NAPPANEE WWTP, CITY OF

NPDES permit IN0021466 · Major POTW · effective, expires 2030-02-28 · EPA's file as of 2026-09-19

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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

0values over a limit
0required values missing, on 0 form(s)
1of 147 forms filed late

Last period with anything received: 2026-07-31.

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 (118)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DLYAVMIN >= 5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Oxygen, dissolved [DO]DLYAVMIN >= 4 mg/L Jan, Feb, Mar, Apr, Dec
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedMO AVG <= 18 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedMX WK AV <= 45 mg/L Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedMX WK AV <= 27 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedMO AVG <= 751 lb/d Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedMO AVG <= 451 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedMX WK AV <= 1127 lb/d Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedMX WK AV <= 676 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.3 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 1.3 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 2.9 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 3.1 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 33 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 33 lb/d Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 73 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 78 lb/d Jan, Feb, Mar, Apr, Dec
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Phosphorus, total [as P]MO AVG report only all year
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 Mar
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute Feb
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 1 tox chronic Mar
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 1 tox chronic Feb
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Mar
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute Feb
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox chronic Mar
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox chronic Feb
001Mercury, total recoverableROLL AVG <= 3.3 ng/L Feb, Apr, Jun, Aug, Oct, Dec
001Mercury, total recoverableDAILY MX report only Feb, Apr, Jun, Aug, Oct, Dec
001Mercury, total recoverableDAILY MX report only Feb, Apr, Jun, Aug, Oct, Dec
001Mercury, total recoverableDAILY MX report only Feb, Apr, Jun, Aug, Oct, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 23 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 626 lb/d Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 376 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 1001 lb/d Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 576 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Phosphorus, total percent removalMO AV MN >= 80 % all year
001Flow, totalMO TOTAL report only all year
002DurationMO TOTAL report only all year
002Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
002Precipitation, monthly accumulationMO TOTAL report only all year
002Discharge event observation [Visual Monitoring]MO TOTAL report only all year
004DurationMO TOTAL report only all year
004Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
004Precipitation, monthly accumulationMO TOTAL report only all year
004Discharge event observation [Visual Monitoring]MO TOTAL report only all year
005DurationMO TOTAL report only all year
005Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
005Precipitation, monthly accumulationMO TOTAL report only all year
005Discharge event observation [Visual Monitoring]MO TOTAL report only all year
006DurationMO TOTAL report only all year
006Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
006Precipitation, monthly accumulationMO TOTAL report only all year
006Discharge event observation [Visual Monitoring]MO TOTAL report only all year
008DurationMO TOTAL report only all year
008Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
008Precipitation, monthly accumulationMO TOTAL report only all year
008Discharge event observation [Visual Monitoring]MO TOTAL report only all year
009DurationMO TOTAL report only all year
009Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
009Precipitation, monthly accumulationMO TOTAL report only all year
009Discharge event observation [Visual Monitoring]MO TOTAL report only all year
010DurationMO TOTAL report only all year
010Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
010Precipitation, monthly accumulationMO TOTAL report only all year
010Discharge event observation [Visual Monitoring]MO TOTAL report only all year
012DurationMO TOTAL report only all year
012Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
012Precipitation, monthly accumulationMO TOTAL report only all year
012Discharge event observation [Visual Monitoring]MO TOTAL report only all year
014DurationMO TOTAL report only all year
014Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
014Precipitation, monthly accumulationMO TOTAL report only all year
014Discharge event observation [Visual Monitoring]MO TOTAL report only all year
016DurationMO TOTAL report only all year
016Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
016Precipitation, monthly accumulationMO TOTAL report only all year
016Discharge event observation [Visual Monitoring]MO TOTAL report only all year
017DurationMO TOTAL report only all year
017Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
017Precipitation, monthly accumulationMO TOTAL report only all year
017Discharge event observation [Visual Monitoring]MO TOTAL report only all year
018pHDAILY MN report only all year
018pHDAILY MX report only all year
018Solids, total suspendedMO AVG report only all year
018Solids, total suspendedDAILY MX report only all year
018Flow, in conduit or thru treatment plantMO AVG report only all year
018Flow, in conduit or thru treatment plantDAILY MX report only all year
018E. coli, colony forming units [CFU]MO GEO <= 125 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
018E. coli, colony forming units [CFU]DAILY MX <= 235 CFU/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
018BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
018BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
018Flow, 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

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