Lake Benton city of

NPDES permit MN0023884 · Minor POTW · expired, expires 2025-02-28 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2025-02-28 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
0of 33 forms filed late

Last period with anything received: 2026-07-31.

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 (39)

OutfallParameterStatisticLimitMonths
D009Oxygen, dissolved [DO]MO MIN report only all year
D009pHMO MIN >= 6 SU all year
D009pHMO MAX <= 9 SU all year
D009Solids, total suspendedMO AVG <= 45 mg/L all year
D009Solids, total suspendedMX WK AV <= 65 mg/L all year
D009Solids, total suspendedANNL MAX report only all year
D009Solids, total suspendedMO AVG <= 111 kg/d all year
D009Solids, total suspendedMX WK AV <= 160 kg/d 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
D009Phosphorus, total [as P]MO AVG report only all year
D009Phosphorus, total [as P]MO AVG report only all year
D009Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D009Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Jul, Aug
D009Flow, in conduit or thru treatment plantMO AVG report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D009Flow, in conduit or thru treatment plantMO MAX report only Jan, Feb, Jul, Aug
D009Flow, in conduit or thru treatment plantMO MAX report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D009Flow, in conduit or thru treatment plantMO TOTAL report only Jan, Feb, Jul, Aug
D009Flow, in conduit or thru treatment plantMO TOTAL report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D009Solids, total dissolvedMO AVG report only all year
D009Mercury, dissolved [as Hg]ANNL MAX report only all year
D009Mercury, total [as Hg]ANNL MAX report only all year
D009BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D009BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
D009BOD, carbonaceous [5 day, 20 C]MO AVG <= 62 kg/d all year
D009BOD, carbonaceous [5 day, 20 C]MX WK AV <= 99 kg/d all year
S010Precipitation, total defined period/inMO TOTAL report only all year
S010pHQB report only Mar, Jun, Sep, Dec
S010Solids, total suspendedQRTR AVG report only Mar, Jun, Sep, Dec
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]QRTR AVG report only Mar, Jun, Sep, Dec
S010Flow, in conduit or thru treatment plantMO AVG report only all year
S010Flow, in conduit or thru treatment plantMO MAX report only all year
S010Flow, in conduit or thru treatment plantMO TOTAL report only all year
S010BOD, 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