OAKLEY CITY WATER IMPROVEMENT

NPDES permit UT0020061 · Minor POTW · administratively continued, expires 2022-07-31 · 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.

This permit expired on 2022-07-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
3of 13 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 (37)

OutfallParameterStatisticLimitMonths
002Temperature, water deg. centigrade30DA AVG report only all year
002Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
002BOD, 5-day, 20 deg. CMX MO AV <= 25 mg/L all year
002BOD, 5-day, 20 deg. CMX WK AV <= 35 mg/L all year
002BOD, 5-day, 20 deg. C30DA AVG report only all year
002pHMINIMUM >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMX MO AV <= 25 mg/L all year
002Solids, total suspendedMX WK AV <= 35 mg/L all year
002Solids, total suspendedMX MO AV report only all year
002Nitrogen, total [as N]30DA AVG report only Apr, May, Jun, Jul, Aug, Sep
002Nitrogen, total [as N]30DA AVG report only Jan, Feb, Mar, Oct, Nov, Dec
002Nitrogen, total [as N]3E report only Apr, May, Jun, Jul, Aug, Sep
002Nitrogen, total [as N]3E report only Jan, Feb, Mar, Oct, Nov, Dec
002Nitrogen, total [as N]SX <= 1732 kg/yr Apr, May, Jun, Jul, Aug, Sep
002Nitrogen, total [as N]ANNL MAX <= 3464 kg/yr all year
002Nitrogen, ammonia total [as N]30DA AVG report only all year
002Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
002Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
002Nitrite + Nitrate total [as N]30DA AVG report only all year
002Phosphorus, total [as P]30DA AVG report only Apr, May, Jun, Jul, Aug, Sep
002Phosphorus, total [as P]30DA AVG report only Jan, Feb, Mar, Oct, Nov, Dec
002Phosphorus, total [as P]3E report only Apr, May, Jun, Jul, Aug, Sep
002Phosphorus, total [as P]3E report only Jan, Feb, Mar, Oct, Nov, Dec
002Phosphorus, total [as P]SX <= 173 kg/yr Apr, May, Jun, Jul, Aug, Sep
002Phosphorus, total [as P]ANNL MAX <= 346 kg/yr all year
002Phosphorus, total [as P]30DA AVG report only all year
002Oil and greaseDAILY MX <= 10 mg/L all year
002Phosphate, ortho [as P]30DA AVG report only all year
002Flow, in conduit or thru treatment plantMX MO AV <= .25 MGD all year
002Flow, in conduit or thru treatment plant3B report only all year
002E. coliMX MO AV <= 126 #/100mL all year
002E. coliMX WK AV <= 157 #/100mL all year
002Nitrogen, nitrate total [as NO3]30DA AVG report only all year
002Nitrogen, nitrite total [as NO2]30DA AVG report only all year
002BOD, 5-day, percent removalMINIMUM >= 85 % all year
002Solids, suspended percent removalMINIMUM >= 85 % 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