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(October) 250,893
Conne-2017

 

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 October 2017 Average Monthly Production (m3/ month)
Dehiwala Region  Dehiwala 59,959 3,212,561
Moratuwa 47,038
Kalutara Region        Wadduwa 15,462 235,525
Kalutara 17,418 407,090
Bombuwala 3,078 51,150
Pilaminawatte
Payagala 9,796 192,342
Beruwala 10,596 238,222
Aluthgama 10,230 176,580
Matugama 479 8,673
Panadura/Horana Region     Horana 11,229 209,880
Bandaragama 14,914 235,445
Keselwatte 41,476 900,643
Panadura
Ingiriya 1,317 22,525
Kubuka 7,901 101,415
Total 250,893  5,992,051

Service Standard Indicators

Service Indicators  At end of
August 2017
Regional Average
Water Coverage (%) Pipe System maintained by NWSDB 56.81%
Per Capita Consumption (l/c/d) 136
Water Availability (hours) 24
Water Quality - Bacteriological Quality Compliance 100%
Water Quality - Bacteriological Testing Compliance 100%
Water Quality - All Samples Compliance 100%
Sewerage Coverage (%) 2%

Operational Indicators

Operational Indicators At end of
August 2017
Regional Average
Non-Revenue Water (%) 17.70%
Non-Revenue Water - m3/conn/day 0.19
Defective Meters per '000 connections 4.18
Operational Staff/ 1000 connection 3.11
Estimated Bills/ 1000 connections 8.58

Performance in Customer Service

Customer Service Indicators At end of
August 2017
Regional Average
Response to requests for new service connections (%) 100%
Customer Complaints Volume (Complaints/ 1000 connection) 104.3
Customer Complaints Sold 100%

Key Performance Indicators (KPIs)

Financial KPIs At end of
August 2017
Regional Average
Collection Ratio (%) 105%
 Accounts Receivable Period (months) 1.35
Operating Ratio 0.46
Average Tariff (LKR/ m3 ) 47
Stock Efficiency (LKR/ connection) 1344