Drinking water quality · 2024
· Verified
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)
3 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.
Lithium
● Detected (no federal limit)below national p90 (76.59999999999991 mg/L across detecting U.S. systems)
PFPeS
● Detected (no federal limit)below national p90 (0.0285 µg/L across detecting U.S. systems)
PFPeA
● Detected (no federal limit)below national p90 (15.95999999999999 ng/L across detecting U.S. systems)
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
Historical readings · EPA Six-Year Review (2012–2019)
3 contaminants historically over EPA limits in Jacksonville, FL
Every U.S. public water system reports compliance-monitoring data to EPA. The Six-Year Review releases the 2012–2019 window as a single dataset — here's what your system reported, year by year. Values shown are the highest detection per analyte per year, compared to the federal MCL.
| Contaminant | Worst detection | EPA limit | Years (2012–2019) |
|---|---|---|---|
DEHP worst: 2015 | 0.0137 mg/L 2.3× | 0.006 mg/L | '13'14'15'16'17'18 |
TTHM worst: 2013 | 0.124 mg/L 1.5× | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
THALLIUM worst: 2014 | 0.0023 mg/L 1.1× | 0.002 mg/L | '14'17 |
HAA5 worst: 2015 | 0.0483 mg/L 81% | 0.06 mg/L | '12'13'14'15'16'17'18'19 |
GROSS ALPHA worst: 2017 | 7.07 pCi/L within | 15 pCi/L | '17 |
ANTIMONY worst: 2014 | 0.0023 mg/L within near national p90 | 0.006 mg/L | '14'17 |
NITRITE worst: 2014 | 0.36 mg/L within | 1 mg/L | '14'17 |
ARSENIC worst: 2014 | 0.0028 mg/L within below national p90 | 0.01 mg/L | '14 |
DICHLOROMETHANE worst: 2017 | 0.00115 mg/L within | 0.005 mg/L | '17'18 |
FLUORIDE worst: 2014 | 0.82 mg/L within | 4 mg/L | '14'17 |
SELENIUM worst: 2017 | 0.0078 mg/L within | 0.05 mg/L | '14'17 |
NITRATE worst: 2017 | 0.371 mg/L within | 10 mg/L | '14'15'16'17'18'19 |
LINDANE worst: 2019 | 0.000006 mg/L within below national p90 | 0.0002 mg/L | '19 |
BARIUM worst: 2017 | 0.0341 mg/L within below national p90 | 2 mg/L | '14'17 |
SIMAZINE worst: 2019 | 0.000049 mg/L within | 0.004 mg/L | '19 |
CHROMIUM worst: 2017 | 0.0007 mg/L within below national p90 | 0.1 mg/L | '17 |
DEHA worst: 2014 | 0.001 mg/L within | 0.4 mg/L | '14'15 |
METHOXYCHLOR worst: 2018 | 0.00009 mg/L within | 0.04 mg/L | '18 |
HEXACHLOROCYCLOPENTADIENE worst: 2018 | 0.000032 mg/L within | 0.05 mg/L | '18'19 |
TOLUENE worst: 2014 | 0.00012 mg/L within | 1 mg/L | '14 |
URANIUM worst: 2017 | 0.000289 ug/L within below national p90 | 30 ug/L | '17 |
DALAPON worst: 2018 | 0.0011 ug/L within below national p90 | 200 ug/L | '18 |
COPPER worst: 2014 | 0.0075 mg/L below national p90 | — | '14'17 |
LEAD worst: 2014 | 0.0023 mg/L | — | '14'17 |
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 |
|---|---|---|---|
| SodiumA naturally occurring salt component. | 8.18–126.43 mg/LRangeMajor Grid | 160 mg/LMCL | Within the limit |
+By source (5)— Major Grid, Ponte Vedra Grid, Ponce de Leon Grid +2 more
| |||
| Chromium, TotalTotal chromium — the sum of all chromium forms, from natural deposits and industrial discharge. | 0–0.893 ug/LRangeMajor Grid | 100 ug/LMCLG | Within the limit |
+By source (5)— Major Grid, Ponce de Leon Grid, Palm Valley +2 more
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Cyanide | 0–11 ug/LRangeMajor Grid | 200 ug/LMCLG | Within the limit |
+By source (5)— Major Grid, Lofton Oaks Grid, Ponte Vedra Grid +2 more
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0–2.41 pCi/LRangeMajor Grid | 0 pCi/LMCLG | Detected — no federal limit |
+By source (5)— Major Grid, Ponce de Leon Grid, 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. 17 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.