Le Roy city of

NPDES permit MN0021041 · Minor POTW · effective, expires 2026-11-30 · 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 24 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 (36)

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 <= 155.2 kg/d all year
D003Solids, total suspendedMX WK AV <= 224.1 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 all year
D003Phosphorus, total [as P]MO AVG report only 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, Sep, Oct, Nov, Dec
D003Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Jul, Aug
D003Flow, in conduit or thru treatment plantMO MAX report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D003Flow, in conduit or thru treatment plantMO MAX report only Jan, Feb, Jul, Aug
D003Flow, in conduit or thru treatment plantMO TOTAL report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D003Flow, in conduit or thru treatment plantMO TOTAL report only Jan, Feb, Jul, Aug
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 <= 86.2 kg/d all year
D003BOD, carbonaceous [5 day, 20 C]MX WK AV <= 155.2 kg/d all year
S004Precipitation, total defined period/inMO TOTAL report only all year
S004pHQB report only Mar, Jun, Sep, Dec
S004Solids, total suspendedQRTR AVG report only Mar, Jun, Sep, Dec
S004Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S004Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S004Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S004Phosphorus, total [as P]QRTR AVG report only Mar, Jun, Sep, Dec
S004Flow, in conduit or thru treatment plantMO AVG report only all year
S004Flow, in conduit or thru treatment plantMO MAX report only all year
S004Flow, in conduit or thru treatment plantMO TOTAL report only all year
S004BOD, 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