Lenawee County Drain Commission

NPDES permit MI0053848 · Minor POTW · administratively continued, expires 2025-10-01 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
12required values missing, on 3 form(s)
0of 34 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 MI permits in EPA's filings — check your permit).

Limits in force (87)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 10 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO MAX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]ANNL MAX <= 200 lb/yr all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Coliform, fecal generalMO AVG report only all year
001Coliform, fecal generalDAILY MX report only all year
002Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Mar, Apr, Oct, Nov, Dec
002BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Mar, Apr, Oct, Nov, Dec
002BOD, 5-day, 20 deg. C7 DA AVG <= 45 mg/L Mar, Apr, Oct, Nov, Dec
002pHDAILY MN >= 6.5 SU Mar, Apr, Oct, Nov, Dec
002pHDAILY MX <= 10 SU Mar, Apr, Oct, Nov, Dec
002Solids, total suspendedMO AVG <= 70 mg/L Mar, Apr
002Solids, total suspendedMO AVG <= 40 mg/L Oct, Nov, Dec
002Solids, total suspended7 DA AVG <= 100 mg/L Mar, Apr
002Solids, total suspended7 DA AVG <= 45 mg/L Oct, Nov, Dec
002Nitrogen, ammonia total [as N]MO AVG report only Mar, Apr, Oct, Nov, Dec
002Nitrogen, ammonia total [as N]DAILY MX report only Mar, Apr, Oct, Nov, Dec
002Phosphorus, total [as P]MO AVG <= 1 mg/L Mar, Apr, Oct, Nov, Dec
002Phosphorus, total [as P]DAILY MX report only Mar, Apr, Oct, Nov, Dec
002Phosphorus, total [as P]MO AVG report only all year
002Phosphorus, total [as P]MO AVG report only Mar, Apr, Oct, Nov, Dec
002Phosphorus, total [as P]DAILY MX report only Mar, Apr, Oct, Nov, Dec
002Phosphorus, total [as P]MO MAX report only all year
002Phosphorus, total [as P]MO AVG <= 1 mg/L Mar, Apr, Oct, Nov, Dec
002Phosphorus, total [as P]DAILY MX report only Mar, Apr, Oct, Nov, Dec
002Phosphorus, total [as P]MO AVG report only Mar, Apr, Oct, Nov, Dec
002Phosphorus, total [as P]DAILY MX report only Mar, Apr, Oct, Nov, Dec
002Flow, in conduit or thru treatment plantMO AVG report only Mar, Apr, Oct, Nov, Dec
002Flow, in conduit or thru treatment plantDAILY MX report only Mar, Apr, Oct, Nov, Dec
002Coliform, fecal generalMO GEOMN <= 200 #/100mL Mar, Apr, Oct, Nov, Dec
002Coliform, fecal general7 DA GEO <= 400 #/100mL Mar, Apr, Oct, Nov, Dec
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