1939 Hotline

 

ඇමතුම් විස්තර

Groundwater Resources &
Investigation Section
National Water Supply & Drainage Board
Thelawala Road, Ratmalana
 

Tel: 011-2636584
Fax: 011-2622911

Assistant General Manager
N/A
 
Tel: 011-2622911
Fax: 011-2622911
Email: agmgw@gmail.com