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Cornwall, England
Your water in TR18
Cornwall
Your water is safe
We checked 16 things and found nothing to worry about
ExcellentYour water is safe
We checked 16 things and found nothing to worry about
ExcellentTap water in TR18 (Cornwall, Cornwall) is supplied by South West Water and scored 9.5 out of 10 for safety based on 16 tested parameters. No contaminants exceeded recommended safe levels. Data is from 1,116 samples collected up to 2024-12-17, sourced from South West Water via the Stream Water Data Portal.
Drinking water testsHow we score
Last sampled 2024-12-17 · 1,116 samples
This data is 15 months old. Newer data may be available soon.
What’s in your tap water
Results from drinking water tests in Cornwall.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Copper | 0.0025 mg/L | 2 mg/L | 2 mg/L | Safe |
| Lead | 0.0001 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| Nickel | 0.0033 mg/L | 0.02 mg/L | 0.07 mg/L | Safe |
| Aluminium | 0.0257 mg/L | 0.2 mg/L | — | Safe |
| Colour | 2 mg/L Pt/Co | 20 mg/L Pt/Co | — | Safe |
| Iron | 0.0076 mg/L | 0.2 mg/L | 0.3 mg/L | Safe |
Source: Stream Water Data Portal
Filters for TR18
General-purpose filters for common UK tap water concerns.
Our pick for TR18
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for TR18. 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
Test your water
Confirm exactly what's in your pipes
Related guides
Learn more about the water quality issues relevant to this area.
Environmental water nearby
Rivers, groundwater and reservoirs near TR18. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Conductivity | 210 µS/cm | — | — | Safe |
| Temperature | 11 °C | — | — | Safe |
| pH | 7.12 pH | — | — | Safe |
| Nitrate | 2.43 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.0115 mg/L | 0.5 mg/L | 3 mg/L | Safe |
| Phosphate | 0.163 mg/L | — | — | Safe |
Source: Environment Agency
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