Belgaqua is the professional federation representing the public services of drinking water and waste water treatment in Belgium and consists of three regional associations.

Conformity inspection

Conformity inspection of appliances that are connected to the water distribution network and certification of protections against water backflow.

Worksheets for non-domestic use
Check a reference


Approval of materials

Belgaqua inspects the conformity of materials used by the Belgian distributors of water as required by the Hydrocheck system.

Approved materials
Check the composition
Access to the procedure


The new Belgaqua Repertorium has arrived (available in FR and NL).



Reference book : Water Towers in Belgium: Unity into Diversity

Available in French or Dutch Price: 12,39 Euro (VAT incl.) + delivery costs (Belgium: 6,79 Euro/ex.. For other countries according to international parcels tariff)

Water statistics 2018, Belgium

Surface water production 264.182.000 m3 (36,6 %)
Ground water production 456.429.000 m3 (63,4 %)
Total production 720.611.000 m3
Accounted for consumption 581.746.000 m3
Domestic consumption (l/pers/day) 94,8
Number of water services 53
Not-accounted for water volumes (*) 21,2 %
Staff of the water services (FTE) 6821,14
Number of connections 4.681.818
Length of the pipes (km) 108.660

(*): metering inaccuracy, network maintenance, backwash filters, fire fighting, public uses, losses and leakages,…