The Irish Onsite Wastewater Association (IOWA) is a voluntary association with the goal of improving the standard of professionalism in the onsite wastewater in Ireland.

Membership comprises a broad range of cross disciplines including tank manufacturers, system installers, site assessors, council staff, trainers and policy makers, industry manufacturers and suppliers, system designers, architects, operators and maintenance professionals.

To view the current listing of IOWA Members, please click here.

New members are welcome and the renewal date for annual membership of €50 payable is 1st October each year.  Membership is also available as a part of the annual conference fee.

To become an IOWA member

  1. Download the IOWA Membership form  
  2. Attach the filled out form with a cheque for €50 payable to IOWA
  3. Send the cheque and completed form to IOWA, 2 Rinawade Lawns, Leixlip, Co. Kildare.
  4. Alternatively you can provide us with invoicing details and we will issue an invoice for payment