We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
Your tap water should be clear and bright - water quality advice, reporting problems, how to complain
This external quality assessment (EQA) scheme is particularly suited to laboratories in the water testing and clinical microbiology sectors that examine hospital tap waters.
Comply with good manufacturing practice (GMP) and good distribution practice (GDP), and prepare for an inspection.
The Department of Health continues to recommend that NHS Trusts Quality Accounts get external assurance.
Advises on how planning can ensure water quality and the delivery of adequate water and wastewater infrastructure.
This series brings together all documents relating to water quality and abstraction statistics.
We work across government and beyond to make data better. DQHub is part of the Office for National Statistics .
Formerly part of M18, how to prepare and interpret analytical quality control (AQC) charts to verify the performance of your monitoring method.
Formerly part of M18, technical guidance for industrial plant operators (and their contractors) who monitor effluent discharges to water and sewer.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab and requires JavaScript).