Under Sindh Government Rules of Business 1986 Following are Mandates Given to Irrigation Department (Excluding Power/Energy Rules)

1. Barrages, construction work and all matters connected therewith

2. Flood Control Scheme

3. Irrigation

a) Rivers and riverian surveys.
b) Construction and maintenance of canals.
c) Tube-wells and other water utilization Scheme.
d) Embankments
e) Drainage;
f) Storage of water and construction of reservoirs; and
g) Matters pertaining to distribution of river supplies.

4. Kinjhar Lake.

5. Land Reclamation schemes and administration of the Soil Reclamation Act,1952.

6. Water logging and salinity schemes.

7. Services matters (except those entrusted to the Services, General Administration and Coordination Department).