Southwark, England
Your water in SE23
Southwark, Southwark
Your water is safe
We checked 5 things and found nothing to worry about
Excellent5
Tests run
All clear
To watch
Thames Water
Your water company
Apr 2026
Last checked
Based on government water tests, your water in SE23 (Southwark) is supplied by Thames Water. Based on the latest data (last sampled 2000-01-11), 5 parameters were tested with 0 exceeding recommended levels. The overall water quality score for SE23 is 9.1/10.
What we found
Here's what government tests found in water near you.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| pH Source: Environment Agency | 7.2 pH | — | — | Safe |
| Conductivity Source: Environment Agency | 645 µS/cm | — | — | Safe |
| Nitrate Source: Environment Agency | 5.12 mg/L | 50 mg/L | 50 mg/L | Safe |
| Phosphate Source: Environment Agency | 0.099 mg/L | — | — | Safe |
| Manganese Source: Environment Agency | 0.02 mg/L | 0.05 mg/L | 0.08 mg/L | Safe |
How it's changed
SE23quality score, 2020–2026
Water quality has improved over the past 6 years.
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Filters for your area
Picked to match what we found in your water
BRITA
MAXTRA PRO All-in-1
Filter Jug
Removes
- Chlorine
- Lead
- Copper
+1 more
ZeroWater
Ready-Pour 10-Cup
Filter Jug
Removes
- Pfas
- Lead
- Chlorine
+2 more
Osmio
Zero Installation Reverse Osmosis
Countertop
Removes
- Pfas
- Lead
- Nitrate
+4 more
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