Genesee County Division of Water & Waste Services

NPDES permit MI0022993 · Major POTW · effective, expires 2029-10-01 · 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.

EPA's record, 2025-09-01 to 2026-08-31

1values 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: Nitrogen, ammonia total [as N] (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 (107)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 6 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Oxygen, dissolved [DO]DAILY MN >= 3 mg/L Jan, Feb, Mar, Apr, Dec
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedMO AVG <= 20 mg/L Jun, Jul, Aug, Sep, Oct
001Solids, total suspended7 DA AVG <= 45 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspended7 DA AVG <= 30 mg/L Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 2800 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedMO AVG <= 1800 lb/d Jun, Jul, Aug, Sep, Oct
001Solids, total suspended7 DA AVG <= 4100 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspended7 DA AVG <= 2800 lb/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= .5 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 12 mg/L Apr
001Nitrogen, ammonia total [as N]MO AVG <= 3.9 mg/L May
001Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 2 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX report only Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 6.6 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 46 lb/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 1100 lb/d Apr
001Nitrogen, ammonia total [as N]MO AVG <= 360 lb/d May
001Nitrogen, ammonia total [as N]MO AVG <= 920 lb/d Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]7 DA AVG <= 180 lb/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX report only Apr
001Nitrogen, ammonia total [as N]7 DA AVG <= 610 lb/d May
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]MO AVG <= .5 mg/L May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]MO AVG <= 1 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Phosphorus, total [as P]DAILY MX report only May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Phosphorus, total [as P]MO AVG <= 46 lb/d May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]MO AVG <= 92 lb/d Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Phosphorus, total [as P]DAILY MX report only May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY MX report only 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
001PerfluorooctanesulfonateDAILY MX report only all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]1D <= 2 ng/L all year
001Mercury, total [as Hg]1D <= .00018 lb/d all year
001Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
001Coliform, fecal general7 DA GEO <= 400 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 4 mg/L Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 13 mg/L May
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 40 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 10 mg/L Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 20 mg/L May
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 2300 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 370 lb/d Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 1200 lb/d May
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 3700 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 920 lb/d Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 1800 lb/d May
001BOD, carb-5 day, 20 deg C, percent removalMINIMUM >= 85 % Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carb-5 day, 20 deg C, percent removalDAILY MN report only Jan, Feb, Mar, Apr, Nov, Dec
001Solids, suspended percent removalMINIMUM >= 85 % Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, suspended percent removalDAILY MN report only Jan, Feb, Mar, Apr, May, 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