Last updated: March 2026
The Short Answer
No — Brita filters do not remove PFAS.
None of Brita's current filter products — the Standard pitcher filter, Longlast+ (Elite) pitcher filter, Stream pitcher filter, or faucet-mount filter — are certified to remove PFAS (per- and polyfluoroalkyl substances). Brita has never claimed their filters remove PFAS, and independent testing confirms they don't.
This is a significant gap. PFAS (forever chemicals) have been detected in tap water serving hundreds of millions of Americans, and they're linked to serious health effects including cancer, immune disruption, and hormonal interference. A standard Brita pitcher provides no protection against them.
The critical gap: Brita is NSF 42 certified (aesthetic improvements — taste, odor, chlorine) and the Longlast+ is NSF 53 certified for lead, benzene, and asbestos. But no Brita filter holds NSF 53 or NSF 58 certification for PFAS removal. If PFAS is a concern, you need a reverse osmosis system or a specifically PFAS-certified activated carbon filter.
Brita's NSF Certifications — What They Cover
Understanding what Brita's certifications mean is key to understanding why PFAS aren't covered:
| Brita Filter Model | NSF 42 | NSF 53 | NSF 58 | Removes PFAS? |
|---|---|---|---|---|
| Standard (white) | ✓ (chlorine, taste) | ✗ | ✗ | No |
| Longlast+ / Elite (blue) | ✓ | ✓ (lead, benzene) | ✗ | No |
| Stream | ✓ | ✗ | ✗ | No |
| Faucet Filter | ✓ | ✓ (limited) | ✗ | No |
What the NSF Standards Mean
- NSF/ANSI 42: Aesthetic improvements — chlorine taste and odor, sediment, zinc. Does not address health contaminants.
- NSF/ANSI 53: Health effects — certification for specific contaminants like lead, arsenic, VOCs. PFAS are not required testing under standard NSF 53.
- NSF/ANSI 58: Reverse osmosis systems — specifically tests RO membranes for a wide range of contaminants including dissolved solids and PFAS compounds.
- NSF/ANSI P473: The specific standard for PFAS reduction (PFOS and PFOA). Only filters that pass this certification can claim to reduce PFAS.
Brita holds no certifications under NSF P473 or NSF 58 for PFAS removal. The gap is fundamental: the activated carbon media Brita uses in its standard and Longlast+ filters has insufficient capacity and contact time to bind the long-chain fluorinated molecules that make up PFAS compounds.
What Are PFAS and Why Do They Matter?
PFAS stands for per- and polyfluoroalkyl substances — a class of more than 12,000 human-made chemicals that have been manufactured since the 1940s. They were used in non-stick cookware (Teflon), water-repellent clothing, food packaging, firefighting foam (AFFF), and hundreds of industrial processes.
Why "Forever Chemicals"?
PFAS are called forever chemicals for a simple reason: the carbon-fluorine bond is one of the strongest in organic chemistry. PFAS don't break down in the environment, in water, or in living organisms. They accumulate in soil, groundwater, surface water, and in human blood and tissue — persisting essentially indefinitely.
Health Effects of PFAS Exposure
The scientific evidence on PFAS health effects has grown substantially in the past decade. Current research links chronic PFAS exposure (the kind that happens when you drink contaminated tap water for years) to:
- Cancer: Kidney cancer, testicular cancer, bladder cancer, and breast cancer have been associated with elevated PFAS exposure in epidemiological studies. PFOA and PFOS are classified as possible or probable human carcinogens by IARC.
- Immune suppression: Multiple studies show PFAS exposure reduces the effectiveness of vaccines and impairs normal immune function. A 2021 study found elevated PFAS levels correlated with reduced COVID-19 vaccine antibody response.
- Thyroid disruption: PFAS interfere with thyroid hormone binding, affecting metabolism, cognitive function, and reproductive health.
- Reproductive and developmental issues: PFAS exposure has been linked to reduced fertility, pregnancy complications, low birth weight, and altered hormone development in children.
- Elevated cholesterol: One of the most consistent PFAS health findings — elevated PFAS blood levels are associated with increased total cholesterol and LDL cholesterol.
