Water Quality Report · Updated October 07, 2026
JEA MAJOR GRID
JEA MAJOR GRID delivers tap water graded B (82/100) by TapWaterSafety.org. The utility serves approximately 826,664 residents in JACKSONVILLE, Florida using groundwater. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Arsenic detected. For questions, the utility can be reached at 904-665-4540.
Is JACKSONVILLE tap water safe to drink?
JEA MAJOR GRID delivers tap water that earns a grade of B (82/100) from TapWaterSafety.org — a good rating, with only minor concerns relative to health-based guidelines.
The utility serves 826,664 residents in JACKSONVILLE, drawing from groundwater.
Public testing data identifies 7 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Bromate, Arsenic, Radium, combined (-226 and -228), Chlorate. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
EPA compliance record
Official U.S. EPA records for JEA MAJOR GRID (system ID FL2161328) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Ground Water Rule | Missed testing or reporting | 11/01/2024 | Open |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Quick actions for JACKSONVILLE residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for JEA MAJOR GRID.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 22.4 ppb, 374x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 52.2 ppb, 348x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 16.2 ppb, 162x above the EWG health guideline of 0.1 ppb.
Arsenic detected
Moderate concernArsenic detected at 0.03 ppb.
Contact JEA MAJOR GRID
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for JACKSONVILLE
Filters matched to the specific contaminants in this water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
Score breakdown
This utility's overall score of 82/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
22.4 ppb | 0.06 | — | — | — | — | — | 374× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
52.2 ppb | 0.15 | 80.0 | 100 | — | — | — | 348× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
16.2 ppb | 0.1 | 60.0 | 60 | — | — | — | 162× over |
| Bromate Disinfection byproduct |
1.0 ppb | 0.1 | 10.0 | 10 | 10 | 0.1 | — | 10× over |
| Arsenic Heavy metal |
0.03 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 7.5× over |
| Radium, combined (-226 and -228) Radiological |
0.28 pCi/L | 0.05 | 5.0 | — | — | — | — | 5.6× over |
| Chlorate Disinfection byproduct |
332.6 ppb | 210.0 | — | — | — | — | — | 1.6× over |
| Perfluoropentane sulfonic acid (PFPeS) PFAS |
0.635 ppt | 1.0 | — | — | — | — | — | Below guideline |
| Nitrate Inorganic |
0.0228 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Dichloromethane (methylene chloride) Volatile organic compound |
0.345 ppb | 4.0 | 5.0 | — | — | — | — | Below guideline |
| Chromium (hexavalent) Heavy metal |
0.00142 ppb | 0.02 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
22.1 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Uranium Radiological |
0.01 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | Below guideline |
| Selenium Heavy metal |
0.48 ppb | 30.0 | 50.0 | 20 | 40 | 30 | — | Below guideline |
| Manganese Heavy metal |
0.784 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Vanadium Other |
0.0444 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
2.83 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
0.0356 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Perfluoropentanoic Acid (PFPeA) PFAS |
0.848 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| 1-Butanol Other |
0.0367 ppb | — | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
0.03 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Cyanide Inorganic |
0.367 ppb | — | 200.0 | 50 | 70 | 150 | — | Below guideline |
| Fluoride Inorganic |
0.791 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
2.43 ppb | — | — | — | — | — | — | Below guideline |
| Nitrite Inorganic |
0.00275 ppm | — | 1.0 | — | — | — | — | Below guideline |
| Quinoline Other |
0.000533 ppb | — | — | — | — | — | — | Below guideline |
| Testosterone Other |
0.003 ppt | — | — | — | — | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
JEA MAJOR GRID service area
This water system serves 1 community in Duval County, Florida. Click any city for its dedicated tap water quality page.
Find the right filter for JACKSONVILLE water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.