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PFAS concern carried
Reno, NV · PFAS · forever chemicals

Is There PFAS in Reno Tap Water?

Reno, NV: PFOS 20 ng/L, 5× EPA's 4 ng/L limit; PFHxS and PFOA also above. Every PFAS result and filter certifications per compound.

Full Reno water reportTreatment for PFAS
The measurements · EPA UCMR 5

8 of 29 PFAS detected

Each result is read against its own reference. Only PFHxS, PFOA and PFOS have federal limits. PFBA, PFHpA and PFPeA have no federal or state limit and are shown for transparency, not graded.

  • PFOSFederal MCL
    Perfluorooctanesulfonic acid
    20ng/L
    04 ng/L federal MCL (2024)
    Above its limit · sampled 2023-01-17 to 2025-09-02Evidence
  • PFHxSFederal MCL
    Perfluorohexanesulfonic acid
    15ng/L
    010 ng/L federal MCL (2024)
    Above its limit · limit under EPA review · sampled 2023-01-17 to 2025-09-02Evidence
  • PFOAFederal MCL
    Perfluorooctanoic acid
    5.5ng/L
    04 ng/L federal MCL (2024)
    Above its limit · sampled 2023-01-17 to 2025-09-02Evidence
  • PFBSEPA health advisory
    Perfluorobutanesulfonic acid
    5.7ng/L
    02,000 ng/L EPA health advisory (screening, not a legal limit)
    Detected, below its EPA health advisory · sampled 2023-01-17 to 2025-09-02Evidence
  • PFHxAState MCL · Michigan
    Perfluorohexanoic acid
    12ng/L
    0400,000 ng/L Michigan EGLE state MCL (strictest US state)
    Detected, below its state limit · sampled 2023-01-17 to 2025-09-02Evidence
  • PFPeANo limit
    Perfluoropentanoic acid
    13ng/L

    No federal or state limit: shown for transparency, not graded.

    Detected, no limit · sampled 2023-01-17 to 2025-09-02Evidence
  • PFBANo limit
    Perfluorobutanoic acid
    6.8ng/L

    No federal or state limit: shown for transparency, not graded.

    Detected, no limit · sampled 2023-01-17 to 2025-09-02Evidence
  • PFHpANo limit
    Perfluoroheptanoic acid
    3.9ng/L

    No federal or state limit: shown for transparency, not graded.

    Detected, no limit · sampled 2023-01-17 to 2025-09-02Evidence
All 29 compounds in this record
  • PFOAMCL
    5.5 ng/L
  • PFOSMCL
    20 ng/L
  • PFHxSMCL
    15 ng/L
  • PFNAMCL
    Not detected
  • HFPO-DA (GenX)MCL
    Not detected
  • PFBS
    5.7 ng/L
  • PFHxA
    12 ng/L
  • PFBA
    6.8 ng/L
  • PFHpA
    3.9 ng/L
  • PFPeA
    13 ng/L
  • 11Cl-PF3OUdS
    Not detected
  • 4:2 FTS
    Not detected
  • 6:2 FTS
    Not detected
  • 8:2 FTS
    Not detected
  • 9Cl-PF3ONS
    Not detected
  • ADONA
    Not detected
  • NEtFOSAA
    Not detected
  • NFDHA
    Not detected
  • NMeFOSAA
    Not detected
  • PFDA
    Not detected
  • PFDoA
    Not detected
  • PFEESA
    Not detected
  • PFHpS
    Not detected
  • PFMBA
    Not detected
  • PFMPA
    Not detected
  • PFPeS
    Not detected
  • PFTA
    Not detected
  • PFTrDA
    Not detected
  • PFUnA
    Not detected

MCL marks the 5 PFAS given a federal limit in EPA's 2024 rule. EPA has proposed rescinding three of those limits; they apply until a final rule.

How this compares

PFOS across 681 cities with a detected value

3,077 more were below the lab's 4 ng/L reporting limit and aren't plotted, and 34 have no result on record. 63 cities above 25 ng/L are grouped in the last bar. A position here is not a verdict on the water.

Where Reno sits20 ng/L PFOSHigher than 86% of 681 cities with a detected value.
In Nevada
3of 12 city reports

have a regulated PFAS above the federal limit.

