City of Clewiston

NPDES permit FL0040665 · Major POTW · effective, expires 2027-03-29 · 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

14values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Oxygen, dissolved percent saturation (11), Nitrogen, total [as N] (2), IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among FL permits in EPA's filings — check your permit).

Limits in force (34)

OutfallParameterStatisticLimitMonths
002Temperature, water deg. centigradeMAXIMUM report only all year
002Oxygen, dissolved percent saturationMINIMUM >= 38 % all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 8.5 SU all year
002Nitrogen, total [as N]MAXIMUM <= 6 mg/L all year
002Nitrogen, total [as N]WKLY AVG <= 4.5 mg/L all year
002Nitrogen, total [as N]WKLY AVG <= 4.5 mg/L all year
002Nitrogen, total [as N]MAXIMUM <= 6 mg/L all year
002Nitrogen, total [as N]MO AVG <= 3.75 mg/L all year
002Nitrogen, total [as N]MO AVG <= 3.75 mg/L all year
002Nitrogen, total [as N]ANNL AVG <= 3 mg/L all year
002Nitrogen, ammonia total [as N]30DA AVG report only all year
002Nitrogen, ammonia total [as N]30DA AVG report only all year
002Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
002Nitrite + Nitrate total [as N]MO AVG report only all year
002Phosphorus, total [as P]MAXIMUM <= 2 mg/L all year
002Phosphorus, total [as P]WKLY AVG <= 1.5 mg/L all year
002Phosphorus, total [as P]WKLY AVG <= 1.5 mg/L all year
002Phosphorus, total [as P]MAXIMUM <= 2 mg/L all year
002Phosphorus, total [as P]MO AVG <= 1.25 mg/L all year
002Phosphorus, total [as P]MO AVG <= 1.25 mg/L all year
002Phosphorus, total [as P]ANNL AVG <= 1 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantANNL AVG <= 1.47 MGD all year
002Chlorine, total residualMAXIMUM <= .01 mg/L all year
002IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM >= 100 % all year
002IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM >= 100 % all year
002IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM >= 100 % all year
002IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM >= 100 % all year
002IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM >= 100 % all year
002IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM >= 100 % all year
002IC25 Static Renewal 7 Day Chronic ChrpimephalesMINIMUM >= 100 % all year
002IC25 Static Renewal 7 Day Chronic ChrpimephalesMINIMUM >= 100 % all year
002IC25 Static Renewal 7 Day Chronic ChrpimephalesMINIMUM >= 100 % 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