Sutton, England
Sutton
Your water is safe
We checked 9 things and found nothing to worry about
ExcellentYour water is safe
We checked 9 things and found nothing to worry about
ExcellentBased on environmental water monitoring, your water in CR4 (Sutton) is supplied by Thames Water. Based on the latest data (last sampled 2022-01-11), 9 things were tested with 0 exceeding recommended levels. The overall water quality score for CR4 is 9.7/10.
Last sampled 2022-01-11 · Tap water tests not yet available for Thames Water
This data is over 4 years old. The Environment Agency hasn't sampled near CR4 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 |
|---|---|---|---|---|
| pH | 7.7 pH | — | — | Safe |
| Temperature | 10 °C | — | — | Safe |
| Ammonia | 0.001 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 5.69 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.049 mg/L | 0.5 mg/L | 3 mg/L | Safe |
| Phosphate | 0.119 mg/L | — | — | Safe |
Source: Environment Agency
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 CR4. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| pH | 7.7 pH | — | — | Safe |
| Temperature | 10 °C | — | — | Safe |
| Ammonia | 0.001 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 5.69 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.049 mg/L | 0.5 mg/L | 3 mg/L | Safe |
| Phosphate | 0.119 mg/L | — | — | Safe |
Source: Environment Agency
We'll email you when water quality data changes for CR4.