Preston, England
Preston
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
ExcellentBased on drinking water tests, your water in PR0 (Preston) is supplied by United Utilities. Based on the latest data (last sampled 2024-11-14), 12 things were tested with 0 exceeding recommended levels. The overall water quality score for PR0 is 9.3/10.
Last sampled 2024-11-14 · 117 samples
This data is 16 months old. Newer data may be available soon.
Results from drinking water tests in Preston.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Bromate | 0.00033 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| Aluminium | 0.00622 mg/L | 0.2 mg/L | — | Safe |
| Turbidity | 0.2 NTU | 4 NTU | 4 NTU | Safe |
| Iron | 0.013 mg/L | 0.2 mg/L | 0.3 mg/L | Safe |
| Manganese | 0.00045 mg/L | 0.05 mg/L | 0.08 mg/L | Safe |
| Trihalomethanes | 0.0348 mg/L | 0.1 mg/L | — | Safe |
Source: Stream Water Data Portal
General-purpose filters for common UK tap water concerns.

Our pick for PR0
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for PR0. 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 PR0. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| pH | 8.2 pH | — | — | Safe |
| Temperature | 4 °C | — | — | Safe |
| Conductivity | 480 µS/cm | — | — | Safe |
| Ammonia | 0.107 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 1.24 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.031 mg/L | 0.5 mg/L | 3 mg/L | Safe |
Source: Environment Agency
We'll email you when water quality data changes for PR0.