About us


ADA is the membership organisation for water level management (WLM) authorities in the UK and is also the recognised national representative for Internal Drainage Boards (IDBs) in England and Wales.

Established in 1937, today ADA represents over 230 members and associate members at a national and parliamentary level, including national agencies, local authorities, Regional Flood & Coastal Committees (RFCCs) as well as contractors, consultants and suppliers to the industry.

Follow the links in this section to find out more about our members and the work they do in your region. You can also find out how to become a member of ADA here.