Drinking water quality · 2024
What's in Jacksonville, FL tap water
20 contaminants were measured in the Jacksonville, FL water system's 2024 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2024
- Contaminants measured
- 20
- Over federal limit
- 1
- Approaching the limit
- 2
- Worst contaminant
- TTHM
- Service area
- FL
PFAS — EPA UCMR5 (2023–2025)
2 PFAS compounds detected in Jacksonville, FL
The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.
PFPeS
● Detected (no federal limit)PFPeA
● Detected (no federal limit)Where your water comes from · EPA SDWIS
Jacksonville, FL's drinking water comes from ground water, drawn from 185 sources.
Source
- WELL · 42
- WELL NO. · 5
- GREENLAND · 3
- WM DAVIS PARKWAY · 3
- + 113 more
Treatment
- GREENLAND WTP
- ARLINGTON BOOSTER
- US-1 BOOSTER STATION
- + 49 more
Distribution
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
- Maximum contaminant level exceededHealth-based2 violations on record · most recent Oct 2006resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 25.71–91.49 ug/LRangeMajor Grid | None set | At or above the limit |
+By source (5)— Major Grid, Ponce de Leon Grid, Lofton Oaks Grid +2 more
| |||
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 5.1–36.85 ug/LRangePonce de Leon Grid | None set | Within the limit |
+By source (5)— Ponce de Leon Grid, Major Grid, Lofton Oaks Grid +2 more
| |||
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.21–3.5 mg/LRangeMajor Grid | 4 mg/LMCLG | Approaching the limit |
+By source (5)— Major Grid, Lofton Oaks Grid, Palm Valley +2 more
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 1.04 mg/L90th percentileMayport | 1.3 mg/LMCLG | Approaching the limit |
+By source (5)— Ponce de Leon Grid, Ponte Vedra Grid, Palm Valley +2 more
| |||
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 3.19 ug/L90th percentilePonce de Leon Grid | 0 ug/LMCLG | Within the limit |
+By source (5)— Ponce de Leon Grid, Major Grid, Ponte Vedra Grid +2 more
| |||
| SeleniumA trace element from natural deposits and industrial discharge. | 0–6.16 ug/LRangeMajor Grid | None set | Within the limit |
+By source (5)— Major Grid, Ponte Vedra Grid, Lofton Oaks Grid +2 more
| |||
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 0.9 ug/LReported levelMajor Grid | 0 ug/LMCLG | Within the limit |
+By source (5)— Major Grid, Ponce de Leon Grid, Ponte Vedra Grid +2 more
| |||
| Antimony | 0.53 ug/LReported levelPonte Vedra Grid | None set | Within the limit |
+By source (5)— Ponte Vedra Grid, Major Grid, Lofton Oaks Grid +2 more
| |||
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.038 mg/LReported levelMajor Grid | 2 mg/LMCLG | Within the limit |
+By source (5)— Major Grid, Ponte Vedra Grid, Lofton Oaks Grid +2 more
| |||
| LithiumA naturally occurring element found in some groundwater. | 9.33 ug/LAverageSystem-wide | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 126.43 mg/LReported levelMajor Grid | None set | Detected — no federal limit |
+By source (5)— Major Grid, Ponte Vedra Grid, Ponce de Leon Grid +2 more
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 7.24 pCi/LReported levelPonce de Leon Grid | 0 pCi/LMCLG | Within the limit |
+By source (5)— Ponce de Leon Grid, Major Grid, Lofton Oaks Grid +2 more
| |||
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 2.41 pCi/LReported levelMajor Grid | 0 pCi/LMCLG | Within the limit |
+By source (5)— Major Grid, Ponce de Leon Grid, Lofton Oaks Grid +2 more
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 1.25 mg/LReported levelPonce de Leon Grid | 4 mg/LMCLG | Within the limit |
+By source (5)— Ponce de Leon Grid, Major Grid, Lofton Oaks Grid +2 more
| |||
| NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits. | 0–0.07 mg/LRangeMajor Grid | 1 mg/LMCLG | Within the limit |
+By source (5)— Major Grid, Lofton Oaks Grid, Ponce de Leon Grid +2 more
| |||
| Cyanide | 11 ug/LReported levelMajor Grid | None set | Within the limit |
+By source (5)— Major Grid, Lofton Oaks Grid, Ponce de Leon Grid +2 more
| |||
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.09 mg/LReported levelMajor Grid | 10 mg/LMCLG | Within the limit |
+By source (5)— Major Grid, Ponce de Leon Grid, Ponte Vedra Grid +2 more
| |||
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | 0.893 ug/LReported levelMajor Grid | None set | Within the limit |
+By source (5)— Major Grid, Palm Valley, Lofton Oaks Grid +2 more
| |||
People also ask about Jacksonville, FL's water
+Is Jacksonville, FL tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the Jacksonville, FL water utility lists 1 contaminant at or above the federal limit: TTHM. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in Jacksonville, FL tap water?
20 contaminants were measured in Jacksonville, FL's 2024 Consumer Confidence Report, spanning metals, inorganic chemicals, and disinfection byproducts. 10 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in Jacksonville, FL tap water?
One contaminant in Jacksonville, FL's 2024 report sits at or above the federal limit: TTHM (1.1× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in Jacksonville, FL tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is TTHM, at 1.1× the federal threshold. It belongs to the disinfection byproducts family of contaminants.
+Are any contaminants in Jacksonville, FL tap water approaching the federal limit?
2 contaminants are between 80% and 100% of the federal limit in this report: Chlorine and Copper. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Jacksonville, FL's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Jacksonville, FL's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2024 report; a new report will replace it once the utility publishes its next annual update.