PFAS in Florida Well Water (2026)

Q: What to Do If PFAS Is Detected in Your Well

Don't panic, but don't ignore it. PFAS health effects are linked to long-term exposure, not a single glass of water. But you should take steps to reduce exposure promptly: Step 1: Switch to bottled or filtered water for drinking and cooking immediately. A basic countertop pitcher with an activated carbon filter (like Brita or PUR) reduces some PFAS, though not as effectively as dedicated treatment systems. Step 2: Confirm your results. Request a re-test if your initial results show PFAS near or above the MCL. Labs occasionally report false positives, and confirmation testing ensures you're making treatment decisions based on accurate data. Step 3: Report to the Florida DEP. If your well is near a known contamination source (military base, industrial site), report your results to the Florida Department of Environmental Protection. Your data contributes to contamination plume mapping and may qualify your property for remediation assistance programs. Step 4: Install treatment. Based on your contamination level and budget, install appropriate treatment. For PFOA/PFOS above 4 ppt, treatment should be a priority. A point-of-use RO system ($300 to $800) is the fastest and most cost-effective first step for drinking water. Step 5: Retest after treatment installation. Verify that your treatment system is reducing PFAS to below MCL levels. Test the treated water (after the filter) 2 to 4 weeks after installation and annually thereafter. Treatment media degrades over time, and PFAS concentrations in groundwater can change.

PFAS florida well water contamination is an emerging crisis that affects thousands of private well owners across the state — many of whom don't know their water is contaminated. Per- and polyfluoroalkyl substances, called "forever chemicals" because they don't break down in the environment, have been detected in groundwater near military installations, airports, industrial sites, and firefighting training areas throughout Florida. The EPA's 2024 maximum contaminant level (MCL) of 4 parts per trillion (ppt) for PFOA and PFOS set the first enforceable federal standard, and the numbers coming back from Florida testing sites are alarming.

Florida's porous limestone geology and shallow aquifers make PFAS contamination florida wells particularly vulnerable. Once PFAS enters the groundwater, it spreads easily through the permeable Floridan and Biscayne aquifers, potentially reaching wells miles from the original contamination source. If you live near a military base, commercial airport, or industrial site in Florida, PFAS testing florida well owners should conduct isn't optional — it's the only way to know whether your family's drinking water contains these persistent chemicals.

PFAS Florida Well Water: What Homeowners Need to Know

PFAS are a family of over 12,000 synthetic chemicals used since the 1940s in everything from nonstick cookware to firefighting foam. They earned the name "forever chemicals florida water" experts use because they resist heat, water, oil, and biological degradation — the same properties that make them useful in manufacturing also mean they persist in the environment indefinitely.

The primary exposure route for most Americans is drinking water. PFAS accumulate in the body over time and have been linked to:

Increased risk of certain cancers (kidney, testicular)
Thyroid disease and hormone disruption
Liver damage and elevated cholesterol
Immune system suppression, including reduced vaccine response
Reproductive issues and developmental effects in children
Pre-eclampsia in pregnant women

The EPA's 2024 MCL of 4 ppt for PFOA and PFOS individually — and a hazard index approach for mixtures of PFHxS, PFNA, HFPO-DA (GenX), and PFBS — represents the strictest PFAS standard in the world. To put 4 parts per trillion in perspective, that's roughly equivalent to 4 drops of water in an Olympic-sized swimming pool. These chemicals are harmful at extraordinarily low concentrations.

Known PFAS Contamination Sites in Florida

The primary source of PFAS groundwater contamination in Florida is AFFF — aqueous film-forming foam — used for firefighting training and emergency response at military installations and commercial airports. AFFF has been the military's primary firefighting foam since the 1970s, and decades of use have saturated the soil and groundwater at and around these sites.

Installation	Location	PFAS Detected (max ppt)	Status
NAS Jacksonville	Duval County	PFOS: 35,000+	Active investigation, off-base well sampling underway
Patrick Space Force Base	Brevard County	PFOS: 18,000+	Active cleanup, residential well monitoring program
MacDill AFB	Hillsborough County (Tampa)	PFOS: 12,000+	Investigation ongoing, South Tampa well testing available
Homestead ARB	Miami-Dade County	PFOS: 8,500+	Preliminary assessment, Biscayne Aquifer monitoring
Tyndall AFB	Bay County (Panama City)	PFOS: 25,000+	Active cleanup, complicated by Hurricane Michael damage
Eglin AFB	Okaloosa County	PFOS: 15,000+	Investigation, large contamination plume mapped
Cecil Airport (former NAS Cecil Field)	Duval County	PFOS: 9,000+	Closed base, ongoing remediation
Naval Air Warfare Center	Orange County (Orlando)	PFOS: 6,500+	Investigation phase

These numbers represent maximum detected concentrations on-base or immediately adjacent. Off-base contamination plumes extend for miles — the NAS Jacksonville plume has been traced into residential neighborhoods in western Duval County, and the Patrick SFB plume extends south toward Satellite Beach and Indian Harbour Beach in Brevard County.

