Water Quality Report · Updated May 12, 2026

PORT ST LUCIE UTILITIES

Serving 224,485 residents in PORT ST LUCIE, Florida .

National rank 95th percentile
Florida rank 91th percentile
Data confidence Medium
Quick answer

PORT ST LUCIE UTILITIES delivers tap water graded B (79/100) by TapWaterSafety.org. The utility serves approximately 224,485 residents in PORT ST LUCIE, Florida using groundwater. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. For questions, the utility can be reached at 772-873-6400.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
224,485
People served
1
City served
10
Contaminants detected
5
Above health guidelines
0
EPA violations (5 yr)

Is PORT ST LUCIE tap water safe to drink?

PORT ST LUCIE UTILITIES delivers tap water that earns a grade of B (79/100) from TapWaterSafety.org — a good rating, with only minor concerns relative to health-based guidelines.

The utility serves 224,485 residents in PORT ST LUCIE, drawing from groundwater.

Public testing data identifies 5 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Haloacetic acids (HAA5), Total trihalomethanes (TTHMs), Radium, combined (-226 and -228), Chromium (hexavalent). 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.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for PORT ST LUCIE UTILITIES.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 22.5 ppb, 376x above the EWG health guideline of 0.06 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 16.1 ppb, 161x above the EWG health guideline of 0.1 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 23.8 ppb, 159x above the EWG health guideline of 0.15 ppb.

Contact PORT ST LUCIE UTILITIES

Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.

General Contact

Address1001 SE PRINEVILLE ST., PORT ST LUCIE, FL 34983
Main phone772-873-6400

Recommended water filters for PORT ST LUCIE

Filters matched to the specific contaminants in this water supply.

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 79/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
21 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
20 / 20
Compliance History
10 / 10
Source Water Vulnerability
8 / 10

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
22.5 ppb 0.06 376× over
Haloacetic acids (HAA5)
Disinfection byproduct
16.1 ppb 0.1 60.0 60 161× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
23.8 ppb 0.15 80.0 100 159× over
Radium, combined (-226 and -228)
Radiological
0.61 pCi/L 0.05 5.0 12× over
Chromium (hexavalent)
Heavy metal
0.044 ppb 0.02 2.2× over
Nitrate
Inorganic
0.104 ppm 0.14 10.0 11.3 11.3 10 Below guideline
Barium
Heavy metal
2.95 ppb 700.0 2000.0 1300 2000 Below guideline
Vanadium
Other
0.0275 ppb 21.0 Below guideline
Strontium
Radiological
1.35 ppb 1500.0 Below guideline
Fluoride
Inorganic
0.71 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 (4th ed.), California OEHHA PHGs, EWG Tap Water Database.

PORT ST LUCIE UTILITIES service area

This water system serves 1 community in St. Lucie County, Florida. Click any city for its dedicated tap water quality page.

About this water system

Public Water System ID
FL4560954
Owner type
Local government
Source water
Groundwater
Service connections
89,794
Service area
PORT ST LUCIE, St. Lucie County, Florida