Water quality results for:
CH61 7UP

Here you can see what's in the water where you live. The report covers an average 12 month period, which is then updated weekly.

Water source

The water supply to this area comes from the River Dee.

Water quality

The water supply to this area can vary in hardness from moderately soft to moderately hard. The supply is low in naturally occurring fluoride and is not artificially fluoridated. For further information please follow the link on the 'About your water' page.

Quality control

There are strict regulations to ensure that drinking water meets the standards required by European Union legislation. We monitor the quality of water as it leaves our treatment works and service reservoirs to make sure that standards are being met. We also measure the quality of water as it reaches our customers. The region we supply is divided into 227 Water Supply Zones. The water supplied to a zone is usually from one water treatment works or service reservoir. All the test results for your Water Supply Zone are summarised in the Drinking Water Register, which can be viewed by selecting the "Full" tab below. This report covers a rolling 12 month period, which is updated weekly.

Typical water hardness: Slightly Hard
Hardness clark: 8.19
Date of update: 11/07/2025
Water supply zone: Heswall
Water supply zone ref: Z141
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Analysis Typical value UK/EU limit Units
Hardness Level Slightly Hard
Hardness Clark 8.19 Clark
Aluminium <6.58 200 µg Al/l
Calcium 37.8 mg Ca/l
Residual chlorine - Total 0.73 mg/l
Residual chlorine - Free 0.64 mg/l
Coliform bacteria 0 0 number/100ml
Colour <1.71 20 mg/l Pt/Co scale
Conductivity 323 2500 uS/cm at 20oC
Copper <0.0164 2 mg Cu/l
E.coli 0 0 number/100ml
Iron <12.7 200 µg Fe/l
Lead <0.571 10 µg Pb/l
Magnesium 5.56 mg Mg/l
Manganese <0.599 50 µg Mn/l
Nitrate 9.13 50 mg NO3/l
Sodium 21.9 200 mg Na/l

Water quality results for:
CH61 7UP

Sorry, there are no results for this post code.