VWASS1500 - Introduction: other guidance on subjects related to supplies of water
The following VAT Notices also provide information regarding water and sewerage;
VAT Notice 700: the VAT guide (GOV.UK)
VAT Notice 701/14: food (GOV.UK)
VAT Notice 701/19: fuel and power (GOV.UK)
VAT Notice 708: buildings and construction (GOV.UK)