Tap Water Results

Is Port St. Lucie, FL tap water safe?

Supplied by Port St Lucie Utilities · serves 224,485 people (89,794 connections) · Groundwater · EPA ID FL4560954

Data: U.S. EPA · How we read the data · How we check it

Most of Port St. Lucie gets its water from Port St Lucie Utilities. Parts of the city are served by a smaller system: St. Lucie West Services District (21,400 people). Your water bill names your system.

Summary

No federal limits exceeded in EPA data.

PFAS
Not detectedNone of 29 PFAS found above EPA's reporting limits in 4 samples (2023–2025).
Lead
Below action level4.6 ppb (parts per billion) at the 90th percentile: 9 in 10 homes sampled were at or below it. Action level 15 ppb, falling to 10 ppb in Nov 2027. Monitoring period ending Dec 2023. Your home's pipes can make yours higher.
Violations
None health-basedNo health-based violations since 2016.
What you can do

PFAS (“forever chemicals”)

EPA UCMR 5: 2 entry points tested Mar 2025 to Sep 2025. "Average" is the highest entry-point average (non-detects counted as zero), the way EPA compares UCMR 5 results to the limits. ppt = parts per trillion. These results do not determine compliance.

ContaminantHighest averageHighest resultLimitStatus
PFOA
Not detected
Limit 4 ppt
––4 pptNot detected
PFOS
Not detected
Limit 4 ppt
––4 pptNot detected
PFHxS
Not detected
Limit 10 ppt
––10 pptNot detected
PFNA
Not detected
Limit 10 ppt
––10 pptNot detected
HFPO-DA (GenX)
Not detected
Limit 10 ppt
––10 pptNot detected
Hazard Index (a combined score for PFHxS, PFNA, GenX and PFBS, where above 1 is over the limit)
Not detected
Limit 1
––1Not detected
PFBS
Not detected
Guideline 2,000 ppt
––2,000 ppt guidelineNot detected
PFBA
Not detected
Guideline 6,000 ppt
––6,000 ppt guidelineNot detected
PFHxA
Not detected
Guideline 3,000 ppt
––3,000 ppt guidelineNot detected

29 PFAS tested, 0 detected at least once. "Not detected" means below EPA's reporting limit (about 2 to 20 ppt depending on the chemical), not proven zero. PFAS not listed were not detected. The limits for PFHxS, PFNA, GenX and the Hazard Index were proposed for rescission in May 2026. That proposal is not final. Systems have until 2029 to meet the limits.

Lithium

Not detected in 4 samples (reporting limit 9 ppb). About lithium.

Lead and copper

Latest 90th percentile: 4.6 ppb lead (Jan 2023 – Dec 2023). Below action level

Highest since 2016: 4.7 ppb (Dec 2016).

Monitoring periodLead (90th pct.)
Jan 2023 – Dec 20234.6 ppb
Jan 2020 – Dec 20201.9 ppb
Jan 2017 – Dec 20173.7 ppb
Earlier results (9)
Jan 2016 – Dec 20164.7 ppb
Jan 2015 – Dec 20151.9 ppb
Jan 2014 – Dec 20143.1 ppb
Jan 2013 – Dec 20133 ppb
Jan 2012 – Dec 20121.9 ppb
Jan 2011 – Jun 20113.1 ppb
Jul 2010 – Dec 20104.1 ppb
Jan 2010 – Jun 20104.5 ppb
Jan 2009 – Dec 20092.8 ppb

Lead service lines: Port St Lucie Utilities's inventory lists 0 lead, 0 galvanized lines that need replacing. As published by the utility.

Source (the utility, collected by us on Nov 14, 2026, not EPA data) · Checking your own line

Lead comes from pipes and fixtures, not the source water, so it varies home to home. The 90th percentile means 9 in 10 sampled homes were at or below it. More on lead.

Violations

0
Health-based since 2016
38
Monitoring/reporting since 2016
0
Health-based unresolved now (plus 1 paperwork)
53
Total ever recorded, incl. paperwork

1 unresolved monitoring or reporting violation: Consumer Confidence Rule.

Health-based violations mean a contaminant exceeded a limit or a required treatment step was missed. Monitoring and reporting violations mean required tests or reports were late or missing, so the water's quality during that time is unknown. The total includes every violation in EPA's records, most of them paperwork.

Earlier EPA testing (2013–2020)

ContaminantHighestGuidelineDetectedTested
Chromium-60.1 ppb–6 of 8UCMR 3 (2015)
Strontium1.66 ppm1.5 ppm8 of 8UCMR 3 (2015)
Vanadium0.22 ppb21 ppb1 of 8UCMR 3 (2015)

Where it serves

Port St. Lucie

ZIP codes the system reported serving: 34945, 34952, 34953, 34956, 34957, 34981, 34982, 34983, 34984, 34985, 34986, 34987, 34988

Nearby utilities

Questions

Is Port St. Lucie tap water safe to drink?

Most of Port St. Lucie gets its water from Port St Lucie Utilities. Port St Lucie Utilities has no health-based violations since 2016. EPA testing found no PFAS above the federal limits. Federal data can't tell you about your own pipes: lead comes from service lines and plumbing, so test your tap if your home was built before 1986. For the official word, read the utility's annual Consumer Confidence Report.

Does Port St. Lucie water have PFAS?

EPA tested Port St Lucie Utilities for 29 PFAS between Mar 2025 and Sep 2025 and none were detected above the reporting limits (about 2 to 20 ppt depending on the chemical).

What is the lead level in Port St. Lucie water?

The most recent 90th-percentile lead result for Port St Lucie Utilities is 4.6 ppb, for the period ending Dec 2023. The federal action level is 15 ppb, falling to 10 ppb in November 2027. The 90th percentile means 9 in 10 homes sampled were at or below this number. Individual homes can be higher.

Check these numbers yourself

Every figure on this page comes from public EPA records. You don't have to take our word for it:

Found something that doesn't match? Tell us and we'll check it against EPA's records. How we check our data.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.