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Doncaster, England
Doncaster
Your water is safe
We checked 24 things and found 1 worth knowing about
ExcellentYour water is safe
We checked 24 things and found 1 worth knowing about
ExcellentTap water in S66 (Doncaster, Doncaster) is supplied by Yorkshire Water and scored 9.4 out of 10 for safety based on 24 tested parameters. 1 contaminant exceeded recommended safe levels: Nitrate. Data is from 731 samples collected up to 2026-06-15, sourced from Yorkshire Water via the Stream Water Data Portal.
Last sampled 2026-06-15 · 731 samples
Results from drinking water tests in Doncaster.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Nitrate | 38 mg/L | 50 mg/L | 50 mg/L | Watch |
Source: Stream Water Data Portal
1 contaminant flagged in S66. These filters are matched to what was found in your water.

Our pick for S66
Waterdrop G3P600 Reverse Osmosis
Reverse Osmosis · NSF/ANSI 58, NSF/ANSI 372
The Waterdrop G3P600 Reverse Osmosis is certified to remove Nitrate, which was flagged in S66. 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
Shower filters
Remove chlorine for better skin and hair
Test your water
Confirm exactly what's in your pipes
Learn more about the water quality issues relevant to this area.
Rivers, groundwater and reservoirs near S66. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Iron | 0.482 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 S66.