PFAS across Nevada →
What this record covers
  • TRUCKEE MEADOWS WATER AUTHORITY's water system as a whole, as reported to EPA UCMR 5.
  • 29 PFAS compounds, each with its own result.
  • Samples taken 2023-01-11 to 2025-09-02.
What is unknown
  • The water at your tap. Building plumbing isn't in this record.
  • PFAS not listed in the 29 above were not reported in these records.
  • Levels since the last sample have not been published.
How to test your tap water at home →
Treatment capabilities that apply

Test first, then match a certified method.

A tap test can confirm levels at your home before you choose treatment.

How to test your tapCompare treatment technologies
Identified concerns
  • PFHxS · exceeds the limit
  • PFOA · exceeds the limit
  • PFOS · exceeds the limit
  • PFBS · detected below the limit
  • PFHxA · detected below the limit
  • PFBA · detected, no federal or state limit
  • PFHpA · detected, no federal or state limit
  • PFPeA · detected, no federal or state limit
6 products have a current certification naming a PFAS detected here.See PFAS filters, checked compound by compound ↓
Commercial · PFAS filters

Fit for Reno’s PFAS, compound by compound

Each filter is checked against the 8 PFAS detected here. A ✓ needs a current certification record that names the compound. A PFAS claim on the box is not enough.

As an Amazon Associate, PurityMap earns from qualifying purchases. A product appears here only when a current certification record covers at least one identified concern; every concern stays listed. The retail offer is looked up afterwards and never changes which products appear or their order. Affiliate disclosure.

  • Certified for this compound
  • Claimed or likely, not established
  • No claim on record
Under-Sink Filter

Aquasana Claryum 3-Stage Max Flow Under-Sink Filter (AQ-6300M)

Activated Carbon (Claryum)
Detected in Reno2 of 8 certified
  • PFHxS15 ng/L–No claim on record
  • PFOA5.5 ng/L✓Certified for this compound
  • PFOS20 ng/L✓Certified for this compound
  • PFBS5.7 ng/L–No claim on record
  • PFHxA12 ng/L–No claim on record
  • PFBA6.8 ng/L–No claim on record
  • PFHpA3.9 ng/L–No claim on record
  • PFPeA13 ng/L–No claim on record
CertifiedNSF/ANSI 53 · PFOA, PFOSNSF/ANSI 42

Certified for PFOA, PFOS; not established for PFHxS, PFBS, PFHxA, PFBA, PFHpA, PFPeA.

Read the analysisCheck price on Amazon ↗
Countertop System

Aquasana Clean Water Machine Countertop Filter (AQ-CWM2)

Activated Carbon (Claryum)
Detected in Reno2 of 8 certified
  • PFHxS15 ng/L–No claim on record
  • PFOA5.5 ng/L✓Certified for this compound
  • PFOS20 ng/L✓Certified for this compound
  • PFBS5.7 ng/L–No claim on record
  • PFHxA12 ng/L–No claim on record
  • PFBA6.8 ng/L–No claim on record
  • PFHpA3.9 ng/L–No claim on record
  • PFPeA13 ng/L–No claim on record
CertifiedNSF/ANSI 53 · PFOA, PFOSNSF/ANSI 42

Certified for PFOA, PFOS; not established for PFHxS, PFBS, PFHxA, PFBA, PFHpA, PFPeA.

Read the analysisCheck price on Amazon ↗
Countertop System

AquaTru Classic Countertop Reverse-Osmosis Purifier (AT2000)

Reverse Osmosis
Detected in Reno2 of 8 certified
  • PFHxS15 ng/L–No claim on record
  • PFOA5.5 ng/L✓Certified for this compound
  • PFOS20 ng/L✓Certified for this compound
  • PFBS5.7 ng/L–No claim on record
  • PFHxA12 ng/L–No claim on record
  • PFBA6.8 ng/L–No claim on record
  • PFHpA3.9 ng/L–No claim on record
  • PFPeA13 ng/L–No claim on record
CertifiedNSF/ANSI 58NSF/ANSI 53 · PFOA, PFOSNSF/ANSI 42

Certified for PFOA, PFOS; not established for PFHxS, PFBS, PFHxA, PFBA, PFHpA, PFPeA.

