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Fetching the latest data for this area
Dartford, England
Dartford
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
GoodTap water in DA9 (Dartford, Dartford) is supplied by Thames Water and scored 7.2 out of 10 for safety based on 12 tested parameters. 2 contaminants exceeded recommended safe levels: Ammonia, Iron. Data is from samples last taken 2023-09-13, sourced from the Environment Agency Water Quality Archive.
Last sampled 2023-09-13 · Tap water tests not yet available for Thames Water
This data is over 2 years old. The Environment Agency hasn't sampled near DA9 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 |
|---|---|---|---|---|
| Ammonia | 3.61 mg/L | 0.5 mg/L | — | Over limit |
| Iron | 2.79 mg/L | 0.2 mg/L | 0.3 mg/L | Over limit |
Source: Environment Agency
2 contaminants flagged in DA9. These filters are matched to what was found in your water.

Our pick for DA9
Waterdrop WHF21 Whole House
Whole House · NSF/ANSI 42
The Waterdrop WHF21 Whole House is certified to remove Iron, which was flagged in DA9. Protects every tap in your home.
Removes from your water
£600
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
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Learn more about the water quality issues relevant to this area.
Rivers, groundwater and reservoirs near DA9. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Ammonia | 3.61 mg/L | 0.5 mg/L | — | Over limit |
| Iron | 2.79 mg/L | 0.2 mg/L | 0.3 mg/L | Over limit |
Source: Environment Agency
We'll email you when water quality data changes for DA9.