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Windsor and Maidenhead, England
Your water in SL7
Windsor and Maidenhead
Your water is safe
We checked 14 things and found nothing to worry about
ExcellentYour water is safe
We checked 14 things and found nothing to worry about
ExcellentForever chemicals found near you
PFAS — known as 'forever chemicals' — were found at 0.00529 µg/L in water tests near SL7. The UK doesn't have a legal limit for these yet.
Tap water in SL7 (Windsor and Maidenhead, Windsor and Maidenhead) is supplied by Thames Water and scored 9.5 out of 10 for safety based on 14 tested parameters. No contaminants exceeded recommended safe levels. PFAS (forever chemicals) were detected at 0.00529 µg/L in nearby environmental monitoring. The UK currently has no legal limit for PFAS in drinking water. Data is from samples last taken 2021-01-26, sourced from the Environment Agency Water Quality Archive.
Environmental monitoringHow we score
Last sampled 2021-01-26 · Tap water tests not yet available for Thames Water
This data is over 5 years old. The Environment Agency hasn't sampled near SL7 recently. Scores reflect the most recent available data.
What we found
Here’s what government tests found in water near you.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Lead | 0.000173 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| pH | 7.88 pH | — | — | Safe |
| Cadmium | 0.000024 mg/L | 0.005 mg/L | 0.003 mg/L | Safe |
| Zinc | 0.0113 mg/L | — | — | Safe |
| Nickel | 0.00198 mg/L | 0.02 mg/L | 0.07 mg/L | Safe |
| Manganese | 0.00222 mg/L | 0.05 mg/L | 0.08 mg/L | Safe |
Source: Environment Agency
Filters for SL7
General-purpose filters for common UK tap water concerns.
Our pick for SL7
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for SL7. Removes Chlorine, Lead, Copper and more. No installation needed.
Check price & reviews
£25
4.5/5
2 more options
Recommendations matched to your area's water data, not sponsorship. We may earn a commission at no extra cost to you. Affiliate disclosure · Full filter guide
Shower filters
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Related guides
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Environmental water nearby
Rivers, groundwater and reservoirs near SL7. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Lead | 0.000173 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| pH | 7.88 pH | — | — | Safe |
| Cadmium | 0.000024 mg/L | 0.005 mg/L | 0.003 mg/L | Safe |
| Zinc | 0.0113 mg/L | — | — | Safe |
| Nickel | 0.00198 mg/L | 0.02 mg/L | 0.07 mg/L | Safe |
| Manganese | 0.00222 mg/L | 0.05 mg/L | 0.08 mg/L | Safe |
Source: Environment Agency
Learn more
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