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 BN7 (Lewes) is supplied by Southern Water. Based on the latest data (last sampled 2023-12-07), 18 things were tested with 0 exceeding recommended levels. The overall water quality score for BN7 is 9.3/10.
Last sampled 2023-12-07 · 571 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 |
|---|---|---|---|---|
| Aluminium | 0.0145 mg/L | 0.2 mg/L | — | Safe |
| Iron | 0.00523 mg/L | 0.2 mg/L | 0.3 mg/L | Safe |
| Manganese | 0.00085 mg/L | 0.05 mg/L | 0.08 mg/L | Safe |
| Turbidity | 0.13 NTU | 4 NTU | 4 NTU | Safe |
| Lead | 0.00015 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| Colour | 3 mg/L Pt/Co | 20 mg/L Pt/Co | — | Safe |
Source: Stream Water Data Portal
General-purpose filters for common UK tap water concerns.

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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 BN7. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Lead | 0.0004 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| pH | 8.1 pH | — | — | Safe |
| Conductivity | 360 µS/cm | — | — | Safe |
| Temperature | 10 °C | — | — | Safe |
| Cadmium | 0.00002 mg/L | 0.005 mg/L | 0.003 mg/L | Safe |
| Nitrate | 5.1 mg/L | 50 mg/L | 50 mg/L | Safe |
Source: Environment Agency
We'll email you when water quality data changes for BN7.