Passage Data · Check a report · Use it from your AI

Charlotte Harbor Water Treatment Plant

Water Supply, Punta Gorda, Florida. NPDES permit FL0035378, in force until Aug 27, 2029. Last 12 months: over a limit 8 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 90 days after each period: form 1 monthly (21 values), form Q quarterly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
12 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 2025Flow, in conduit or thru treatment plant, daily maximum.203 MGD≤ .15 MGD35%
April 2026Oxygen, dissolved percent saturation, minimum weekly average0≥ 51 %100%
April 2026Oxygen, dissolved percent saturation, minimum weekly average0≥ 51 %100%
April 2026Oxygen, dissolved percent saturation, monthly average minimum0≥ 56 %100%
April 2026Oxygen, dissolved percent saturation, monthly average minimum0≥ 56 %100%
April 2026pH, minimum0≥ 6.5 SU—
August 2026Flow, in conduit or thru treatment plant, daily maximum.205≤ .15 MGD37%
September 2026Alpha, gross particle activity, maximum190≤ 180.9 pCi/L5%

Limits in force (23)

ParameterStatisticLimitMonths
Oxygen, dissolved percent saturationmonthly average minimum≥ 56 %all year
Oxygen, dissolved percent saturationminimum weekly average≥ 51 %all year
Oxygen, dissolved percent saturationmonthly average minimum≥ 56 %all year
Oxygen, dissolved percent saturationminimum weekly average≥ 51 %all year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Nitrogen, total [as N]monthly total≤ 72.7 lb/moall year
Nitrogen, total [as N]maximumreport only (mg/L)all year
Phosphorus, total [as P]maximumreport only (mg/L)all year
Phosphorus, total [as P]annual average≤ .5 mg/Lall year
Chloride [as Cl]maximumreport only (mg/L)all year
Fluoride, total [as F]maximum≤ 6.3 mg/Lall year
Copper, total recoverablemaximum≤ 3.7 ug/Lall year
Radium 226 + radium 228, totalmaximum≤ 100.4 pCi/Lall year
Flow, in conduit or thru treatment plantdaily maximum≤ .15 MGDall year
Bromide [as Br]maximumreport only (mg/L)all year
Alpha, gross particle activitymaximum≤ 180.9 pCi/Lall year
IC25 Lethal Static Renewal 7 Day Chronic Menidia beryllinaminimum≥ 50 %all year
IC25 Lethal Static Renewal 7 Day Chronic Menidia beryllinaminimum≥ 50 %all year
IC25 Lethal Static Renewal 7 Day Chronic Menidia beryllinaminimum≥ 50 %all year
IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)minimum≥ 50 %all year
IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)minimum≥ 50 %all year
IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)minimum≥ 50 %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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/FL0035378 · MCP: https://passage-data.com/mcp