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Hillingdon, England
Your water in UB4
Hillingdon
Your water is safe
We checked 6 things and found nothing to worry about
ExcellentYour water is safe
We checked 6 things and found nothing to worry about
ExcellentTap water in UB4 (Hillingdon, Hillingdon) is supplied by Thames Water and scored 9.8 out of 10 for safety based on 6 tested parameters. No contaminants exceeded recommended safe levels. Data is from samples last taken 2000-01-25, sourced from the Environment Agency Water Quality Archive.
Environmental monitoringHow we score
Last sampled 2000-01-25 · Tap water tests not yet available for Thames Water
This data is over 26 years old. The Environment Agency hasn't sampled near UB4 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 |
|---|---|---|---|---|
| pH | 7.8 pH | — | — | Safe |
| Temperature | 6.91 °C | — | — | Safe |
| Ammonia | 0.01 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 4.01 mg/L | 50 mg/L | 50 mg/L | Safe |
| Phosphate | 0.325 mg/L | — | — | Safe |
| Dissolved Oxygen | 11 mg/L | — | — | Safe |
Source: Environment Agency
Filters for UB4
General-purpose filters for common UK tap water concerns.
Our pick for UB4
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for UB4. 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
Remove chlorine for better skin and hair
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Related guides
Learn more about the water quality issues relevant to this area.
Environmental water nearby
Rivers, groundwater and reservoirs near UB4. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| pH | 7.8 pH | — | — | Safe |
| Temperature | 6.91 °C | — | — | Safe |
| Ammonia | 0.01 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 4.01 mg/L | 50 mg/L | 50 mg/L | Safe |
| Phosphate | 0.325 mg/L | — | — | Safe |
| Dissolved Oxygen | 11 mg/L | — | — | Safe |
Source: Environment Agency
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