Check your water quality
Your water has won the highest environmental award in the industry - six years in a row. We're the only water company in the country to have achieved that.
Type in your postcode and see exactly what's in yours.
Check my Water Quality
Data updated upto Feb 28 2026
We could not find information about your area, this could be because of one of the following reasons:
- The postcode entered is incorrect (please double check).
- The postcode may be new and it may have been generated after the water quality data was gathered and published.
- The postcode entered may exist outside of the Severn Trent Water Ltd region or may have its water supplied by another water company (e.g. South Staffs Water).
PCV
Prescribed Concentration or Value - The UK Limit
mg/l
is equivalent to one part per million
μg/l
is equivalent to one part per billion
NTU
Nephelometric Turbidity Units - the measure of cloudiness in the water
Dilution number
is a standard method for detecting taste and odour
mg/l Pt/Co
is a reference scale for assessing the clarity of the water
μS/cm
measures the natural mineral composition
Hardness Level
the three measures shown are the most common used by washing machine manufactures
Less than (<)
means that this is the lowest value that the high quality equipment can measure
Download a detailed report on the quality of water in your area