Westminster, England
Your water in W10
Westminster, Westminster
Your water is mostly fine
We checked 13 things and found 2 worth knowing about
Fair13
Tests run
2
To watch
Thames Water
Your water company
Apr 2026
Last checked
Based on government water tests, your water in W10 (Westminster) is supplied by Thames Water. Based on the latest data (last sampled 2000-03-10), 13 parameters were tested with 2 exceeding recommended levels. The overall water quality score for W10 is 6.7/10.
What we found
Here's what government tests found in water near you.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Lead Source: Environment Agency | 0.159 mg/L | 0.01 mg/L | 0.01 mg/L | Over limit |
| Ammonia Source: Environment Agency | 0.852 mg/L | 0.5 mg/L | — | Over limit |
| pH Source: Environment Agency | 7.9 pH | — | — | Safe |
| Temperature Source: Environment Agency | 10.48 °C | — | — | Safe |
| Cadmium Source: Environment Agency | 0.0002 mg/L | 0.005 mg/L | 0.003 mg/L | Safe |
| Nitrate Source: Environment Agency | 4.32 mg/L | 50 mg/L | 50 mg/L | Safe |
| Phosphate Source: Environment Agency | 0.415 mg/L | — | — | Safe |
| Chromium Source: Environment Agency | 0.0052 mg/L | 0.05 mg/L | 0.05 mg/L | Safe |
| Copper Source: Environment Agency | 0.0241 mg/L | 2 mg/L | 2 mg/L | Safe |
| Zinc Source: Environment Agency | 0.097 mg/L | — | — | Safe |
| Nickel Source: Environment Agency | 0.015 mg/L | 0.02 mg/L | 0.07 mg/L | Safe |
| Dissolved Oxygen Source: Environment Agency | 94.5 mg/L | — | — | Safe |
| Conductivity Source: Environment Agency | 770 µS/cm | — | — | Safe |
How it's changed
W10quality score, 2020–2026
Water quality has improved over the past 6 years.
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Filters for your area
Picked to match what we found in your water
BRITA
MAXTRA PRO All-in-1
Filter Jug
Removes
- Chlorine
- Lead
- Copper
+1 more
ZeroWater
Ready-Pour 10-Cup
Filter Jug
Removes
- Pfas
- Lead
- Chlorine
+2 more
Osmio
Zero Installation Reverse Osmosis
Countertop
Removes
- Pfas
- Lead
- Nitrate
+4 more
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