Drinking Water: Safety
Commons · Question 76393 · Tabled 10 Sep 2025 · Department for Environment, Food and Rural Affairs · Official record
Answered 17 Sep 2025
Question
Asked by Andrew Snowden
To ask the Secretary of State for Environment, Food and Rural Affairs, how frequently drinking water is tested for compliance with (a) microbiological and (b) chemical safety standards.
Answer
Answered by Emma Hardy, 17 Sep 2025
The sampling frequency for drinking water is set out in Schedule 3 of The Water Supply (Water Quality) Regulations 2016 including which parameters are sampled at which point in the system, with some variation depending on factors such as treatment chemica...