Loading water report
Fetching the latest data for this area
Loading water report
Fetching the latest data for this area
Richmond upon Thames, England
Richmond upon Thames
Your water is safe
We checked 22 things and found 3 worth knowing about
GoodYour water is safe
We checked 22 things and found 3 worth knowing about
GoodTap water in TW11 (Richmond upon Thames, Richmond upon Thames) is supplied by Thames Water and scored 7.2 out of 10 for safety based on 22 tested parameters. 3 contaminants exceeded recommended safe levels: Coliform Bacteria, E. coli, Nitrite. Data is from 3,635 samples collected up to 2025-12-31, sourced from Thames Water via the Stream Water Data Portal.
Last sampled 2025-12-31 · 3,635 samples
Results from drinking water tests in Richmond upon Thames.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Coliform Bacteria | 300 count/100ml | 0 count/100ml | 0 count/100ml | Over limit |
| E. coli | 3 count/100ml | 0 count/100ml | 0 count/100ml | Over limit |
| Nitrite | 0.59 mg/L | 0.5 mg/L | 3 mg/L | Over limit |
Source: Stream Water Data Portal
Shower filters
Remove chlorine for better skin and hair
Test your water
Confirm exactly what's in your pipes
Rivers, groundwater and reservoirs near TW11. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Lead | 0.0132 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 TW11.