Worthington city of

NPDES permit MN0031186 · Major POTW · expired, expires 2026-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2026-04-30 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 35 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 (58)

OutfallParameterStatisticLimitMonths
D034Specific conductanceMO MAX report only all year
D034Oxygen, dissolved [DO]MO MIN >= 7 mg/L all year
D034pHMO MIN >= 6 SU all year
D034pHMO MAX <= 9 SU all year
D034Bicarbonate ion- [as HCO3]MO MAX report only all year
D034Solids, total suspendedMO AVG <= 30 mg/L all year
D034Solids, total suspendedMX WK AV <= 45 mg/L all year
D034Solids, total suspendedMO MAX report only May, Sep
D034Solids, total suspendedMO AVG <= 454 kg/d all year
D034Solids, total suspendedMX WK AV <= 680 kg/d all year
D034Nitrogen, total [as N]MO AVG report only all year
D034Nitrogen, ammonia total [as N]MO AVG <= 16 mg/L Jan, Feb, Mar, Dec
D034Nitrogen, ammonia total [as N]MO AVG <= 9 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D034Nitrogen, ammonia total [as N]MO AVG <= 242 kg/d Jan, Feb, Mar, Dec
D034Nitrogen, ammonia total [as N]MO AVG <= 136 kg/d Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D034Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D034Nitrite + Nitrate total [as N]MO AVG report only all year
D034Phosphorus, total [as P]MO AVG <= 1 mg/L all year
D034Phosphorus, total [as P]MO AVG report only all year
D034Phosphorus, total [as P]ANNL TOT <= 5526 kg/yr all year
D034Calcium, total [as Ca]MO MAX report only all year
D034Magnesium, total [as Mg]MO MAX report only all year
D034Sodium, total [as Na]MO MAX report only all year
D034Potassium, total [as K]MO MAX report only all year
D034Chloride [as Cl]DAILY MX <= 444 mg/L all year
D034Hardness, Ca Mg Calculated [mg/L as CaCO3]MO MAX report only all year
D034Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL May, Jun, Jul, Aug, Sep, Oct
D034Flow, in conduit or thru treatment plantMO AVG report only all year
D034Flow, in conduit or thru treatment plantMO MAX report only all year
D034Flow, in conduit or thru treatment plantMO TOTAL report only all year
D034Chlorine, total residualDAILY MX <= .038 mg/L all year
D034Solids, total dissolvedMO MAX report only all year
D034Mercury, dissolved [as Hg]MO MAX report only May, Sep
D034Mercury, total [as Hg]MO MAX report only May, Sep
D034BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L Jan, Feb, Mar, Nov, Dec
D034BOD, carbonaceous [5 day, 20 C]MO AVG <= 18 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
D034BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L Jan, Feb, Mar, Nov, Dec
D034BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
D034BOD, carbonaceous [5 day, 20 C]MO AVG <= 378 kg/d Jan, Feb, Mar, Nov, Dec
D034BOD, carbonaceous [5 day, 20 C]MO AVG <= 272 kg/d Apr, May, Jun, Jul, Aug, Sep, Oct
D034BOD, carbonaceous [5 day, 20 C]MX WK AV <= 605 kg/d Jan, Feb, Mar, Nov, Dec
D034BOD, carbonaceous [5 day, 20 C]MX WK AV <= 605 kg/d Apr, May, Jun, Jul, Aug, Sep, Oct
D034BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D034Solids, suspended percent removalMO AV MN >= 85 % all year
S035Precipitation, total defined period/inMO TOTAL report only all year
S035pHMO MIN report only all year
S035pHMO MAX report only all year
S035Solids, total suspendedMO AVG report only all year
S035Solids, total suspendedMO MAX report only all year
S035Nitrogen, total [as N]MO AVG report only all year
S035Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
S035Nitrite + Nitrate total [as N]MO AVG report only all year
S035Phosphorus, total [as P]MO AVG report only all year
S035Flow, in conduit or thru treatment plantMO AVG report only all year
S035Flow, in conduit or thru treatment plantMO MAX report only all year
S035Flow, in conduit or thru treatment plantMO TOTAL report only all year
S035BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S035BOD, 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