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(July) 259,327
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 July 2018 Average Monthly Production (m3/ month)
Dehiwala Region  Dehiwala 60,931 3,192,400
Moratuwa 47,501
Kalutara Region        Wadduwa 16,215 253,466
Kalutara 17,887 393,178
Bombuwala 3,217 53,450
Pilaminawatte
Payagala 10,005 165,550
Beruwala 10,830 272,479
Aluthgama 10,503 185,738
Matugama 479 8,426
Panadura/Horana Region     Horana 12,268 262,570
Bandaragama 15,964 294,934
Keselwatte 42,885 956,412
Panadura
Ingiriya 1,312 21,810
Kubuka 9,330 146,258
Total 259,327  6,206,690

Service Standard Indicators

Service Indicators  At end of
July 2018
Regional Average
Water Coverage (%) Pipe System maintained by NWSDB 56.97%
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
July 2018
Regional Average
Non-Revenue Water (%) 15.68%
Defective Meters per '000 connections 3.86
Operational Staff/ 1000 connection 2.91
Estimated Bills/ 1000 connections 8.11

Performance in Customer Service

Customer Service Indicators At end of
July 2018
Regional Average
Response to requests for new service connections (%) 95%
Customer Complaints Volume (Complaints/ 1000 connection) 20.67
Customer Complaints Sold 100%

Key Performance Indicators (KPIs)

Financial KPIs At end of
July  2018
Regional Average
Collection Ratio (%) 95%
 Accounts Receivable Period (months) 0.21
Operating Ratio 0.04
Average Tariff (LKR/ m3 ) 56 
Stock Efficiency (LKR/ connection) 1273