The main resources of the Office are :

• The Drinking Water Development Fund;
• The National Water Fund;

Exceptionally :

• Investment equilibrium subsidies;
• Grants from public or private organizations, national or international;
• The proceeds of its movable or immovable property, the proceeds of the borrowings made under the conditions provided for by the texts in force;
• Proceeds of royalties and dues of any kind, the collection of which shall have been duly authorized by the Government;
• Proceeds from the sale of its works and services;
• Donations and bequests;