PATOKA LAKE REGIONAL WATER & SEWER DISTRICT

NPDES permit IN0052698 · Minor POTW · effective, expires 2028-11-30 · EPA's file as of 2026-09-19

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

6values over a limit
2required values missing, on 2 form(s)
2of 15 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (6).

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 (44)

OutfallParameterStatisticLimitMonths
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 <= 175 lb/d all year
001Solids, total suspendedMX WK AV <= 263 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 13 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MX WK AV <= 19.5 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 58 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 76 lb/d Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 88 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MX WK AV <= 114 lb/d Jan, Feb, Mar, Apr, Dec
001Flow, in conduit or thru treatment plantMO AVG report only all year
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 Nov
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Dec
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 6.8 tox chronic Nov
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 6.8 tox chronic Dec
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Nov
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Dec
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 6.8 tox chronic Nov
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 6.8 tox chronic Dec
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 <= 146 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 234 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