Atwater city of

NPDES permit MN0022659 · Minor POTW · effective, expires 2031-07-31 · 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 48 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
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 <= 45 mg/L all year
D006Solids, total suspendedMX WK AV <= 65 mg/L all year
D006Solids, total suspendedANNL MAX report only all year
D006Solids, total suspendedMO AVG <= 208 kg/d all year
D006Solids, total suspendedMX WK AV <= 300 kg/d all year
D006Nitrogen, total [as N]MO AVG report only all year
D006Nitrogen, ammonia total [as N]MO AVG report only all year
D006Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D006Nitrite + Nitrate total [as N]MO AVG report only all year
D006Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D006Phosphorus, total [as P]MO AVG report only Jun, Jul, Aug, Sep
D006Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D006Phosphorus, total [as P]MO AVG <= .52 kg/d Jun, Jul, Aug, Sep
D006Phosphorus, total [as P]YA <= 553 kg/yr all year
D006Sulfate, total [as SO4]MO MAX report only 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 Jan, Feb, Jul, Aug
D006Flow, in conduit or thru treatment plantMO AVG report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D006Flow, in conduit or thru treatment plantMO MAX report only Jan, Feb, Jul, Aug
D006Flow, in conduit or thru treatment plantMO MAX report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D006Flow, in conduit or thru treatment plantMO TOTAL report only Jan, Feb, Jul, Aug
D006Flow, in conduit or thru treatment plantMO TOTAL report only Mar, Apr, May, Jun, Sep, Oct, Nov, Dec
D006Solids, total dissolvedMO AVG report only all year
D006Mercury, dissolved [as Hg]ANNL MAX report only all year
D006Mercury, total [as Hg]ANNL MAX report only all year
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 <= 115 kg/d all year
D006BOD, carbonaceous [5 day, 20 C]MX WK AV <= 185 kg/d all year
S007Precipitation, total defined period/inMO TOTAL report only all year
S007pHQB report only Mar, Jun, Sep, Dec
S007Solids, total suspendedQRTR AVG report only Mar, Jun, Sep, Dec
S007Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S007Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S007Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S007Phosphorus, total [as P]QRTR AVG report only Mar, Jun, Sep, Dec
S007Flow, in conduit or thru treatment plantMO AVG report only all year
S007Flow, in conduit or thru treatment plantMO MAX report only all year
S007Flow, in conduit or thru treatment plantMO TOTAL report only all year
S007BOD, 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