Our library
All our published documents and leaflets are available for our customers to view and download.
Or browse our library:
Annual performance reports
Our Annual Performance Report contains information that allows customers and stakeholders to review our performance and to make comparisons with other companies in the sector.
Assurance framework documents
Our Final Assurance Plan sets out the actions we believe are necessary to address any of the risks and weaknesses we have identified.
Bioresources trading documents
View and download our latest bioresources trading documentation.
Codes of practice
Our Codes of Practice describe in more detail the services we provide, what your rights are as a household customer, and what to do if things go wrong.
Company statements
View and download the latest company statements, policies and schemes.
Environmental information
View and download documents, booklets and leaflets for our environmental plans, reports and duties.
Group annual report and accounts
Download the latest and previous Group Annual Report and Accounts.
Health and safety reports
View our latest Occupational Health and Safety Report.
Integrated management systems
View and download the latest company policy statements.
Leaflets and publications
Here you can find the latest customer support documents.
Browse our information sheets on your water supply.
Our charges
View and download our latest scheme of charges across our business areas.
Schedule of matters reserved for the board
View the Terms of Reference and Schedule of Matters Reserved for the Joint Board of Glas Cymru and Dwr Cymru.
Terms of reference
View and download the Terms of Reference of the joint Board of Glas Cymru and Dŵr Cymru Committees.
Water trading documents
View and download our latest water trading documentation.
Lead Information
View and download our lead information documents.
Consultation Responses
View and download our consultation responses.
PR24 Business Plan 2025-30
View and download our PR24 reports.
Briefings Library
These briefings were produced for candidates in each constituency at the 2026 Senedd Elections but are being published to allow customers to access them.