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Contact Details
Groundwater Resources &
Investigation Section
National Water Supply & Drainage Board
Thelawala Road, Ratmalana
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
Fax: 011-2622911
Email: agmgw@gmail.com