Beyond military bases, commercial airports with firefighting training areas, landfills, and industrial facilities that used PFAS-containing products also contribute to groundwater contamination. The Florida DEP has identified over 100 sites of potential PFAS contamination statewide, and investigations are ongoing.

PFAS Testing Florida: How to Test Your Well

Standard water quality tests do not include PFAS. You need to specifically request PFAS analysis from a certified laboratory using EPA-approved methods.

Testing Methods

Method	Compounds Tested	Cost	Best For
EPA Method 533	25 PFAS compounds including short-chain	$250–$400	Broad screening, includes newer PFAS
EPA Method 537.1	18 PFAS compounds including PFOA, PFOS	$200–$350	Primary drinking water compliance testing
Total oxidizable precursor (TOP) assay	Total PFAS precursors	$400–$600	Assessing full contamination burden

For initial screening, EPA Method 537.1 covers the regulated compounds (PFOA, PFOS, PFHxS, PFNA, HFPO-DA, PFBS) at a lower cost. If you want a fuller picture of PFAS contamination including shorter-chain compounds that may not yet be regulated, Method 533 is the better choice.

How to Collect a PFAS Sample

PFAS testing is sensitive to contamination from everyday products. Follow these collection guidelines:

Use only sample containers provided by the certified laboratory — PFAS can leach from non-certified bottles
Do not wear waterproof clothing, sunscreen, or insect repellent while sampling (many contain PFAS)
Do not eat or drink near the sampling point
Run the tap for 3 to 5 minutes before collecting the sample to flush the plumbing
Fill the container completely with no air space and seal immediately
Keep samples on ice and deliver to the lab within 24 hours

Many certified labs will ship a sampling kit to your home with detailed instructions. Some well water testing services in Florida also offer on-site PFAS sampling as part of their full PFAS testing packages.

Understanding Your PFAS Test Results

The EPA's 2024 National Primary Drinking Water Regulation sets these enforceable limits:

Compound	MCL (ppt)	Health Effects
PFOA	4	Cancer, liver, immune, reproductive
PFOS	4	Cancer, liver, immune, developmental
PFHxS	10 (hazard index)	Thyroid, immune, developmental
PFNA	10 (hazard index)	Developmental, immune
HFPO-DA (GenX)	10 (hazard index)	Liver, kidney, immune, developmental
PFBS	2,000 (hazard index)	Thyroid, reproductive, developmental

The hazard index for PFHxS, PFNA, HFPO-DA, and PFBS means the combined exposure from all four must stay below 1.0 (each compound's concentration divided by its MCL, summed). If PFOA or PFOS individually exceeds 4 ppt, your water fails the standard regardless of other compounds.

Important context: the MCL applies to public water systems. Private wells are not regulated under the Safe Drinking Water Act, so compliance is your responsibility as the well owner. The MCL represents the health-based standard, though — it's the level at which you should take action regardless of regulatory obligation.

Treatment Options for PFAS-Contaminated Well Water

If your results show PFAS above EPA limits, three proven treatment technologies can reduce concentrations to safe levels:

Granular Activated Carbon (GAC)

GAC filters adsorb PFAS onto carbon media as water passes through. They're effective for long-chain PFAS (PFOA, PFOS) and moderately effective for shorter-chain compounds. GAC is the most common whole-house PFAS treatment approach.

Installation cost: $1,500 to $4,000 for a whole-house system
Annual maintenance: $300 to $800 for carbon media replacement
PFAS reduction: 90-99% for PFOA/PFOS, 50-80% for short-chain PFAS
Pros: Whole-house coverage, removes other contaminants, lower upfront cost
Cons: Carbon requires periodic replacement, less effective for short-chain PFAS

Reverse Osmosis (RO)

RO systems push water through a semipermeable membrane that rejects PFAS molecules. Point-of-use RO systems installed under the kitchen sink are the most cost-effective option for treating drinking and cooking water only.

Installation cost: $300 to $800 (point-of-use); $2,000 to $6,000 (whole-house)
Annual maintenance: $100 to $300 for membrane and pre-filter replacement
PFAS reduction: 90-99% across all PFAS compounds including short-chain
Pros: Highly effective across all PFAS types, also removes other contaminants
Cons: Wastes 2-4 gallons per gallon produced, slow flow rate for whole-house

Ion Exchange Resin

Specialized anion exchange resins designed for PFAS removal offer high treatment efficiency and longer media life than GAC. They're increasingly used in areas with high PFAS concentrations where GAC media replacement becomes too frequent.

