Lewes, England
Lewes
Your water is safe
We checked 18 things and found nothing to worry about
ExcellentYour water is safe
We checked 18 things and found nothing to worry about
ExcellentBased on drinking water tests, your water in BN10 (Lewes) is supplied by Southern Water. Based on the latest data (last sampled 2023-09-29), 18 things were tested with 0 exceeding recommended levels. The overall water quality score for BN10 is 9.3/10.
Last sampled 2023-09-29 · 147 samples
This data is over 2 years old. Newer data may be available soon.
Results from drinking water tests in Lewes.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Colour | 3 mg/L Pt/Co | 20 mg/L Pt/Co | — | Safe |
| pH | 7.61 pH | — | — | Safe |
| Turbidity | 0.13 NTU | 4 NTU | 4 NTU | Safe |
| Aluminium | 0.0069 mg/L | 0.2 mg/L | — | Safe |
| Iron | 0.00704 mg/L | 0.2 mg/L | 0.3 mg/L | Safe |
| Manganese | 0.0003 mg/L | 0.05 mg/L | 0.08 mg/L | Safe |
Source: Stream Water Data Portal
General-purpose filters for common UK tap water concerns.

Our pick for BN10
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for BN10. 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 BN10. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Lead | 0.0166 mg/L | 0.01 mg/L | 0.01 mg/L | Over limit |
Source: Environment Agency
We'll email you when water quality data changes for BN10.