ONEIDA WWTF

NPDES permit WI0071323 · Minor POTW · effective, expires 2028-04-10 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 14 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among WI permits in EPA's filings — check your permit).

Limits in force (36)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 6 mg/L all year
001BOD, 5-day, 20 deg. C30DA AVG <= 20 mg/L all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. C30DA AVG <= 50 lb/d all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 75 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 8.5 SU all year
001pHDAILY MN report only all year
001pHDAILY MX report only all year
001Solids, total suspended30DA AVG <= 10 mg/L all year
001Solids, total suspended7 DA AVG <= 15 mg/L all year
001Solids, total suspended30DA AVG <= 25 lb/d all year
001Solids, total suspended7 DA AVG <= 38 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]30DA AVG <= 5.59 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 9.87 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 9.87 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 14 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 24.7 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 24.7 lb/d May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]30DA AVG <= .75 mg/L all year
001Phosphorus, total [as P]DAILY MX <= 1 mg/L all year
001Phosphorus, total [as P]30DA AVG <= 1.9 lb/d all year
001Phosphorus, total [as P]DAILY MX <= 2.5 lb/d all year
001Phosphorus, total [as P]MO AVG report only all year
001Flow, in conduit or thru treatment plant30DA AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001E. coliGEO MEAN <= 126 #/100mL May, Jun, Jul, Aug, Sep
001E. coliDAILY MX <= 235 #/100mL May, Jun, Jul, Aug, Sep
001Mercury, total [as Hg]30DA AVG <= 8 ng/L all year
001Mercury, total [as Hg]30DA AVG <= .000021 lb/d all year
001Mercury, total [as Hg]30DA AVG report only all year
001BOD, 5-day, percent removalMO MIN >= 85 % all year
001Outfall observation,visual, y/n response30DA AVG 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