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Cheshire West and Chester, England
Cheshire West and Chester
Your water is safe
We checked 15 things and found nothing to worry about
ExcellentYour water is safe
We checked 15 things and found nothing to worry about
ExcellentTap water in CH66 (Cheshire West and Chester, Cheshire West and Chester) is supplied by United Utilities and scored 9.5 out of 10 for safety based on 15 tested parameters. No contaminants exceeded recommended safe levels. Data is from 1,224 samples collected up to 2022-12-29, sourced from United Utilities via the Stream Water Data Portal.
Last sampled 2022-12-29 · 1,224 samples
This data is over 3 years old. Newer data may be available soon.
Results from drinking water tests in Cheshire West and Chester.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Aluminium | 0.00628 mg/L | 0.2 mg/L | — | Safe |
| Cadmium | 0.00009 mg/L | 0.005 mg/L | 0.003 mg/L | Safe |
| Chromium | 0.00083 mg/L | 0.05 mg/L | 0.05 mg/L | Safe |
| Ammonia | 0.0154 mg/L | 0.5 mg/L | — | Safe |
| Antimony | 0.00031 mg/L | 0.005 mg/L | 0.02 mg/L | Safe |
| Manganese | 0.00101 mg/L | 0.05 mg/L | 0.08 mg/L | Safe |
Source: Stream Water Data Portal
General-purpose filters for common UK tap water concerns.

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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
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Learn more about the water quality issues relevant to this area.
Rivers, groundwater and reservoirs near CH66. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Iron | 0.25 mg/L | 0.2 mg/L | 0.3 mg/L | Over limit |
Source: Environment Agency
We'll email you when water quality data changes for CH66.