Waseca city of

NPDES permit MN0020796 · Major POTW · effective, expires 2028-03-31 · 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 44 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 (62)

OutfallParameterStatisticLimitMonths
D032Specific conductanceMO MAX report only all year
D032Oxygen, dissolved [DO]MO MIN >= 7.5 mg/L all year
D032pHMO MIN >= 6 SU all year
D032pHMO MAX <= 9 SU all year
D032Bicarbonate ion- [as HCO3]MO MAX report only all year
D032Solids, total suspendedMO AVG <= 30 mg/L all year
D032Solids, total suspendedMO MAX report only May, Sep
D032Solids, total suspendedMX WK AV <= 45 mg/L all year
D032Solids, total suspendedMO AVG <= 397 kg/d all year
D032Solids, total suspendedMX WK AV <= 596 kg/d all year
D032Solids, total suspendedMX WK AV <= 596 kg/d all year
D032Nitrogen, total [as N]MO AVG report only all year
D032Nitrogen, ammonia total [as N]MO AVG <= 2.1 mg/L Oct, Nov
D032Nitrogen, ammonia total [as N]MO AVG <= 8 mg/L Jan, Feb, Mar, Dec
D032Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L Jun, Jul, Aug, Sep
D032Nitrogen, ammonia total [as N]MO AVG <= 3 mg/L Apr, May
D032Nitrogen, ammonia total [as N]MO AVG <= 28 kg/d Oct, Nov
D032Nitrogen, ammonia total [as N]MO AVG <= 106 kg/d Jan, Feb, Mar, Dec
D032Nitrogen, ammonia total [as N]MO AVG <= 13 kg/d Jun, Jul, Aug, Sep
D032Nitrogen, ammonia total [as N]MO AVG <= 40 kg/d Apr, May
D032Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D032Nitrite + Nitrate total [as N]MO AVG report only all year
D032Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D032Phosphorus, total [as P]MO AVG report only Jun, Jul, Aug, Sep
D032Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D032Phosphorus, total [as P]MO AVG <= 10.3 kg/d Jun, Jul, Aug, Sep
D032Phosphorus, total [as P]ANNL TOT <= 3868 kg/yr all year
D032Calcium, total [as Ca]MO MAX report only all year
D032Magnesium, total [as Mg]MO MAX report only all year
D032Sodium, total [as Na]MO MAX report only all year
D032Potassium, total [as K]MO MAX report only all year
D032Chloride [as Cl]DAILY MX <= 600 mg/L all year
D032Sulfate, total [as SO4]MO MAX report only all year
D032Hardness, Ca Mg Calculated [mg/L as CaCO3]MO MAX report only all year
D032Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D032Flow, in conduit or thru treatment plantMO AVG report only all year
D032Flow, in conduit or thru treatment plantMO MAX report only all year
D032Flow, in conduit or thru treatment plantMO TOTAL report only all year
D032Chlorine, total residualDAILY MX <= .038 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
D032Solids, total dissolvedMO MAX report only all year
D032Mercury, dissolved [as Hg]MO MAX report only May, Sep
D032Mercury, total [as Hg]MO MAX report only May, Sep
D032BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
D032BOD, carbonaceous [5 day, 20 C]MX WK AV <= 15 mg/L all year
D032BOD, carbonaceous [5 day, 20 C]MO AVG <= 132 kg/d all year
D032BOD, carbonaceous [5 day, 20 C]MX WK AV <= 199 kg/d all year
D032BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D032Solids, suspended percent removalMO AV MN >= 85 % all year
S033Precipitation, total defined period/inMO TOTAL report only all year
S033pHMO MIN report only all year
S033pHMO MAX report only all year
S033Solids, total suspendedMO AVG report only all year
S033Solids, total suspendedMO MAX report only all year
S033Nitrogen, total [as N]MO AVG report only all year
S033Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
S033Nitrite + Nitrate total [as N]MO AVG report only all year
S033Phosphorus, total [as P]MO AVG report only all year
S033Flow, in conduit or thru treatment plantMO AVG report only all year
S033Flow, in conduit or thru treatment plantMO MAX report only all year
S033Flow, in conduit or thru treatment plantMO TOTAL report only all year
S033BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S033BOD, 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