City of Tarpon Springs

NPDES permit FL0571580 · Minor NON-POTW · administratively continued, expires 2026-03-27 · 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 2026-03-27 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
57required values missing, on 1 form(s)
1of 11 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 (57)

OutfallParameterStatisticLimitMonths
001Color [PT-CO units]MO AVG report only all year
001Color [PT-CO units]DAILY MX report only all year
001Specific conductanceMO AVG report only all year
001Specific conductanceDAILY MX report only all year
001Oxygen, dissolved percent saturationDLYAVMIN >= 42 % all year
001Oxygen, dissolved percent saturation7 DA AVG <= 51 % all year
001Oxygen, dissolved percent saturation30DA AVG <= 56 % all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 8.5 SU all year
001SalinityMO AVG report only all year
001SalinityDAILY MX report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Potassium, total [as K]MO AVG report only all year
001Potassium, total [as K]DAILY MX report only all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Fluoride, total [as F]MO AVG report only all year
001Fluoride, total [as F]DAILY MX <= 5 mg/L all year
001Arsenic, total recoverableMO AVG report only all year
001Arsenic, total recoverableDAILY MX <= 50 ug/L all year
001Iron, total recoverableMO AVG report only all year
001Iron, total recoverableDAILY MX <= 1.72 mg/L all year
001Selenium, total recoverableMO AVG report only all year
001Selenium, total recoverableDAILY MX <= 71 ug/L all year
001Nickel, total recoverableMO AVG report only all year
001Nickel, total recoverableDAILY MX <= 10.2 ug/L all year
001Silver total recoverableMO AVG report only all year
001Silver total recoverableDAILY MX <= 2.3 ug/L all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX <= 135.6 ug/L all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX <= 9.8 ug/L all year
001Radium 226 + radium 228, totalMO AVG report only all year
001Radium 226 + radium 228, totalDAILY MX <= 41.2 pCi/L all year
001Flow, in conduit or thru treatment plantDAILY MX <= 2.79 MGD all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Phosphorous, in total orthophosphateMO AVG report only all year
001Phosphorous, in total orthophosphateDAILY MX report only all year
001Alpha, gross particle activityMO AVG report only all year
001Alpha, gross particle activityDAILY MX <= 46.4 pCi/L all year
001LC50 Static Renewal 96Hr Acute Americamysis bahia (formerly Mysidopsis bahia)MINIMUM >= 100 % all year
001LC50 Static Renewal 96Hr Acute Americamysis bahia (formerly Mysidopsis bahia)MINIMUM >= 100 % all year
001LC50 Static Renewal 96Hr Acute Americamysis bahia (formerly Mysidopsis bahia)MINIMUM >= 100 % all year
001LC50 Static Renewal 96Hr Acute MenidiaMINIMUM >= 100 % all year
001LC50 Static Renewal 96Hr Acute MenidiaMINIMUM >= 100 % all year
001LC50 Static Renewal 96Hr Acute MenidiaMINIMUM >= 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