- Liver damage: Animal and human studies show PFAS exposure can cause liver inflammation and changes in liver enzyme levels.
💡 The dose question: Health effects depend on the specific PFAS compound, concentration, and duration of exposure. Low-level exposure may not cause acute illness, but chronic long-term exposure — the kind that occurs when drinking contaminated tap water for years — is what the research shows carries real risk. Filtering PFAS from your drinking water eliminates an ongoing daily exposure route.
How Common Is PFAS in U.S. Tap Water?
More common than most people realize. Key data points:
- A 2023 U.S. Geological Survey study found detectable PFAS in at least 45% of U.S. tap water samples — with some researchers estimating up to 86% when more sensitive detection methods are used.
- The Environmental Working Group estimates that more than 200 million Americans may be drinking water contaminated with PFAS above the level that health scientists consider safe.
- PFAS contamination is particularly concentrated near military bases (from AFFF firefighting foam), industrial facilities, and areas with historical manufacturing of fluorinated products.
- States with the highest PFAS contamination in public water include Michigan, Pennsylvania, Ohio, New York, New Jersey, and North Carolina — but contamination is found in all 50 states.
You can check whether PFAS have been detected in your specific water utility using the EWG Tap Water Database or the EPA's PFAS Unregulated Contaminant Monitoring data.
EPA's New PFAS Rules (2024)
For decades, PFAS had no federal drinking water limits. That changed in April 2024 when the EPA finalized the first-ever National Primary Drinking Water Regulations for PFAS:
| PFAS Compound | EPA Legal Limit (MCL) | Health Goal (MCLG) | EWG Health Guideline |
|---|---|---|---|
| PFOA | 4 parts per trillion (ppt) | 0 ppt | 0.1 ppt |
| PFOS | 4 ppt | 0 ppt | 0.1 ppt |
| PFNA | 10 ppt | 10 ppt | — |
| PFHxS | 10 ppt | 10 ppt | — |
| HFPO-DA (GenX) | 10 ppt | 10 ppt | — |
| PFBS (mixture) | Hazard Index ≤1 | — | — |
Water utilities must comply with these limits by 2029. Until then, utilities are required to monitor and report PFAS levels, but are not yet legally required to treat the water to meet the new limits. This is another reason why home filtration is important right now — utilities have years to come into compliance.
Note that the health goal (MCLG) for PFOA and PFOS is zero. The EWG's health guideline is 0.1 ppt — 40 times stricter than the legal limit. Many scientists argue even 4 ppt is not health-protective.
Filter Technologies That Actually Remove PFAS
1. Reverse Osmosis (RO) — Best Overall
PFAS removal: 94–99%+
RO forces water through a semi-permeable membrane with extremely small pores, physically blocking PFAS molecules (which range from 3–10 Å in size) from passing through. NSF/ANSI 58 certified RO systems have been independently tested to remove 94–99.9% of PFAS compounds. This is the gold standard for PFAS removal and also removes dozens of other contaminants simultaneously.
2. High-Performance Activated Carbon Block (NSF P473 Certified)
PFAS removal: 85–99%+ (varies by compound)
Not all activated carbon removes PFAS — the key is the type of carbon, the density of the carbon block, and whether the filter has been independently certified under NSF P473. Standard granular activated carbon (what Brita uses) has insufficient contact time. Dense carbon block filters from brands like Clearly Filtered and some ZeroWater models have been tested and certified for PFAS removal.
3. High-Pressure Nanofiltration
PFAS removal: 90%+
Similar to RO but less aggressive — nanofiltration membranes block most PFAS while retaining more dissolved minerals. Used in some whole-house systems. Less common for residential applications than RO.
4. Granular Activated Carbon (GAC) — Limited
PFAS removal: Variable, 30–70% in residential applications
Municipal water utilities often use large-scale GAC beds to treat PFAS — the long contact time in industrial systems enables decent removal. In residential pitcher filters (including Brita), contact time is too short for reliable PFAS removal. However, some under-sink GAC systems with sufficient media volume can achieve meaningful reduction.
