Water Quality in London

Supplied by Thames Water

A
Overall Water Quality Grade

Key Measurements

Hardness 260 ppm
Lead 1.2 ppb
Chlorine 0.58 ppm
Nitrate 24 ppm
Iron 8 ppb
Fluoride 0.14 ppm
Copper 23 ppb
pH Level 7.8 (ideal: 6.5 - 9.5)
Good news:
  • low lead levels

Recommendations

Very hard water areaImportant

Hardness at 260 mg/l. Water above 200 mg/l is classified as very hard. Hard water causes limescale buildup in kettles and appliances, reduces soap lathering, and can leave hair feeling dry or stiff.

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Water quality varies by neighbourhood. Get precise data for your address in London.

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