Installation cost: $2,000 to $5,000 for a whole-house system
Annual maintenance: $200 to $600 for resin replacement
PFAS reduction: 95-99% across most PFAS compounds
Pros: Long media life, effective for both long- and short-chain PFAS
Cons: Higher upfront cost, spent resin disposal is an emerging concern

For many Florida homeowners, a combination approach works best: a whole-house GAC system for bathing and household water, plus a point-of-use RO system under the kitchen sink for drinking and cooking water. This provides maximum protection at a moderate cost. Find water treatment specialists in Florida who can recommend the right system for your contamination level.

What to Do If PFAS Is Detected in Your Well

Don't panic, but don't ignore it. PFAS health effects are linked to long-term exposure, not a single glass of water. But you should take steps to reduce exposure promptly:

Step 1: Switch to bottled or filtered water for drinking and cooking immediately. A basic countertop pitcher with an activated carbon filter (like Brita or PUR) reduces some PFAS, though not as effectively as dedicated treatment systems.

Step 2: Confirm your results. Request a re-test if your initial results show PFAS near or above the MCL. Labs occasionally report false positives, and confirmation testing ensures you're making treatment decisions based on accurate data.

Step 3: Report to the Florida DEP. If your well is near a known contamination source (military base, industrial site), report your results to the Florida Department of Environmental Protection. Your data contributes to contamination plume mapping and may qualify your property for remediation assistance programs.

Step 4: Install treatment. Based on your contamination level and budget, install appropriate treatment. For PFOA/PFOS above 4 ppt, treatment should be a priority. A point-of-use RO system ($300 to $800) is the fastest and most cost-effective first step for drinking water.

Step 5: Retest after treatment installation. Verify that your treatment system is reducing PFAS to below MCL levels. Test the treated water (after the filter) 2 to 4 weeks after installation and annually thereafter. Treatment media degrades over time, and PFAS concentrations in groundwater can change.

PFAS Florida Well Water: State Resources and Programs

The Florida DEP has established a PFAS initiative that includes investigation of contamination sites, sampling of public water systems, and coordination with the Department of Defense on military base cleanups. Key resources:

Florida DEP PFAS webpage — contamination site maps, investigation updates, and sampling results
DoD PFAS Task Force — status of military base investigations and cleanup timelines
County DOH offices — can direct you to certified testing laboratories in your area
Water Management Districts — groundwater monitoring data near known PFAS sources

For military base-related contamination, the DoD has offered free well water testing to some residents within contamination plume boundaries. Contact the installation's environmental office to determine whether your property qualifies for testing at government expense.

Frequently Asked Questions

How far from a military base can PFAS contaminate wells?

PFAS contamination plumes have been documented extending 3 to 5 miles or more from source areas, depending on aquifer characteristics and groundwater flow direction. Florida's permeable limestone aquifers allow PFAS to travel farther and faster than in clay-based soils found in other states. If you're within 5 miles of a military base, airport, or known PFAS source, testing is strongly recommended.

Does boiling water remove PFAS?

No. Boiling actually concentrates PFAS by evaporating water while the chemicals remain. Standard water treatment methods like chlorination, UV disinfection, and boiling are ineffective against PFAS. Only activated carbon, reverse osmosis, and specialized ion exchange resins reduce PFAS concentrations effectively.

Are there PFAS in my water if I'm on public water in Florida?

Possibly. The EPA's 2024 MCL requires all public water systems to test for and treat PFAS. Florida public utilities have begun testing and publishing results. However, the compliance deadline for treatment extends to 2029, so some systems may still exceed the MCL. Private well owners are responsible for their own testing and treatment regardless of proximity to public water systems.

How much does PFAS treatment cost for a home well?

A point-of-use reverse osmosis system for drinking water runs $300 to $800 installed. A whole-house GAC system costs $1,500 to $4,000 with $300 to $800 annually for media replacement. A whole-house ion exchange system runs $2,000 to $5,000. Most Florida homeowners opt for a combination of whole-house GAC plus point-of-use RO, totaling $2,000 to $5,000 upfront with $400 to $1,000 in annual maintenance.

Can I sue for PFAS contamination of my well?

Legal action against PFAS polluters — particularly the military and chemical manufacturers — is an active and evolving area of law. Class action lawsuits and individual claims have resulted in billions of dollars in settlements nationally. Consult a Florida environmental attorney if your well shows PFAS above MCL levels and is near a known contamination source.

Find PFAS Florida Well Water Testing and Treatment Services

Knowing your PFAS exposure level is the essential first step. Standard well water tests don't include PFAS, so you need to specifically request this analysis from a certified lab or qualified testing provider.

Browse PFAS water testing services in Florida to find certified laboratories and testing providers. For treatment after detection, water treatment specialists in Florida can design and install the right filtration system for your contamination level. For a broader look at Florida well water quality challenges, see our Florida well water testing guide and saltwater intrusion guide.