Loading water report
Fetching the latest data for this area
Test Valley, England
Your water in RG28
Test Valley
Your water is safe
We checked 18 things and found 1 worth knowing about
ExcellentYour water is safe
We checked 18 things and found 1 worth knowing about
ExcellentTap water in RG28 (Test Valley, Test Valley) is supplied by Southern Water and scored 9.1 out of 10 for safety based on 18 tested parameters. 1 contaminant exceeded recommended safe levels: Nitrate. Data is from 321 samples collected up to 2025-11-03, sourced from Southern Water via the Stream Water Data Portal.
Drinking water testsHow we score
Last sampled 2025-11-03 · 321 samples
What’s in your tap water
Results from drinking water tests in Test Valley.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Nitrate | 39 mg/L | 50 mg/L | 50 mg/L | Watch |
Source: Stream Water Data Portal
What removes these from your water
1 contaminant flagged in RG28. These filters are matched to what was found in your water.
Our pick for RG28
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 RG28. Fits under your kitchen sink for filtered water on tap.
Removes from your water
Nitrate
Check price & reviews
£399
4.6/5
2 more options
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
Related guides
Learn more about the water quality issues relevant to this area.
Environmental water nearby
Rivers, groundwater and reservoirs near RG28. This is environmental monitoring — not your tap water.
Learn more
Get alerts for your area
We'll email you when water quality data changes for RG28.