ST JOSEPH COUNTY RWSD - WYATT WWTP

NPDES permit IN0063258 · Minor POTW · effective, expires 2030-08-31 · 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.

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

1values over a limit
0required values missing, on 0 form(s)
1of 34 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (112)

OutfallParameterStatisticLimitMonths
000Cyanide, free [as free]DAILY MX report only Mar, Jun, Sep, Dec
000Cyanide, free [as free]DAILY MX report only Mar, Jun, Sep, Dec
000Chloride [as Cl]MO AVG report only all year
000Chloride [as Cl]DAILY MX report only all year
000Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
000Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
000Nickel, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
000Nickel, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
000Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
000Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
000Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
000Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
000Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
000Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
000Copper, total recoverableMO AVG report only all year
000Copper, total recoverableDAILY MX report only all year
000PhenolDAILY MX report only Mar, Jun, Sep, Dec
000PhenolDAILY MX report only Mar, Jun, Sep, Dec
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 9 lb/d all year
001Solids, total suspendedMX WK AV <= 13.5 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 12 mg/L all year
001Nitrogen, ammonia total [as N]MX WK AV <= 18 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 3.6 lb/d all year
001Nitrogen, ammonia total [as N]MX WK AV <= 5.4 lb/d all year
001Chloride [as Cl]MO AVG <= 690 mg/L all year
001Chloride [as Cl]DAILY MX <= 1400 mg/L all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
001Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
001Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
001Sulfate, total [as SO4]DAILY MX report only Mar, Jun, Sep, Dec
001Nickel, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Nickel, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Nickel, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Nickel, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Cadmium, total recoverableMO AVG <= .006 mL/L all year
001Cadmium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Cadmium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Cadmium, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX <= .012 mL/L all year
001Cadmium, total recoverableMO AVG report only all year
001Cadmium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Cadmium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Lead, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Chromium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
001Copper, total recoverableMO AVG <= .051 mg/L all year
001Copper, total recoverableDAILY MX <= .1 mg/L all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001PhenolDAILY MX report only Mar, Jun, Sep, Dec
001PhenolDAILY MX report only Mar, Jun, Sep, Dec
001PhenolDAILY MX report only Mar, Jun, Sep, Dec
001PhenolDAILY MX report only Mar, Jun, Sep, Dec
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Chlorine, total residualMO AVG < .06 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MX < .06 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MN >= .5 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli, colony forming units [CFU]MO GEO <= 125 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli, colony forming units [CFU]DAILY MX <= 235 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Jan, Jul
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Jan, Jul
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Jun, Dec
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Jun, Dec
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 2.1 tox chronic Jan, Jul
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 2.1 tox chronic Jan, Jul
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 2.1 tox chronic Jun, Dec
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 2.1 tox chronic Jun, Dec
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Jan, Jul
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Jan, Jul
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Jun, Dec
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Jun, Dec
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 2.1 tox chronic Jan, Jul
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 2.1 tox chronic Jan, Jul
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 2.1 tox chronic Jun, Dec
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 2.1 tox chronic Jun, Dec
001Flow, well waterMO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 7.5 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 12 lb/d all year
001Flow, totalMO TOTAL report only all year
PRTCopper, dry weightVALUE report only Jun, Dec
PRTCopper, dry weightVALUE report only Jun, Dec
PRTCadmium, dry weightVALUE report only Jun, Dec
PRTCadmium, dry weightVALUE report only Jun, Dec
PRTMolybdenum, sludge, total, dry weight [as Mo]VALUE report only Jun, Dec
PRTMolybdenum, sludge, total, dry weight [as Mo]VALUE report only Jun, Dec
PRTZinc, sludge, total, dry weight [as Zn]VALUE report only Jun, Dec
PRTZinc, sludge, total, dry weight [as Zn]VALUE report only Jun, Dec
PRTLead, sludge, total, dry weight [as Pb]VALUE report only Jun, Dec
PRTLead, sludge, total, dry weight [as Pb]VALUE report only Jun, Dec
PRTNickel, sludge, total, dry weight [as Ni]VALUE report only Jun, Dec
PRTNickel, sludge, total, dry weight [as Ni]VALUE report only Jun, Dec
PRTMercury, sludge, total, dry weight [as Hg]VALUE report only Jun, Dec
PRTMercury, sludge, total, dry weight [as Hg]VALUE report only Jun, Dec

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