Read the analysisCheck price on Amazon ↗
Under-Sink Filter

Under-Sink Reverse-Osmosis System

Reverse Osmosis
Detected in Reno2 of 8 certified
  • PFHxS15 ng/L–No claim on record
  • PFOA5.5 ng/L✓Certified for this compound
  • PFOS20 ng/L✓Certified for this compound
  • PFBS5.7 ng/L–No claim on record
  • PFHxA12 ng/L–No claim on record
  • PFBA6.8 ng/L–No claim on record
  • PFHpA3.9 ng/L–No claim on record
  • PFPeA13 ng/L–No claim on record
CertifiedNSF/ANSI 53 · PFOA, PFOSNSF/ANSI 58NSF/ANSI 42

Certified for PFOA, PFOS; not established for PFHxS, PFBS, PFHxA, PFBA, PFHpA, PFPeA.

Read the analysisCheck price on Amazon ↗
Under-Sink Filter

Waterdrop G3P600 Tankless Reverse-Osmosis System

Reverse Osmosis
Detected in Reno2 of 8 certified
  • PFHxS15 ng/L–No claim on record
  • PFOA5.5 ng/L✓Certified for this compound
  • PFOS20 ng/L✓Certified for this compound
  • PFBS5.7 ng/L–No claim on record
  • PFHxA12 ng/L–No claim on record
  • PFBA6.8 ng/L–No claim on record
  • PFHpA3.9 ng/L–No claim on record
  • PFPeA13 ng/L–No claim on record
CertifiedNSF/ANSI 58NSF/ANSI 53 · PFOA, PFOSNSF/ANSI 42

Certified for PFOA, PFOS; not established for PFHxS, PFBS, PFHxA, PFBA, PFHpA, PFPeA.

Read the analysisCheck price on Amazon ↗
Refrigerator Filter

Whirlpool Filter 3 Refrigerator Water Filter (WHR3RXD1)

Activated Carbon
Detected in Reno2 of 8 certified
  • PFHxS15 ng/L–No claim on record
  • PFOA5.5 ng/L✓Certified for this compound
  • PFOS20 ng/L✓Certified for this compound
  • PFBS5.7 ng/L–No claim on record
  • PFHxA12 ng/L–No claim on record
  • PFBA6.8 ng/L–No claim on record
  • PFHpA3.9 ng/L–No claim on record
  • PFPeA13 ng/L–No claim on record
CertifiedNSF/ANSI 53 · PFOA, PFOSNSF/ANSI 42NSF/ANSI 401

Certified for PFOA, PFOS; not established for PFHxS, PFBS, PFHxA, PFBA, PFHpA, PFPeA.

Read the analysisCheck price on Amazon ↗
None of these is certified for all 8 compounds detected here. A tap test first tells you which ones reach your glass.
Questions

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Is there PFAS in Reno tap water?

In EPA's UCMR 5 testing of TRUCKEE MEADOWS WATER AUTHORITY (2023-01-17 to 2025-09-02): PFBA 6.8 ng/L (no federal or state limit), PFBS 5.7 ng/L (EPA health advisory 2,000), PFHpA 3.9 ng/L (no federal or state limit), PFHxA 12 ng/L (state limit 400,000), PFHxS 15 ng/L (limit 10), PFOA 5.5 ng/L (limit 4), PFOS 20 ng/L (limit 4), PFPeA 13 ng/L (no federal or state limit) and the other 21 PFAS tested not detected. "Not detected" means below the lab's reporting limit, not proven zero.

What are the federal PFAS limits?

EPA's 2024 drinking-water rule set maximum contaminant levels of 4.0 ng/L for PFOA and for PFOS, and 10 ng/L for PFHxS, PFNA and HFPO-DA (GenX). In May 2026 EPA proposed keeping the PFOA and PFOS limits, with the option of until 2031 to comply, and rescinding the other three. Until a final rule, all five limits apply. Results above them today are above the limits in force.

How do I remove PFAS from my tap water?

Reverse-osmosis systems and filters certified to NSF/ANSI 53 or 58 for PFOA/PFOS reduction are the proven options at the tap. Check the certifier's listing (NSF, WQA or IAPMO) for the exact model, and replace cartridges on schedule.

Sources
  • UCMR5 Analytical ResultsUCMR5 Analytical Results: TRUCKEE MEADOWS WATER AUTHORITY (NV0000190)US EPA · 2026-01-15View source ↗
  • State SDWIS Compliance RecordLead & Copper Rule 90th-percentile: TRUCKEE MEADOWS WATER AUTHORITY (NV0000190)US EPA SDWIS · 2026-07-09View source ↗