Well Water in St. Lucie County: What to Test and Why

High Risk
Testing Strongly Recommended 591 well tests on record
Top Concerns in This County
Radon Pfos Iron

Why This Happens Here

No contaminants have been detected in St. Lucie County's groundwater above concerning levels. Well owners in this county have clean water with respect to health-based standards.

The surficial aquifer system here sits in sandy soil and rock that naturally filters water well as it moves underground. The area's land use and geology work together to keep harmful chemicals from building up in the water that wells draw from.

Data on the mineral content of St. Lucie County groundwater is limited, so the exact hardness and iron levels are unknown. The surficial aquifer system typically produces water with moderate mineral content depending on where individual wells draw their water. Well characteristics can vary across the county based on local soil and rock conditions.

What This Means for You

St. Lucie County well water data shows no contaminants exceeding EPA health standards and no detected contaminants of concern in the county's tested wells. This is encouraging news for your water quality in this area.

Since no major mineral concerns have been identified in county well data, you may not experience the common problems like hard water staining, scale buildup in pipes, or appliance damage that affect other Florida regions. Your water quality appears to avoid these typical aesthetic issues.

We recommend testing your specific well to understand what is actually in your water, since every well is different and yours may have contaminants at higher or lower levels than what is common in the county. Testing is the only way to know for certain what you're drinking. A basic screen costs between fifty and one hundred dollars and checks for bacteria and nitrate. If you discover any contaminants, treatment options like filtration or water softeners can address them.

Not sure if your well is affected? Get certified results in 5–7 days.

Test Your Well Water with Tap Score →

Contaminant Detection Data

Contaminant Samples % Above MCL Distribution Confidence Risk
Radon 14 79%
Low High
PFOS ⓘ municipal 14 43%
Low High
Iron 66 42%
Moderate High
Chloride 578 25%
High High
PFOA ⓘ municipal 14 21%
Low High
Sulfate 251 5%
High Moderate
Elevated concentration, not % above limit
Manganese 44 5%
Moderate Moderate
Elevated concentration, not % above limit
Lead 44 0%
Moderate Low
Nitrate 180 0%
High Low
Arsenic 44 0%
Moderate Low
PFNA ⓘ municipal 14 0%
Low Safe
PFHxS ⓘ municipal 14 0%
Low Low
Fluoride 116 0%
High Low
HFPO-DA (GenX) ⓘ municipal 14 0%
Low Safe
Nitrite 175 0%
High Low
Uranium 14 0%
Low Low
E. coli 16* 0%
Moderate Low
Fecal Coliform 18* 0%
Moderate Low
PFBS ⓘ municipal 14
Low Low
Hardness 220
High Low
Total Coliform 34* 0%
Moderate Low
pH 243
High Low
Sodium 250
High Low

MCL = Maximum Contaminant Level (EPA limit for public water; used as benchmark for private wells). Distribution shows % of sampled wells in each concentration band. Methodology.
* Microbial contaminants (E. coli, coliform) reflect only samples from the last 10 years.

Data shows potential risk — a certified test confirms whether your water is affected.

Order a Tap Score Test →

Population Health Context

Population-level CDC data. Not individual risk prediction.

5.8%
Cancer Prevalence
(state avg: 6.8%)

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