A Deputy General Manager (DGM) heads the Western North RSC with an Assistant General Manager (AGM) providing support in running the RSC unit. The O&M activities are divided by regions namely the Gampaha Region and the Towns North of Colombo (TNC) region and are managed by two different regional managers. The principal RSC functions are to provide necessary support to the two regional offices in the day to day O&M activities and to provide help and guidance in the ongoing scheme rehabilitation, and augmentation work.

The O&M managers report to the DGM through the AGM and all RSC functions are monitored by the Additional General Manager for Western Zone. The RSC provides services to the regional offices only within their capacity; any additional help as necessary is obtained from the head office (HO) through the respective Additional General Manager.

gampaha map

Click on below link to View or Download the original map published by the Survey Department of the Government of Sri Lanka.

As at end of No. of Connection
2006 114318
2007 121535
2008 128851
2009 133387
2012 177981

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 31st December 2009 Average Monthly Production (m3/ month) Total no. of connections as end of 31st December 2012
Towns North of Colombo Kelaniya 94105 3081735 128039
Biyagama
Ja-Ela
Gampaha Region Kirindiwela 744 15433 49942
Ranpokunagama 2238 78926
Gampaha 3509 110143
Udugampola 100 1686
Bataleeya 424 12534
Yakkala 1911 37413
Veyangoda/ Nittambuwa 3420 71389
Raddoluwa 4786 146775
Mirigama 899 13615
Pugoda 953 17860
Negombo 17639 600355
Divulapitiya 1899 31578
Minuwangoda 760 12041
Katunayake These schemes are now integrated with other Schemes  
Malwana  
Mabima Heiyanthuduwa  
Galahitiyawa  
Urapola  
Dompe  
Total 133387 4231483  

Ongoing Projects

Small and Medium Water Supply Projects
Project Name No. of Beneficiaries Total Cost Estimate (Rs. Million) Duration
From To
Kirindiwela Water Supply 8000 198.0 May 1998 Dec 2013
Nittambuwa/ Veyangoda Water Supply 12000 210.7 Oct 1999 Dec 2013
Katunayake WS - Stage WS 1 & II 29000 470 Jan 2005 Dec 2014
Large Scale Water Supply and Sanitation Projects
Project Name (Donor) No. of Beneficiaries Total Cost Estimate (Rs. Million) Duration
From To
Augemntation of Negombo Water Supply (DUTCH) 137,500 6,791.0 2007 2013
Inter-District Projects
Water Treatment Facilities Moratuwa/ Panadura, Ambatale and in Negombo (Spanish) [Formerly Galagoda Water Supply Scheme] 10,000 2,690.0 Oct 2007 Dec 2009

Please click here to view / download full contact list for Regional Support Centre (Western - North)

Postal Address : Regional Support Centre (Western - North)
National Water Supply & Drainage Board
433/4A, Ganemulla Road,
Kadawatha.
Telephone : +94 11 2922131, +94 11 2922137, +94 11 2922145,
+94 11 2922129, +94 11 2927177
Fax : +94 11 2922146
Name & Designation Mobile E-mail
Mrs. M.K. Bandara
Deputy General Manager
+94 77 7591527 This email address is being protected from spambots. You need JavaScript enabled to view it.
Mrs. M.R. Nandawathie
Assistant General Manager
+94 77 2442076 This email address is being protected from spambots. You need JavaScript enabled to view it.

Managers (Operational & Maintenance)

Name & Designation Telephone Fax Mobile E-mail
Mr. K.S.A.U. Gunenayake
(Gampaha)
Responsive Areas: Gampaha, Negombo, Veyangoda, Nittambuwa, Yakkala, Raddoluwa, Divulapitiya, Meerigama, Minuwangoda, Pugoda, Bataleeya, Ranpokunagama
+94 33 2231464, +94 11 2232718 +94 33 2231464, +94 11 2232718 +94 77 2265505 This email address is being protected from spambots. You need JavaScript enabled to view it.">managergam
@waterboard.lk
Mr. A.S. Wijerathna
(Towns North of Colombo)
Responsive Areas: Kelaniya, Biyagama, Ja-Ela, Dompe, Wattala, Ragama, Kandana, Mahara
+94 11 2909854 +94 11 4741981 +94 71 8240948 This email address is being protected from spambots. You need JavaScript enabled to view it.">managertnc
@waterboard.lk

Service Standard Indicators

Service Indicators  RSC (Western - North) 2008
Towns North Gamapaha Regional Average
Water Coverage (%) Pipe System maintained by NWSDB 39.4% 13.0% 25.1%
Per Capita Consumption (l/c/d) 117.3 116.7 117.1
Water Availability (hours) 23.5 16.4 21.4
Water Quality - Bacteriological Quality Compliance n/a n/a 94.7%
Water Quality - Bacteriological Testing Compliance n/a n/a 100%
Water Quality - All Samples Compliance n/a n/a 95.8%
Sewerage Coverage (%) 0.0% 3.4% 2.5%

Operational Indicators

Operational Indicators RSC (Western - North) 2008
Towns North Gamapaha Regional Average
Non-Revenue Water (%) 22.9% 17.0% 24.1%
Non-Revenue Water - m3/conn/day 0.25 0.17 0.23
Defective Meters per '000 connections 30 100 51
Total Staff/ 1000 connection 3 8 5
Operational Staff/ 1000 connection 2 6 3
Estimated Bills/ 1000 connections 161 41 126

Performance in Customer Service

Customer Service Indicators RSC (Western - North) 2008
Towns North Gamapaha Regional Average
Response to requests for new service connections (%) 98.5% 86.2% 95.8%
Customer Complaints Volume (Complaints/ 1000 connection) 90.3 154.4 109.1
Customer Complaints Resolution 95.5% 73.0% 86.2%

Key Performance Indicators (KPIs)

Financial KPIs RSC (Western - North) 2008
Kelaniya Gamapaha Regional Average
Collection Ratio (%) 104.5% 98.7% 102.0%
Accounts Receivable Period (months) 5.9 2.1 4.2
Collectable Accounts Receivable Period (months) 2.4 0 1.4
Operating Ratio 1.02 1 1.01
Production Cost (LKR/ m3 Produced) 13.72 26.39 17.08
Average Tariff (LKR/ m3 Sold) 13.04 26.03 16.68
Stock Efficiency (LKR/ connection) n/a n/a 2189