Tap Water Quality Report
Tap water quality in DEERFIELD BEACH, Florida
Tap water in DEERFIELD BEACH, Florida receives a grade of D (60/100) from TapWaterSafety.org. It's served by DEERFIELD BEACH, CITY OF. The most significant water quality concerns are: PFAS contamination; Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Arsenic detected. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in DEERFIELD BEACH's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving DEERFIELD BEACH.
PFAS contamination
Severe concernPerfluorooctane sulfonate (PFOS), Perfluorooctanoic acid (PFOA) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 48.7 ppb, 811x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 20.6 ppb, 206x above the EWG health guideline of 0.1 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 17.2 ppb, 115x above the EWG health guideline of 0.15 ppb.
Arsenic detected
Moderate concernArsenic detected at 0.3 ppb.
EPA compliance record
Official U.S. EPA records for DEERFIELD BEACH, CITY OF (system ID FL4060254) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Ground Water Rule | Missed testing or reporting | 12/01/2012 | Open |
| Revised Total Coliform Rule | Missed testing | 01/01/2024 | Open |
| Nitrate Rule | Missed testing or reporting | 01/01/2024 | Open |
| Consumer Confidence Rule | Other (e.g. public notice) | 07/01/2025 | Open |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Recommended filters for DEERFIELD BEACH
Filters matched to the specific contaminants in DEERFIELD BEACH's water supply.
Filter certified for PFOA/PFOS (NSF/ANSI 53 or 58)
$180-$750Reverse osmosis and some carbon block filters reduce PFAS. Look for certification to NSF/ANSI 53 or 58 for PFOA/PFOS.
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.
All contaminants detected in DEERFIELD BEACH's tap water
Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. 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 |
|---|---|---|---|---|---|---|---|---|
| Perfluorooctane sulfonate (PFOS) PFAS |
8.95 ppt | 0.3 | 4.0 | 100 | 100 | 1 | — | EPA violation |
| Haloacetic acids (HAA9) Disinfection byproduct |
48.7 ppb | 0.06 | — | — | — | — | — | 811× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
20.6 ppb | 0.1 | 60.0 | 60 | — | — | — | 206× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
17.2 ppb | 0.15 | 80.0 | 100 | — | — | — | 115× over |
| Arsenic Heavy metal |
0.3 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 75× over |
| Perfluorooctanoic acid (PFOA) PFAS |
2.2 ppt | 0.09 | 4.0 | 100 | 100 | 0.007 | — | 24× over |
| Radium, combined (-226 and -228) Radiological |
0.9 pCi/L | 0.05 | 5.0 | — | — | — | — | 18× over |
| Chromium (hexavalent) Heavy metal |
0.18 ppb | 0.02 | — | — | — | — | — | 9.0× over |
| Nitrate Inorganic |
0.127 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Aluminum Heavy metal |
30.7 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Vanadium Other |
0.5 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
5.4 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese Heavy metal |
0.664 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Perfluoropentanoic Acid (PFPeA) PFAS |
1.65 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.255 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.617 ppm | — | 4.0 | 1.5 | 1.5 | — | — | 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, California OEHHA PHGs, EWG Tap Water Database.
Treatment plant contact info
For service issues, water quality concerns, or to request a Consumer Confidence Report from DEERFIELD BEACH, CITY OF.