La Salle city of

NPDES permit MN0067458 · Minor POTW · effective, expires 2030-02-28 · 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

2values over a limit
0required values missing, on 0 form(s)
0of 33 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, suspended percent removal (1), Nitrogen, ammonia total [as N] (1).

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 (43)

OutfallParameterStatisticLimitMonths
D002Oxygen, dissolved [DO]MO MIN report only all year
D002pHMO MIN >= 6 SU all year
D002pHMO MAX <= 9 SU all year
D002Solids, total suspendedMO AVG <= 30 mg/L all year
D002Solids, total suspendedMX WK AV <= 45 mg/L all year
D002Solids, total suspendedMO AVG <= 1.7 kg/d all year
D002Solids, total suspendedMX WK AV <= 2.6 kg/d all year
D002Nitrogen, total [as N]MO AVG report only Mar, Sep
D002Nitrogen, ammonia total [as N]MO AVG <= 14 mg/L Jun, Jul, Aug, Sep
D002Nitrogen, ammonia total [as N]MO AVG <= .79 kg/d Jun, Jul, Aug, Sep
D002Nitrogen, Kjeldahl, total [as N]MO AVG report only Mar, Sep
D002Nitrite + Nitrate total [as N]MO AVG report only Mar, Sep
D002Phosphorus, total [as P]MO AVG report only Jun, Jul, Aug, Sep
D002Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D002Phosphorus, total [as P]MO AVG <= .2 kg/d Jun, Jul, Aug, Sep
D002Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D002Phosphorus, total [as P]YA <= 73 kg/yr all year
D002Sulfate, total [as SO4]QB report only Mar, Jun, Sep, Dec
D002Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D002Flow, in conduit or thru treatment plantMO AVG report only all year
D002Flow, in conduit or thru treatment plantMO MAX report only all year
D002Flow, in conduit or thru treatment plantMO TOTAL report only all year
D002Solids, total dissolvedMO AVG report only Mar, Sep
D002BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D002BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
D002BOD, carbonaceous [5 day, 20 C]MO AVG <= 1.4 kg/d all year
D002BOD, carbonaceous [5 day, 20 C]MX WK AV <= 2.3 kg/d all year
D002BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D002Solids, suspended percent removalMO AV MN >= 85 % all year
S003Precipitation, total defined period/inMO TOTAL report only all year
S003pHMO MIN report only all year
S003pHMO MAX report only all year
S003Solids, total suspendedMO AVG report only all year
S003Solids, total suspendedMO MAX report only all year
S003Nitrogen, total [as N]MO AVG report only Mar, Sep
S003Nitrogen, Kjeldahl, total [as N]MO AVG report only Mar, Sep
S003Nitrite + Nitrate total [as N]MO AVG report only Mar, Sep
S003Phosphorus, total [as P]MO AVG report only all year
S003Flow, in conduit or thru treatment plantMO AVG report only all year
S003Flow, in conduit or thru treatment plantMO MAX report only all year
S003Flow, in conduit or thru treatment plantMO TOTAL report only all year
S003BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S003BOD, 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