STEUBEN LAKES RWD

NPDES permit IN0061557 · Major POTW · effective, expires 2028-03-31 · 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

9values over a limit
0required values missing, on 0 form(s)
1of 15 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (6), Solids, total suspended (2), Mercury, total recoverable (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 (65)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DLYAVMIN >= 6.5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Oxygen, dissolved [DO]DLYAVMIN >= 7 mg/L Jan, Feb, Mar, Apr, Dec
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 15 mg/L Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedMO AVG <= 5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedMX WK AV <= 22.5 mg/L Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedMX WK AV <= 7.5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedMO AVG <= 125.2 lb/d Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedMO AVG <= 41.7 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedMX WK AV <= 187.8 lb/d Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedMX WK AV <= 62.6 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 <= .78 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= .83 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 1.8 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 1.9 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 6.5 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 6.9 lb/d Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 15 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 15.9 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 (alert) Mar
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1 tox acute (alert) Apr
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 2.2 tox chronic (alert) Mar
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 2.2 tox chronic (alert) Apr
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute (alert) Mar
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1 tox acute (alert) Apr
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 2.2 tox chronic (alert) Mar
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 2.2 tox chronic (alert) Apr
001Mercury, total recoverableMO AVG <= 1.3 ng/L Feb, Apr, Jun, Aug, Oct, Dec
001Mercury, total recoverableDAILY MX <= 3.2 ng/L Feb, Apr, Jun, Aug, Oct, Dec
001Mercury, total recoverableMO AVG <= .000011 lb/d Feb, Apr, Jun, Aug, Oct, Dec
001Mercury, total recoverableDAILY MX <= .000027 lb/d 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 <= 15 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 22.5 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 7.5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 125.2 lb/d Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 41.7 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 187.8 lb/d Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 62.6 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
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