Morristown city of

NPDES permit MN0025895 · Minor POTW · effective, expires 2028-06-30 · 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 34 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 (40)

OutfallParameterStatisticLimitMonths
D008Oxygen, dissolved [DO]MO MIN report only all year
D008pHMO MIN >= 6 SU all year
D008pHMO MAX <= 9 SU all year
D008Solids, total suspendedMO AVG <= 30 mg/L all year
D008Solids, total suspendedMO MAX report only Jul
D008Solids, total suspendedMX WK AV <= 45 mg/L all year
D008Solids, total suspendedMO AVG <= 24 kg/d all year
D008Solids, total suspendedMX WK AV <= 36 kg/d all year
D008Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D008Nitrogen, ammonia total [as N]MO AVG report only Mar, Sep
D008Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D008Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D008Phosphorus, total [as P]MO AVG <= 1 mg/L all year
D008Phosphorus, total [as P]MO AVG report only all year
D008Phosphorus, total [as P]ANNL TOT <= 145 kg/yr all year
D008Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D008Flow, in conduit or thru treatment plantMO AVG report only all year
D008Flow, in conduit or thru treatment plantMO MAX report only all year
D008Flow, in conduit or thru treatment plantMO TOTAL report only all year
D008Chlorine, total residualDAILY MX <= .038 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
D008Solids, total dissolvedMO AVG report only Mar, Sep
D008Mercury, dissolved [as Hg]MO MAX report only Jul
D008Mercury, total [as Hg]MO MAX report only Jul
D008BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D008BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
D008BOD, carbonaceous [5 day, 20 C]MO AVG <= 20 kg/d all year
D008BOD, carbonaceous [5 day, 20 C]MX WK AV <= 32 kg/d all year
D008BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D008Solids, suspended percent removalMO AV MN >= 85 % all year
S009Precipitation, total defined period/inMO TOTAL report only all year
S009pHMO MIN report only all year
S009pHMO MAX report only all year
S009Solids, total suspendedMO AVG report only all year
S009Solids, total suspendedMO MAX report only all year
S009Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S009Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S009Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S009Phosphorus, total [as P]MO AVG report only all year
S009BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S009BOD, 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