Moorhead City of

NPDES permit MN0049069 · Major POTW · administratively continued, expires 2026-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2026-06-30 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 49 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 (96)

OutfallParameterStatisticLimitMonths
D301Specific conductanceMO MAX report only all year
D301Oxygen, dissolved [DO]MO MIN report only all year
D301pHMO MIN >= 6 SU all year
D301pHMO MAX <= 9 SU all year
D301Bicarbonate ion- [as HCO3]MO MAX report only all year
D301Solids, total suspendedMO AVG <= 30 mg/L all year
D301Solids, total suspendedMX WK AV <= 45 mg/L all year
D301Solids, total suspendedMO MAX report only May, Sep
D301Solids, total suspendedMO AVG <= 1021 kg/d all year
D301Solids, total suspendedMX WK AV <= 1532 kg/d all year
D301Nitrogen, total [as N]MO AVG report only all year
D301Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D301Nitrogen, ammonia total [as N]MO AVG <= 19 mg/L Jun, Jul, Aug, Sep
D301Nitrogen, ammonia total [as N]MO AVG <= 19 mg/L Jun, Jul, Aug, Sep
D301Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D301Nitrogen, ammonia total [as N]MO AVG <= 108 kg/d Jun, Jul, Aug, Sep
D301Nitrogen, ammonia total [as N]MO AVG <= 647 kg/d Jun, Jul, Aug, Sep
D301Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D301Nitrite + Nitrate total [as N]MO AVG report only all year
D301Phosphorus, total [as P]MO AVG report only all year
D301Phosphorus, total [as P]MO AVG report only all year
D301Calcium, total [as Ca]MO MAX report only all year
D301Magnesium, total [as Mg]MO MAX report only all year
D301Sodium, total [as Na]MO MAX report only all year
D301Potassium, total [as K]MO MAX report only all year
D301Chloride [as Cl]MO MAX report only all year
D301Sulfate, total [as SO4]MO MAX report only all year
D301Hardness, Ca Mg Calculated [mg/L as CaCO3]MO MAX report only all year
D301Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D301Flow, in conduit or thru treatment plantMO AVG report only all year
D301Flow, in conduit or thru treatment plantMO MAX report only all year
D301Flow, in conduit or thru treatment plantMO TOTAL report only all year
D301Chlorine, total residualDAILY MX <= .038 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
D301Solids, total dissolvedMO MAX report only all year
D301Mercury, dissolved [as Hg]MO MAX report only May, Sep
D301Mercury, total [as Hg]MO MAX report only May, Sep
D301BOD, carbonaceous [5 day, 20 C]MO AVG <= 12 mg/L all year
D301BOD, carbonaceous [5 day, 20 C]MX WK AV <= 18 mg/L all year
D301BOD, carbonaceous [5 day, 20 C]MO AVG <= 408 kg/d all year
D301BOD, carbonaceous [5 day, 20 C]MX WK AV <= 613 kg/d all year
D301BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D301Solids, suspended percent removalMO AV MN >= 85 % all year
D306Specific conductanceMO MAX report only all year
D306Oxygen, dissolved [DO]MO MIN report only all year
D306pHMO MIN >= 6 SU all year
D306pHMO MAX <= 9 SU all year
D306Bicarbonate ion- [as HCO3]MO MAX report only all year
D306Solids, total suspendedMO AVG <= 30 mg/L all year
D306Solids, total suspendedMX WK AV <= 45 mg/L all year
D306Solids, total suspendedMO MAX report only May, Sep
D306Solids, total suspendedMO AVG <= 1021 kg/d all year
D306Solids, total suspendedMX WK AV <= 1532 kg/d all year
D306Nitrogen, total [as N]MO AVG report only all year
D306Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D306Nitrogen, ammonia total [as N]MO AVG <= 19 mg/L Jun, Jul, Aug, Sep
D306Nitrogen, ammonia total [as N]MO AVG <= 19 mg/L Jun, Jul, Aug, Sep
D306Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D306Nitrogen, ammonia total [as N]MO AVG <= 647 kg/d Jun, Jul, Aug, Sep
D306Nitrogen, ammonia total [as N]MO AVG <= 108 kg/d Jun, Jul, Aug, Sep
D306Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D306Nitrite + Nitrate total [as N]MO AVG report only all year
D306Phosphorus, total [as P]MO AVG report only all year
D306Phosphorus, total [as P]MO AVG report only all year
D306Calcium, total [as Ca]MO MAX report only all year
D306Magnesium, total [as Mg]MO MAX report only all year
D306Sodium, total [as Na]MO MAX report only all year
D306Potassium, total [as K]MO MAX report only all year
D306Chloride [as Cl]MO MAX report only all year
D306Sulfate, total [as SO4]MO MAX report only all year
D306Hardness, Ca Mg Calculated [mg/L as CaCO3]MO MAX report only all year
D306Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D306Flow, in conduit or thru treatment plantMO AVG report only all year
D306Flow, in conduit or thru treatment plantMO MAX report only all year
D306Flow, in conduit or thru treatment plantMO TOTAL report only all year
D306Chlorine, total residualDAILY MX <= .038 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
D306Solids, total dissolvedMO MAX report only all year
D306Mercury, dissolved [as Hg]MO MAX report only May, Sep
D306Mercury, total [as Hg]MO MAX report only May, Sep
D306BOD, carbonaceous [5 day, 20 C]MO AVG <= 12 mg/L all year
D306BOD, carbonaceous [5 day, 20 C]MX WK AV <= 18 mg/L all year
D306BOD, carbonaceous [5 day, 20 C]MO AVG <= 408 kg/d all year
D306BOD, carbonaceous [5 day, 20 C]MX WK AV <= 613 kg/d all year
D306BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D306Solids, suspended percent removalMO AV MN >= 85 % all year
S320Precipitation, total defined period/inMO TOTAL report only all year
S320pHMO MIN report only all year
S320pHMO MAX report only all year
S320Solids, total suspendedMO AVG report only all year
S320Solids, total suspendedMO MAX report only all year
S320Nitrogen, total [as N]MO AVG report only all year
S320Nitrogen, ammonia total [as N]MO AVG report only all year
S320Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
S320Nitrite + Nitrate total [as N]MO AVG report only all year
S320Phosphorus, total [as P]MO AVG report only all year
S320BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S320BOD, 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