Swanville city of

NPDES permit MN0020109 · Minor POTW · administratively continued, expires 2023-04-30 · 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.

This permit expired on 2023-04-30 and is administratively continued: 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 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 (38)

OutfallParameterStatisticLimitMonths
D006Oxygen, dissolved [DO]MO MIN report only all year
D006pHMO MIN >= 6 SU all year
D006pHMO MAX <= 9 SU all year
D006Solids, total suspendedMO AVG <= 30 mg/L all year
D006Solids, total suspendedMX WK AV <= 45 mg/L all year
D006Solids, total suspendedMO AVG <= 20.7 kg/d all year
D006Solids, total suspendedMX WK AV <= 31 kg/d all year
D006Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D006Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D006Nitrogen, ammonia total [as N]MO AVG <= 15 mg/L Jun, Jul, Aug, Sep
D006Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D006Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D006Phosphorus, total [as P]MO AVG report only all year
D006Phosphorus, total [as P]MO AVG report only all year
D006Phosphorus, total [as P]ANNL TOT <= 880 kg/yr all year
D006Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D006Flow, in conduit or thru treatment plantMO AVG report only all year
D006Flow, in conduit or thru treatment plantMO MAX report only all year
D006Flow, in conduit or thru treatment plantMO TOTAL report only all year
D006Chlorine, total residualDAILY MX <= .038 mg/L all year
D006Solids, total dissolvedMO AVG report only Mar, Sep
D006BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D006BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
D006BOD, carbonaceous [5 day, 20 C]MO AVG <= 17.2 kg/d all year
D006BOD, carbonaceous [5 day, 20 C]MX WK AV <= 27.7 kg/d all year
D006BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D006Solids, suspended percent removalMO AV MN >= 85 % all year
S008Precipitation, total defined period/inMO TOTAL report only all year
S008pHMO MIN report only all year
S008pHMO MAX report only all year
S008Solids, total suspendedMO AVG report only all year
S008Solids, total suspendedMO MAX report only all year
S008Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S008Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S008Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S008Phosphorus, total [as P]MO AVG report only all year
S008BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S008BOD, 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