The Island Water Association, Inc.

NPDES permit FL0025593 · Minor NON-POTW · effective, expires 2027-08-02 · 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 16 forms filed late

Last period with anything received: 2026-08-31.

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 (21)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MN WK AV report only all year
001Oxygen, dissolved percent saturationMN WK AV report only all year
001Oxygen, dissolved percent saturationMO AVG report only all year
001Oxygen, dissolved percent saturationQT <= 1 # exceed all year
001Oxygen, dissolved percent saturationANNL TOT <= 1 # exceed all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Nitrogen, total [as N]MAXIMUM report only all year
001Phosphorus, total [as P]MAXIMUM report only all year
001Fluoride, total [as F]MAXIMUM <= 8.6 mg/L all year
001Arsenic, total recoverableMAXIMUM <= 50 ug/L all year
001Radium 226 + radium 228, totalMAXIMUM <= 148.2 pCi/L all year
001Flow, in conduit or thru treatment plantDAILY MX <= 1.33 MGD all year
001Hydrogen sulfideMAXIMUM <= .01 mg/L all year
001Alpha, gross particle activityMAXIMUM <= 15 pCi/L all year
001LC50 Static Renewal 96Hr Acute Americamysis bahia (formerly Mysidopsis bahia)MINIMUM >= 30 % all year
001LC50 Static Renewal 96Hr Acute Americamysis bahia (formerly Mysidopsis bahia)MINIMUM >= 30 % all year
001LC50 Static Renewal 96Hr Acute Americamysis bahia (formerly Mysidopsis bahia)MINIMUM >= 30 % all year
001LC50 Static Renewal 96Hr Acute MenidiaMINIMUM >= 30 % all year
001LC50 Static Renewal 96Hr Acute MenidiaMINIMUM >= 30 % all year
001LC50 Static Renewal 96Hr Acute MenidiaMINIMUM >= 30 % 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