Cornwall, England
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
ExcellentBased on drinking water tests, your water in PL25 (Cornwall) is supplied by South West Water. Based on the latest data (last sampled 2024-12-06), 16 things were tested with 0 exceeding recommended levels. The overall water quality score for PL25 is 9.5/10.
Last sampled 2024-12-06 · 753 samples
This data is 16 months old. Newer data may be available soon.
Results from drinking water tests in Cornwall.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Copper | 0.00573 mg/L | 2 mg/L | 2 mg/L | Safe |
| Lead | 0.000409 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 |
| 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 |
Source: Stream Water Data Portal
General-purpose filters for common UK tap water concerns.

Our pick for PL25
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for PL25. 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 PL25. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| pH | 7.1 pH | — | — | Safe |
| Copper | 0.0011 mg/L | 2 mg/L | 2 mg/L | Safe |
| Zinc | 0.0059 mg/L | — | — | Safe |
| Conductivity | 190 µS/cm | — | — | Safe |
| Temperature | 10 °C | — | — | Safe |
| Ammonia | 0.061 mg/L | 0.5 mg/L | — | Safe |
Source: Environment Agency
We'll email you when water quality data changes for PL25.