C]QRTR AVG 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