Harmony city of

NPDES permit MN0022322 · Minor POTW · effective, expires 2028-09-30 · 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.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 22 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 (47)

OutfallParameterStatisticLimitMonths
D015Specific conductanceMO MAX report only all year
D015Oxygen, dissolved [DO]MO MIN report only all year
D015pHMO MIN >= 6 SU all year
D015pHMO MAX <= 9 SU all year
D015Bicarbonate ion- [as HCO3]QB report only Mar, Jun, Sep, Dec
D015Solids, total suspendedMO AVG <= 30 mg/L all year
D015Solids, total suspendedMX WK AV <= 45 mg/L all year
D015Solids, total suspendedMO AVG <= 22 kg/d all year
D015Solids, total suspendedMX WK AV <= 33 kg/d all year
D015Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D015Nitrogen, ammonia total [as N]MO AVG report only all year
D015Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D015Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D015Phosphorus, total [as P]MO AVG report only all year
D015Phosphorus, total [as P]MO AVG report only all year
D015Calcium, total [as Ca]QB report only Mar, Jun, Sep, Dec
D015Magnesium, total [as Mg]QB report only Mar, Jun, Sep, Dec
D015Sodium, total [as Na]QB report only Mar, Jun, Sep, Dec
D015Potassium, total [as K]QB report only Mar, Jun, Sep, Dec
D015Chloride [as Cl]QB report only Mar, Jun, Sep, Dec
D015Sulfate, total [as SO4]QB report only Mar, Jun, Sep, Dec
D015Hardness, Ca Mg Calculated [mg/L as CaCO3]QB report only Mar, Jun, Sep, Dec
D015Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL all year
D015Flow, in conduit or thru treatment plantMO AVG report only all year
D015Flow, in conduit or thru treatment plantMO MAX report only all year
D015Flow, in conduit or thru treatment plantMO TOTAL report only all year
D015Solids, total dissolvedQB report only Mar, Jun, Sep, Dec
D015BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L all year
D015BOD, carbonaceous [5 day, 20 C]MX WK AV <= 25 mg/L all year
D015BOD, carbonaceous [5 day, 20 C]MO AVG <= 11 kg/d all year
D015BOD, carbonaceous [5 day, 20 C]MX WK AV <= 18.3 kg/d all year
D015BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D015Solids, suspended percent removalMO AV MN >= 85 % all year
S016Precipitation, total defined period/inMO TOTAL report only all year
S016pHMO MIN report only all year
S016pHMO MAX report only all year
S016Solids, total suspendedMO AVG report only all year
S016Solids, total suspendedMO MAX report only all year
S016Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S016Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S016Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S016Phosphorus, total [as P]MO AVG report only all year
S016Flow, in conduit or thru treatment plantMO AVG report only all year
S016Flow, in conduit or thru treatment plantMO MAX report only all year
S016Flow, in conduit or thru treatment plantMO TOTAL report only all year
S016BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S016BOD, 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