Office National de l'Assainissement (ONAS)
ONAS is a public institution of an industrial and commercial character, enjoys civil status and financial autonomy and is placed under the authority of the Ministry of Agriculture and the Environment.
32, rue Hédi Nouira
Tunis
1001
Tunisia
boc(at)onas.nat.tn
+ 216 71 343 200
+216 71 350 411
