England

PFAS in Leeds Water

Based on Environment Agency monitoring data. Last updated 12 December 2025.

According to TapWater.uk's analysis, 19 PFAS compounds have been detected across 10 sampling points in Leeds. The highest recorded level is 0.047 µg/L (PFBS).

Compounds detected

Sampling points

Highest level

0.047 µg/L

Latest date

12 December 2025

<0.01 µg/L

0.01–0.075 µg/L

>0.075 µg/L

PFAS levels over time

Monthly aggregate PFAS levels. Dashed line shows WHO guideline (0.1 µg/L).

Compounds detected

PFBS

0.0470 µg/L

PFOA

0.0430 µg/L

PFPeA

0.0290 µg/L

PFHxA

0.0240 µg/L

PFOS (total)

0.0230 µg/L

PFHpA

0.0210 µg/L

PFOS (branched)

0.0140 µg/L

PFOS (linear)

0.0130 µg/L

PFBA

0.0110 µg/L

PFHxS (linear)

0.0099 µg/L

6:2 FtSAB

0.0056 µg/L

PFOS

0.0051 µg/L

PFPeS

0.0032 µg/L

6:2 FTSA

0.0031 µg/L

PFNA

0.0026 µg/L

PFHxS (branched)

0.0022 µg/L

PFDA

0.0012 µg/L

FBSA

0.0010 µg/L

PFHpS

0.0009 µg/L

Dashed line = WHO guideline (0.1 µg/L). Bar shows maximum detected level.

Sampling points

Environment Agency monitoring locations near Leeds.

LocationMax levelCompoundCoordinates

ADEL BECK AT ADEL MILL BRIDGE

0.043 µg/LPFOA53.8622, -1.5827

MEANWOOD BECK AT BUSLINGTHORPE LANE

0.016 µg/LPFOA53.8158, -1.5444

BRANDON NURSERIES - SHADWELL - LEEDS

0.001 µg/L6:2 FTSA53.8635, -1.4733

AIRE AT FLEET WEIR

0.007 µg/LPFHxA53.7514, -1.4238

CALDER AT METHLEY BRIDGE

0.008 µg/LPFOA53.7271, -1.3806

CALDER AT STANLEY FERRY

0.008 µg/LPFOA53.7029, -1.4639

RSN1332 CALDER D/S SPEN BECK - RAVENSTHORPE

0.010 µg/LPFOA53.6810, -1.6495

SSN0869 ROSSAW BECK NEAR HEALTHWAITE HILL

0.023 µg/LPFOS (total)53.9323, -1.5562

SSN1573 OSSETT DIKE TRIB OF LUPSET BECK

0.047 µg/LPFBS53.6686, -1.5504

MILL SHAW BECK ABOVE DEWSBURY ROAD TIP

0.014 µg/LPFOS (total)53.7469, -1.5656

What this means for your tap water

Important context: the Environment Agency data shown here is from environmental monitoring of rivers and groundwater — not treated tap water. PFAS detected in source water does not necessarily mean the same levels are present in the water that comes out of your tap.

Water treatment processes can reduce PFAS concentrations, though the effectiveness varies by treatment method and PFAS compound. UK water companies are not required to publish PFAS removal rates. If you are concerned, a reverse osmosis filter offers the most reliable protection at home.

How to reduce PFAS exposure

A reverse osmosis system is the most effective way to remove PFAS from your drinking water at home, eliminating over 95% of forever chemicals.

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PFAS data for nearby cities

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Frequently asked questions

Has PFAS been found in Leeds water?

Yes. Environment Agency monitoring has detected 19 PFAS compounds across 10 sampling points in water sources near Leeds. The highest recorded level is 0.047 µg/L (PFBS). Note that this is environmental monitoring of rivers and groundwater, not treated tap water.

What PFAS compounds were found in Leeds?

The following PFAS compounds have been detected near Leeds: PFHxS (branched), PFBS, PFBA, PFPeA, PFPeS, PFOS (branched), PFOA, PFOS (linear), PFHxA, PFHpA, PFHxS (linear), PFNA, PFHpS, 6:2 FTSA, FBSA, PFOS, PFDA, PFOS (total), 6:2 FtSAB. PFBS was recorded at the highest level of 0.047 µg/L.

Is Leeds tap water safe to drink despite PFAS?

Leeds tap water meets all current UK legal standards. However, the UK has no legal limit for PFAS in drinking water. The Environment Agency data shows PFAS in source water (rivers and groundwater), not in treated tap water. Water treatment may reduce PFAS levels, but the extent of removal is not publicly reported.

How can I remove PFAS from my water in Leeds?

The most effective method is a reverse osmosis (RO) filtration system, which removes over 95% of PFAS compounds. Standard carbon filters and jug filters like BRITA do not effectively remove PFAS. An under-sink RO system is recommended for Leeds households concerned about PFAS exposure.