Loading water report
Fetching the latest data for this area
South Oxfordshire, England
Your water in RG9
South Oxfordshire
Your water is safe
We checked 11 things and found nothing to worry about
ExcellentYour water is safe
We checked 11 things and found nothing to worry about
ExcellentTap water in RG9 (South Oxfordshire, South Oxfordshire) is supplied by Thames Water and scored 9.4 out of 10 for safety based on 11 tested parameters. No contaminants exceeded recommended safe levels. Data is from samples last taken 2025-09-12, sourced from the Environment Agency Water Quality Archive.
Environmental monitoringHow we score
Last sampled 2025-09-12 · Tap water tests not yet available for Thames Water
What we found
Here’s what government tests found in water near you.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| pH | 7.95 pH | — | — | Safe |
| Temperature | 5.69 °C | — | — | Safe |
| Ammonia | 0.137 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 3.9 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.046 mg/L | 0.5 mg/L | 3 mg/L | Safe |
| Phosphate | 0.339 mg/L | — | — | Safe |
Source: Environment Agency
Filters for RG9
General-purpose filters for common UK tap water concerns.
Our pick for RG9
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for RG9. Removes Chlorine, Lead, Copper and more. No installation needed.
Check price & reviews
£25
4.5/5
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 RG9. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| pH | 7.95 pH | — | — | Safe |
| Temperature | 5.69 °C | — | — | Safe |
| Ammonia | 0.137 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 3.9 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.046 mg/L | 0.5 mg/L | 3 mg/L | Safe |
| Phosphate | 0.339 mg/L | — | — | Safe |
Source: Environment Agency
Learn more
Get alerts for your area
We'll email you when water quality data changes for RG9.