Portsmouth, England
Portsmouth
Your water is safe
We checked 21 things and found nothing to worry about
GoodYour water is safe
We checked 21 things and found nothing to worry about
GoodBased on drinking water tests, your water in PO6 (Portsmouth) is supplied by Portsmouth Water. Based on the latest data (last sampled 2024-12-31), 21 things were tested with 0 exceeding recommended levels. The overall water quality score for PO6 is 8.5/10.
Last sampled 2024-12-31 · 14,463 samples
This data is 15 months old. Newer data may be available soon.
Results from drinking water tests in Portsmouth.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Turbidity | 0.28 NTU | 4 NTU | 4 NTU | Safe |
| Conductivity | 580 µS/cm | — | — | Safe |
| Nitrite | 0.011 mg/L | 0.5 mg/L | 3 mg/L | Safe |
| Nitrate | 23 mg/L | 50 mg/L | 50 mg/L | Safe |
| Colour | 1.93 mg/L Pt/Co | 20 mg/L Pt/Co | — | Safe |
| Aluminium | 0.0081 mg/L | 0.2 mg/L | — | Safe |
Source: Stream Water Data Portal
General-purpose filters for common UK tap water concerns.

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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 PO6. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Manganese | 0.04 mg/L | 0.05 mg/L | 0.08 mg/L | Watch |
| Iron | 0.484 mg/L | 0.2 mg/L | 0.3 mg/L | Over limit |
| Aluminium | 0.161 mg/L | 0.2 mg/L | — | Watch |
Source: Environment Agency
We'll email you when water quality data changes for PO6.