What Doesn't Work for PFAS
- Standard pitcher filters (Brita, PUR standard) — insufficient carbon capacity and contact time
- Boiling water — concentrates PFAS as water evaporates
- UV treatment — kills microorganisms, no effect on chemical contaminants
- Softeners/ion exchange (standard) — exchange calcium/magnesium ions, not designed for PFAS
- Sediment filters — physical particle removal only
Best Filters That Remove PFAS
APEC ROES-50 Reverse Osmosis
~$200
NSF/ANSI 58 certified. Removes 99%+ of PFAS plus lead, arsenic, nitrates, chlorine, and virtually all other dissolved contaminants. 5-stage system. Under-sink installation with dedicated faucet. Industry standard for 20+ years. Easy DIY install.
View on Amazon →Clearly Filtered Water Pitcher
~$90
NSF 42, 53, and 244 certified. Independently tested to remove 99.9%+ of PFOA and PFOS and 270+ other contaminants. The only major pitcher filter brand with documented PFAS removal performance. Significantly more expensive than Brita but actually removes PFAS.
View on Amazon →Waterdrop G3P800 RO
~$700
Tankless reverse osmosis with 800 GPD flow rate. NSF 58 certified. Real-time TDS monitoring. Removes 99%+ of PFAS. Compact under-sink design — no storage tank. Best for families who want top performance without waiting for water to filter.
View on Amazon →📊 Brita vs. Clearly Filtered vs. RO — at a glance: If you're used to a Brita pitcher and want to stay with a pitcher format, the Clearly Filtered pitcher is the upgrade path for PFAS removal. If you want the most comprehensive protection and don't mind an under-sink installation, a reverse osmosis system is the right move. See our full best water filter pitcher comparison for a head-to-head breakdown.
Frequently Asked Questions
Does any Brita filter remove PFAS?
No. As of 2026, no Brita filter — including the Standard, Longlast+/Elite, Stream, or faucet models — has been certified for PFAS removal under NSF P473 or any other PFAS-specific standard. Brita does not claim their filters remove PFAS. If PFAS removal is your priority, you need a Clearly Filtered pitcher (NSF-certified for PFAS), or a reverse osmosis system.
Does the Brita Longlast+ filter remove PFAS?
No. The Longlast+ (also called Brita Elite) is certified for lead, benzene, asbestos, and cadmium — these are its NSF 53 certifications. It is not certified for PFAS removal and Brita does not claim PFAS reduction for this filter. It's Brita's best filter but still doesn't address PFAS.
How do I know if my water has PFAS?
Three ways: 1) Check your zip code in the EWG Tap Water Database — it shows PFAS data from utility-reported monitoring. 2) Look up your utility's PFAS monitoring data on the EPA's UCMR website. 3) Use a home PFAS test kit — lab-analyzed results show the actual PFAS levels at your tap, including from private wells. Lab tests cost $100–$200 but are the most accurate.
Is reverse osmosis the best PFAS filter?
Yes, for most households. RO systems remove 94–99.9% of PFAS and also address dozens of other contaminants including lead, arsenic, nitrates, and disinfection byproducts. The main downsides are: installation is required (under the sink), they produce some wastewater (typically 3–4 gallons per gallon purified in older models, improving in newer designs), and you need to change filters periodically (~$50–100/year). For many families, these trade-offs are well worth it.
Can a Brita filter make PFAS contamination worse?
No, a Brita filter won't increase PFAS levels. But there is a theoretical concern: if you run very high-PFAS water through a Brita filter repeatedly, the carbon media could eventually become saturated and release previously captured PFAS back into the filtered water. However, since Brita doesn't claim (and doesn't significantly) remove PFAS in the first place, this is largely theoretical rather than a practical concern.
Does boiling water remove PFAS?
No. Boiling water does not remove PFAS. In fact, boiling concentrates PFAS because water evaporates while the fluorinated molecules stay behind. Boiling is appropriate for biological threats (bacteria, viruses, parasites) but has no effect on chemical contaminants like PFAS, lead, arsenic, or nitrates. Only physical filtration methods (RO, certain carbon blocks) effectively remove PFAS.