City of Durand

NPDES permit MI0022063 · Minor POTW · administratively continued, expires 2025-10-01 · 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 2025-10-01 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

3values over a limit
0required values missing, on 0 form(s)
0of 12 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, carbonaceous [5 day, 20 C] (1), Solids, suspended percent removal (1), Phosphorus, total [as P] (1).

Reporting

Reports are due about 21 days after each monitoring period ends (the most common figure among MI permits in EPA's filings — check your permit).

Limits in force (78)

OutfallParameterStatisticLimitMonths
002Oxygen, dissolved [DO]DAILY MN >= 3 mg/L all year
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspended7 DA AVG <= 45 mg/L all year
002Solids, total suspendedMO AVG <= 200 lb/d all year
002Solids, total suspended7 DA AVG <= 300 lb/d all year
002Nitrogen, ammonia total [as N]MO AVG report only May, Jun, Jul, Aug, Sep
002Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
002Nitrogen, ammonia total [as N]DAILY MX <= 7 mg/L May, Jun, Jul, Aug, Sep
002Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
002Nitrogen, ammonia total [as N]MO AVG report only May, Jun, Jul, Aug, Sep
002Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
002Nitrogen, ammonia total [as N]7 DA AVG = 47 lb/d May, Jun, Jul, Aug, Sep
002Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
002Phosphorus, total [as P]MO AVG <= 1 mg/L all year
002Phosphorus, total [as P]DAILY MX report only all year
002Phosphorus, total [as P]MO AVG <= 6.7 lb/d all year
002Phosphorus, total [as P]DAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualDAILY MX <= 38 ug/L all year
002Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
002Coliform, fecal general7 DA GEO <= 400 #/100mL all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 16 mg/L May, Jun, Jul, Aug, Sep
002BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 40 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
002BOD, carbonaceous [5 day, 20 C]DAILY MX <= 24 mg/L May, Jun, Jul, Aug, Sep
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 170 lb/d Jan, Feb, Mar, Apr, Oct, Nov, Dec
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 110 lb/d May, Jun, Jul, Aug, Sep
002BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 270 lb/d Jan, Feb, Mar, Apr, Oct, Nov, Dec
002BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 160 lb/d May, Jun, Jul, Aug, Sep
002BOD, carb-5 day, 20 deg C, percent removalMINIMUM >= 85 % Jan, Feb, Mar, Apr, Oct, Nov, Dec
002BOD, carb-5 day, 20 deg C, percent removalDAILY MN report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
002Solids, suspended percent removalMINIMUM >= 85 % all year
002Solids, suspended percent removalDAILY MN report only all year
SLDSolids, totalMO MIN report only all year
SLDSolids, totalMO AVG report only all year
SLDSolids, totalMO MAX report only all year
SLDArsenic, dry weightMO MIN report only all year
SLDArsenic, dry weightMO AVG report only all year
SLDArsenic, dry weightMO MAX <= 75 mg/kg all year
SLDSelenium, dry weightMO MIN report only all year
SLDSelenium, dry weightMO AVG report only all year
SLDSelenium, dry weightMO MAX <= 100 mg/kg all year
SLDCopper, dry weightMO MIN report only all year
SLDCopper, dry weightMO AVG report only all year
SLDCopper, dry weightMO MAX <= 4300 mg/kg all year
SLDCadmium, dry weightMO MIN report only all year
SLDCadmium, dry weightMO AVG report only all year
SLDCadmium, dry weightMO MAX <= 85 mg/kg all year
SLDNitrogen, total KjeldahlMO MIN report only all year
SLDNitrogen, total KjeldahlMO AVG report only all year
SLDNitrogen, total KjeldahlMO MAX report only all year
SLDMolybdenum, sludge, total, dry weight [as Mo]MO MIN report only all year
SLDMolybdenum, sludge, total, dry weight [as Mo]MO AVG report only all year
SLDMolybdenum, sludge, total, dry weight [as Mo]MO MAX <= 75 mg/kg all year
SLDZinc, sludge, total, dry weight [as Zn]MO MIN report only all year
SLDZinc, sludge, total, dry weight [as Zn]MO AVG report only all year
SLDZinc, sludge, total, dry weight [as Zn]MO MAX <= 7500 mg/kg all year
SLDLead, sludge, total, dry weight [as Pb]MO MIN report only all year
SLDLead, sludge, total, dry weight [as Pb]MO AVG report only all year
SLDLead, sludge, total, dry weight [as Pb]MO MAX <= 840 mg/kg all year
SLDNickel, sludge, total, dry weight [as Ni]MO MIN report only all year
SLDNickel, sludge, total, dry weight [as Ni]MO AVG report only all year
SLDNickel, sludge, total, dry weight [as Ni]MO MAX <= 420 mg/kg all year
SLDNitrogen, sludge, total, dry weight [as N]MO MIN report only all year
SLDNitrogen, sludge, total, dry weight [as N]MO AVG report only all year
SLDNitrogen, sludge, total, dry weight [as N]MO MAX report only all year
SLDMercury, sludge, total, dry weight [as Hg]MO MIN report only all year
SLDMercury, sludge, total, dry weight [as Hg]MO AVG report only all year
SLDMercury, sludge, total, dry weight [as Hg]MO MAX <= 57 mg/kg all year
SLDPotassium, sludge, total, dry weight [as K]MO MIN report only all year
SLDPotassium, sludge, total, dry weight [as K]MO AVG report only all year
SLDPotassium, sludge, total, dry weight [as K]MO MAX report only all year
SLDPhosphorus, sludge, total, dry weight [as P]MO MIN report only all year
SLDPhosphorus, sludge, total, dry weight [as P]MO AVG report only all year
SLDPhosphorus, sludge, total, dry weight [as P]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