Cornwall, England
Cornwall
Your water is safe
We checked 13 things and found nothing to worry about
ExcellentYour water is safe
We checked 13 things and found nothing to worry about
ExcellentBased on drinking water tests, your water in TR5 (Cornwall) is supplied by South West Water. Based on the latest data (last sampled 2024-10-29), 13 things were tested with 0 exceeding recommended levels. The overall water quality score for TR5 is 9.5/10.
Last sampled 2024-10-29 · 243 samples
This data is 17 months old. Newer data may be available soon.
Results from drinking water tests in Cornwall.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Selenium | 0.0012 mg/L | 0.04 mg/L | 0.04 mg/L | Safe |
| Bromate | 0.0001 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| Antimony | 0.0001 mg/L | 0.005 mg/L | 0.02 mg/L | Safe |
| Arsenic | 0.00062 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| Cadmium | 0.00006 mg/L | 0.005 mg/L | 0.003 mg/L | Safe |
| Chromium | 0.0008 mg/L | 0.05 mg/L | 0.05 mg/L | Safe |
Source: Stream Water Data Portal
General-purpose filters for common UK tap water concerns.

Our pick for TR5
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for TR5. Removes Chlorine, Lead, Copper and more. No installation needed.
£25
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
Rivers, groundwater and reservoirs near TR5. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Nickel | 0.0211 mg/L | 0.02 mg/L | 0.07 mg/L | Over limit |
Source: Environment Agency
We'll email you when water quality data changes for TR5.