Hertsmere, England
Hertsmere
Your water is safe
We checked 9 things and found 1 worth knowing about
GoodYour water is safe
We checked 9 things and found 1 worth knowing about
GoodBased on environmental water monitoring, your water in AL4 (Hertsmere) is supplied by Thames Water. Based on the latest data (last sampled 2025-01-13), 9 things were tested with 1 exceeding recommended levels. The overall water quality score for AL4 is 7.8/10.
Last sampled 2025-01-13 · Tap water tests not yet available for Thames Water
This data is 14 months old. The Environment Agency hasn't sampled near AL4 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 |
|---|---|---|---|---|
| Bromate | 0.0487 mg/L | 0.01 mg/L | 0.01 mg/L | Over limit |
Source: Environment Agency
Rivers, groundwater and reservoirs near AL4. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Bromate | 0.0487 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 AL4.