Grand Rapids city of

NPDES permit MN0022080 · Major POTW · expired, expires 2025-01-31 · 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 2025-01-31 and is expired: 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

6values over a limit
0required values missing, on 0 form(s)
0of 35 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (4), BOD, carbonaceous [5 day, 20 C] (2).

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 (59)

OutfallParameterStatisticLimitMonths
D048Oxygen, dissolved [DO]MO MIN report only all year
D048pHMO MIN >= 6 SU all year
D048pHMO MAX <= 9 SU all year
D048Solids, total suspendedMO AVG <= 30 mg/L all year
D048Solids, total suspendedMO MAX report only May, Sep
D048Solids, total suspendedMX WK AV <= 45 mg/L all year
D048Solids, total suspendedMO AVG <= 1726 kg/d all year
D048Solids, total suspendedMX WK AV <= 2589 kg/d all year
D048Nitrogen, total [as N]MO AVG report only all year
D048Nitrogen, ammonia total [as N]MO AVG <= 8 mg/L Jun, Jul, Aug, Sep
D048Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
D048Nitrogen, ammonia total [as N]MO AVG <= 460 kg/d Jun, Jul, Aug, Sep
D048Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
D048Nitrite + Nitrate total [as N]MO AVG report only all year
D048Phosphorus, total [as P]MO AVG report only all year
D048Phosphorus, total [as P]MO AVG report only all year
D048Zinc, total [as Zn]MO AVG report only all year
D048Zinc, total [as Zn]MO MAX <= 418 ug/L all year
D048Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D048Flow, in conduit or thru treatment plantMO AVG report only all year
D048Flow, in conduit or thru treatment plantMO MAX report only all year
D048Flow, in conduit or thru treatment plantMO TOTAL report only all year
D048Chlorine, total residualDAILY MX <= .038 mg/L all year
D048Solids, total dissolvedMO AVG report only Mar, Sep
D048Mercury, dissolved [as Hg]MO MAX report only May, Sep
D048Mercury, total [as Hg]MO MAX report only May, Sep
D048BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
D048BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
D048BOD, carbonaceous [5 day, 20 C]MO AVG <= 1438 kg/d all year
D048BOD, carbonaceous [5 day, 20 C]MX WK AV <= 2301 kg/d all year
D048BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D048Solids, suspended percent removalMO AV MN >= 85 % all year
S052Precipitation, total defined period/inMO TOTAL report only all year
S052pHMO MIN report only all year
S052pHMO MAX report only all year
S052Solids, total suspendedMO AVG report only all year
S052Solids, total suspendedMO MAX report only all year
S052Nitrogen, total [as N]MO AVG report only all year
S052Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
S052Nitrite + Nitrate total [as N]MO AVG report only all year
S052Phosphorus, total [as P]MO AVG report only all year
S052Flow, in conduit or thru treatment plantMO AVG report only all year
S052Flow, in conduit or thru treatment plantMO MAX report only all year
S052Flow, in conduit or thru treatment plantMO TOTAL report only all year
S052BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S052BOD, carbonaceous [5 day, 20 C]MO MAX report only all year
S053Temperature, water deg. fahrenheitINST MAX report only all year
S053pHMO MIN report only all year
S053pHMO MAX report only all year
S053Solids, total suspendedMO AVG report only all year
S053Solids, total suspendedMO MAX report only all year
S053Nitrogen, total [as N]MO AVG report only all year
S053Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
S053Nitrite + Nitrate total [as N]MO AVG report only all year
S053Flow, in conduit or thru treatment plantMO AVG report only all year
S053Flow, in conduit or thru treatment plantMO MAX report only all year
S053Flow, in conduit or thru treatment plantMO TOTAL report only all year
S053BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S053BOD, 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