Welcome to the ADA website

The Association of Drainage Authorities (ADA) is the association for water level management (WLM) organisations in the United Kingdom, with over 230 members. We are recognised as the national representative for Internal Drainage Boards (IDBs) in England and Wales.

Our website offers information, downloads and glossary of terms for the public about the water level management industry. Click on the images below to help navigate around our website:



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