Is There PFAS in Toledo Tap Water?

Toledo, OH: PFBA 5 ng/L detected (no federal or state limit) in 2024 testing. Every PFAS result and filter certifications per compound.

Full Toledo water report Treatment for PFAS

The measurements · EPA UCMR 5

1 of 29 PFAS detected

Each result is read against its own reference. None of the detected compounds has a federal limit. PFBA has no federal or state limit and is shown for transparency, not graded.

PFBANo limit
Perfluorobutanoic acid
5ng/L
No federal or state limit: shown for transparency, not graded.
Detected, no limit · sampled 2024-06-03 to 2025-03-11Evidence

All 29 compounds in this record

PFOAMCL
Not detected
PFOSMCL
Not detected
PFHxSMCL
Not detected
PFNAMCL
Not detected
HFPO-DA (GenX)MCL
Not detected
PFBA
5 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
PFBS
Not detected
PFDA
Not detected
PFDoA
Not detected
PFEESA
Not detected
PFHpA
Not detected
PFHpS
Not detected
PFHxA
Not detected
PFMBA
Not detected
PFMPA
Not detected
PFPeA
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

4 ng/L federal MCL (2024)

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 Toledo sitsNot on the stripToledo’s PFOS result was below the lab’s reporting limit.

In Ohio

18of 115 city reports

have a regulated PFAS above the federal limit.

PFAS across Ohio →

What this record covers

TOLEDO CITY OF's water system as a whole, as reported to EPA UCMR 5.
29 PFAS compounds, each with its own result.
Samples taken 2024-06-03 to 2025-03-11.

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 tap Compare treatment technologies

Identified concerns

PFBA · detected, no federal or state limit

No product in our catalogue has verified certification for these concerns yet.

Questions

Frequently asked

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Is there PFAS in Toledo tap water?

In EPA's UCMR 5 testing of TOLEDO CITY OF (2024-06-03 to 2025-03-11): PFBA 5 ng/L (no federal or state limit) and the other 28 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: TOLEDO CITY OF (OH4801411)US EPA · 2026-01-15View source ↗
State SDWIS Compliance RecordLead & Copper Rule 90th-percentile: TOLEDO CITY OF (OH4801411)US EPA SDWIS · 2026-07-09View source ↗