Epsom and Ewell, England
Epsom and Ewell
Your water is safe
We checked 13 things and found nothing to worry about
GoodYour water is safe
We checked 13 things and found nothing to worry about
GoodBased on environmental water monitoring, your water in SM3 (Epsom and Ewell) is supplied by Thames Water. Based on the latest data (last sampled 2000-01-06), 13 things were tested with 0 exceeding recommended levels. The overall water quality score for SM3 is 8.5/10.
Last sampled 2000-01-06 · Tap water tests not yet available for Thames Water
This data is over 26 years old. The Environment Agency hasn't sampled near SM3 recently. Scores reflect the most recent available data.
Here’s what government tests found in water near you.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Lead | 0.0045 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| pH | 7.5 pH | — | — | Safe |
| Temperature | 12 °C | — | — | Safe |
| Ammonia | 0.006 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 6.78 mg/L | 50 mg/L | 50 mg/L | Safe |
| Phosphate | 4.74 mg/L | — | — | Safe |
Source: Environment Agency
General-purpose filters for common UK tap water concerns.

Our pick for SM3
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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 SM3. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Lead | 0.0045 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| pH | 7.5 pH | — | — | Safe |
| Temperature | 12 °C | — | — | Safe |
| Ammonia | 0.006 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 6.78 mg/L | 50 mg/L | 50 mg/L | Safe |
| Phosphate | 4.74 mg/L | — | — | Safe |
Source: Environment Agency
We'll email you when water quality data changes for SM3.