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Hillingdon, England
Your water in HA5
Hillingdon
Your water is safe
We checked 12 things and found nothing to worry about
ExcellentYour water is safe
We checked 12 things and found nothing to worry about
ExcellentTap water in HA5 (Hillingdon, Hillingdon) is supplied by Thames Water and scored 9.6 out of 10 for safety based on 12 tested parameters. No contaminants exceeded recommended safe levels. Data is from samples last taken 2022-02-04, sourced from the Environment Agency Water Quality Archive.
Environmental monitoringHow we score
Last sampled 2022-02-04 · Tap water tests not yet available for Thames Water
This data is over 4 years old. The Environment Agency hasn't sampled near HA5 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 | 8 pH | — | — | Safe |
| Temperature | 7.3 °C | — | — | Safe |
| Ammonia | 0.12 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 1.45 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.036 mg/L | 0.5 mg/L | 3 mg/L | Safe |
| Phosphate | 0.25 mg/L | — | — | Safe |
Source: Environment Agency
Filters for HA5
General-purpose filters for common UK tap water concerns.
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BRITA Marella XL + MAXTRA PRO
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A solid all-round filter for HA5. Removes Chlorine, Lead, Copper and more. No installation needed.
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£25
4.5/5
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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
Shower filters
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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 HA5. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| pH | 8 pH | — | — | Safe |
| Temperature | 7.3 °C | — | — | Safe |
| Ammonia | 0.12 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 1.45 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.036 mg/L | 0.5 mg/L | 3 mg/L | Safe |
| Phosphate | 0.25 mg/L | — | — | Safe |
Source: Environment Agency
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