Crane Lake Water & Sanitary District

NPDES permit MN0066371 · Minor POTW · administratively continued, expires 2026-06-30 · 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.

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 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 (34)

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 <= 6 kg/d all year
D002Solids, total suspendedMX WK AV <= 8.9 kg/d all year
D002Nitrogen, total [as N]MO AVG report only Mar, 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 <= 1 mg/L all year
D002Phosphorus, total [as P]MO AVG report only all year
D002Sulfate, total [as SO4]ANNL AVG report only all year
D002Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL all year
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
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 <= 5 kg/d all year
D002BOD, carbonaceous [5 day, 20 C]MX WK AV <= 7.9 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
S004Precipitation, total defined period/inMO TOTAL report only all year
S004pHMO MIN report only all year
S004pHMO MAX report only all year
S004Solids, total suspendedMO AVG report only all year
S004Solids, total suspendedMO MAX report only all year
S004Nitrogen, total [as N]MO AVG report only Mar, Sep
S004Nitrogen, Kjeldahl, total [as N]MO AVG report only Mar, Sep
S004Nitrite + Nitrate total [as N]MO AVG report only Mar, Sep
S004Phosphorus, total [as P]MO AVG report only all year
S004BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S004BOD, 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