Wiltshire, England
Wiltshire
Your water is safe
We checked 8 things and found nothing to worry about
ExcellentYour water is safe
We checked 8 things and found nothing to worry about
ExcellentBased on environmental water monitoring, your water in GL9 (Wiltshire) is supplied by Thames Water. Based on the latest data (last sampled 2024-01-15), 8 things were tested with 0 exceeding recommended levels. The overall water quality score for GL9 is 9.7/10.
Last sampled 2024-01-15 · Tap water tests not yet available for Thames Water
This data is over 2 years old. The Environment Agency hasn't sampled near GL9 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 |
|---|---|---|---|---|
| pH | 7.61 pH | — | — | Safe |
| Temperature | 7.7 °C | — | — | Safe |
| Conductivity | 610 µS/cm | — | — | Safe |
| Ammonia | 0.043 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 5 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.0094 mg/L | 0.5 mg/L | 3 mg/L | Safe |
Source: Environment Agency
General-purpose filters for common UK tap water concerns.

Our pick for GL9
BRITA Marella XL + MAXTRA PRO
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A solid all-round filter for GL9. Removes Chlorine, Lead, Copper and more. No installation needed.
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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 GL9. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| pH | 7.61 pH | — | — | Safe |
| Temperature | 7.7 °C | — | — | Safe |
| Conductivity | 610 µS/cm | — | — | Safe |
| Ammonia | 0.043 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 5 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.0094 mg/L | 0.5 mg/L | 3 mg/L | Safe |
Source: Environment Agency
We'll email you when water quality data changes for GL9.