Hertsmere, England
Hertsmere
Your water is safe
We checked 12 things and found 2 worth knowing about
GoodYour water is safe
We checked 12 things and found 2 worth knowing about
GoodBased on environmental water monitoring, your water in WD6 (Hertsmere) is supplied by Thames Water. Based on the latest data (last sampled 2005-09-29), 12 things were tested with 2 exceeding recommended levels. The overall water quality score for WD6 is 8.5/10.
Last sampled 2005-09-29 · Tap water tests not yet available for Thames Water
This data is over 20 years old. The Environment Agency hasn't sampled near WD6 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 |
|---|---|---|---|---|
| Fluoride | 1.3 mg/L | 1.5 mg/L | 1.5 mg/L | Watch |
| Iron | 0.167 mg/L | 0.2 mg/L | 0.3 mg/L | Watch |
Source: Environment Agency
2 contaminants flagged in WD6. These filters are matched to what was found in your water.

Our pick for WD6
Waterdrop G3P600 Reverse Osmosis
Under-Sink · NSF/ANSI 58, NSF/ANSI 372
The Waterdrop G3P600 Reverse Osmosis is certified to remove Fluoride, which was flagged in WD6. Fits under your kitchen sink for filtered water on tap.
Removes from your water
£399
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 WD6. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Fluoride | 1.3 mg/L | 1.5 mg/L | 1.5 mg/L | Watch |
| Iron | 0.167 mg/L | 0.2 mg/L | 0.3 mg/L | Watch |
Source: Environment Agency
We'll email you when water quality data changes for WD6.