Hinckley city of

NPDES permit MN0023701 · Minor POTW · effective, expires 2029-01-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
2required values missing, on 1 form(s)
0of 36 forms filed late

Last period with anything received: 2026-08-31.

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 (44)

OutfallParameterStatisticLimitMonths
D027Oxygen, dissolved [DO]MO MIN >= 5 mg/L all year
D027pHMO MIN >= 6 SU all year
D027pHMO MAX <= 9 SU all year
D027Solids, total suspendedMO AVG <= 30 mg/L all year
D027Solids, total suspendedMO MAX report only Jul
D027Solids, total suspendedMX WK AV <= 45 mg/L all year
D027Solids, total suspendedMO AVG <= 77 kg/d all year
D027Solids, total suspendedMX WK AV <= 115.5 kg/d all year
D027Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D027Nitrogen, ammonia total [as N]MO AVG report only Mar
D027Nitrogen, ammonia total [as N]MO AVG <= 3 mg/L Jun, Jul, Aug, Sep
D027Nitrogen, ammonia total [as N]MO AVG report only Mar
D027Nitrogen, ammonia total [as N]MO AVG <= 7.7 kg/d Jun, Jul, Aug, Sep
D027Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D027Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D027Phosphorus, total [as P]MO AVG <= 1 mg/L Jun, Jul, Aug, Sep
D027Phosphorus, total [as P]MO AVG <= 1 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D027Phosphorus, total [as P]MO AVG <= 5.4 kg/d Jun, Jul, Aug, Sep
D027Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D027Phosphorus, total [as P]ANNL TOT <= 942 kg/yr all year
D027Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D027Flow, in conduit or thru treatment plantMO AVG report only all year
D027Flow, in conduit or thru treatment plantMO MAX report only all year
D027Flow, in conduit or thru treatment plantMO TOTAL report only all year
D027Solids, total dissolvedMO AVG report only Mar, Sep
D027Mercury, dissolved [as Hg]MO MAX report only Jul
D027Mercury, total [as Hg]MO MAX report only Jul
D027BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L all year
D027BOD, carbonaceous [5 day, 20 C]MX WK AV <= 22.5 mg/L all year
D027BOD, carbonaceous [5 day, 20 C]MO AVG <= 38 kg/d all year
D027BOD, carbonaceous [5 day, 20 C]MX WK AV <= 57 kg/d all year
D027BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D027Solids, suspended percent removalMO AV MN >= 85 % all year
S030Precipitation, total defined period/inMO TOTAL report only all year
S030pHMO MIN report only all year
S030pHMO MAX report only all year
S030Solids, total suspendedMO AVG report only all year
S030Solids, total suspendedMO MAX report only all year
S030Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S030Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S030Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S030Phosphorus, total [as P]MO AVG report only all year
S030BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S030BOD, 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