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Tampa Bay Water

Water Supply, major discharger, Gibsonton, Florida. NPDES permit FL0186813, in force until Aug 15, 2028. Last 12 months: over a limit 5 times (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 90 days after each period: form 1 monthly (26 values), form Q quarterly (8 values)
Renewal application due
Feb 17, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 16 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
October 2025Dilution factor, minimum21.15 Ratio≥ 28 Ratio24%
November 2025Dilution factor, minimum21.8 Ratio≥ 28 Ratio22%
December 2025Dilution factor, minimum25.13≥ 28 Ratio10%
January 2026Dilution factor, minimum25.8≥ 28 Ratio8%
February 2026Dilution factor, minimum21.64≥ 28 Ratio23%

Limits in force (34)

ParameterStatisticLimitMonths
Specific conductancedaily maximumreport only (umho/cm)all year
Oxygen, dissolved [DO]minimumreport only (mg/L)all year
Oxygen, dissolved [DO]daily average minimum≥ 0 mg/Lall year
Oxygen, dissolved [DO]daily minimum≥ 0 mg/Lall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 8.5 SUall year
Salinitydaily maximum≤ 35.8 ppkall year
Chloride [as Cl]daily maximum≤ 0 mg/Lall year
Iron, total recoverabledaily maximum≤ 0 mg/Lall year
Copper, total recoverabledaily maximum≤ 0 ug/Lall year
Radium 226 + radium 228, totaldaily maximum≤ 5 pCi/Lall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximum≤ 22.8 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Mercury, total recoverabledaily maximum≤ 0 mg/Lall year
Alpha, gross particle activitydaily maximum≤ 15 pCi/Lall year
Dilution factorminimum≥ 28 Ratioall year
Dilution factorminimum≥ 20 Ratioall year
Duration of dischargemonthly totalreport only (hr/d)all year
Duration of dischargeannual total≤ 6624 hr/dall year
IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)minimum≥ 100 %all year
IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)minimum≥ 100 %all year
IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)minimum≥ 100 %all year
IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)minimum≥ 100 %all year
IC25 Static Renewal 7 Day Chronic Menidia menidiaminimum≥ 100 %all year
IC25 Static Renewal 7 Day Chronic Menidia menidiaminimum≥ 100 %all year
IC25 Static Renewal 7 Day Chronic Menidia menidiaminimum≥ 100 %all year
IC25 Static Renewal 7 Day Chronic Menidia menidiaminimum≥ 100 %all year

How strict are these limits?

Cited limits by parameter: Florida's rules and the federal ones.

Same industry: the 26 Water Supply permits in Florida.

Check this month's numbers Email me before each report is due

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Your permit document is the final word. As JSON: /api/v1/permits/FL0186813 · MCP: https://passage-data.com/mcp