As at end of No. of Connection
2006 127,435
2007 136,790
2008 148,036
2009 156,036
2010 163,211
2011 171,242
2012 182,202
2013 194,107
2014  207,563
2015  220,019
2016  236,424
2017 252,902
2018(April) 257,035
Connection varariation

 

The quality of water being supplied is tested regularly. Click here for a summary of test results taken island-wide.

Schemes which are presently in operation

 

Region Scheme Total no. of connections as end of April 2018 Average Monthly Production (m3/ month)
Dehiwala Region  Dehiwala 60,470 2,884,220
Moratuwa 47,210
Kalutara Region        Wadduwa 15,869 273,198
Kalutara 17,617 387070
Bombuwala 3,144 57,260
Pilaminawatte
Payagala 9,891 185,139
Beruwala 10,659 255,124
Aluthgama 10,322 182,655
Matugama 479 7,710
Panadura/Horana Region     Horana 11,728 228,676
Bandaragama 15,535 250,292
Keselwatte 41,999 828,362
Panadura
Ingiriya 1,312 19,800
Kubuka 8,339 127,167
Total 254,610  5,693,187

Service Standard Indicators

Service Indicators  At end of
April 2018
Regional Average
Water Coverage (%) Pipe System maintained by NWSDB 56.87%
Water Availability (hours) 24
Water Quality - Bacteriological Quality Compliance 100%
Water Quality - Bacteriological Testing Compliance 100%
Water Quality - All Samples Compliance 100%

Operational Indicators

Operational Indicators At end of
April 2018
Regional Average
Non-Revenue Water (%) 18.99%
Defective Meters per '000 connections 2.58
Operational Staff/ 1000 connection 2.94
Estimated Bills/ 1000 connections 21.79

Performance in Customer Service

Customer Service Indicators At end of
April 2018
Regional Average
Response to requests for new service connections (%) 95%
Customer Complaints Volume (Complaints/ 1000 connection) 17.96
Customer Complaints Sold 100%

Key Performance Indicators (KPIs)

Financial KPIs At end of
April  2018
Regional Average
Collection Ratio (%) 95%
 Accounts Receivable Period (months) 0.71
Operating Ratio 0.04
Average Tariff (LKR/ m3 ) 56 
Stock Efficiency (LKR/ connection) 1301