Our Services

Oloolaiser Water and Sewerage Company’s core business is to ensure that residents of Ongata Rongai, Kiserian, and Ngong townships and their environs have access to clean water and to basic sanitation services.

Water Supply

Supply and distribution of clean water to households and businesses

Water Treatment

Treatment of Water for human consumption and complies with KEBS and WHO standards.

Installation of Pipe network

Installation and maintenance of water distribution pipe networks within our Cluster Area

Installation of water Meters

Installation of water meters to ensure efficacy

Sanitaion

We offer state of the Art sanitation services

Sewarage services

We strive to make sure we have dealed with the seware problem in our Towns

About us

Oloolaiser Water and Sewerage Company Limited is a water service provider incorporated on 30th June 2006 under the Company’s Act, Cap 486. The company is a wholly owned subsidiary of the County Government of Kajiado and has its headquarters at Isalu Centre Ground Floor along Magadi Road in Ongata Rongai.The company has Customer Care Offices at Ongata Rongai Chief’s Office,Gataka Assistant County Commissioner’s Office, Nkaimurunya,Kiserian Water Office, Matasia,Ngong,and Bulbul trading centre.

The Company’s formation arose from the enactment of the Water Act 2002, which created new institutions to manage water resources and services in Kenya, The Company took over provision of water and sewerages services from the Ministry of Water and Irrigation and National Water Conservation and Pipeline Corporation who were responsible for water services in Ngong,Ongata Rongai and Kiserian Townships.

The Company operates under a service provision agreement with Tanathi Water Services Board, a state corporation to provide sustainable and efficient water and sewerage services within Ongata Rongai, Kiserian, Ngong, Kahara, Silanga and their environs and still expanding coverage.

Oloolaiser Company Portfolio

We serve clients ranging from institutions,Industries( manufucturing),Homes and Hotels

Project Completed

Completed,Implimented

Project Completed

Completed,Implimented

Project Completed

Completed,Implimented

Project Completed

Completed,Implimented

Project Completed

Completed,Implimented

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Project Completed

Completed,Implimented

Project Completed

Completed,Implimented

Project Completed

Completed,Implimented

The Management Team

We have a Team of vibrant Technical and hand-on experience Managers

Anne Mwangi

Managing Director

Elenah Wamututi

Finance Manager

Wilson Munguti

Commercial Manager

Alpha Mosomi

Technical Manager

Faith Lekatoo

HR/ADMINISTRATION Manager

12000

Happy Customers

1000

Daily Customers services

10

National/International Partners

24/7

Clean Water Supply

Oloolaiser Water Tariffs

As a public limited Company,we adhere to the guideline on National and international water set up tarrifs guidelines for compliance.Please Go to our download page for downloads on More information on tariffs guidelines by Water Services Regulatory Board

Residentail/Domestic

kshs.53.33/6 meter-Cubics
Apply for Connection

Institutions/Schools

kshs.40.00/6 meter-Cubics
Apply for Connection

Water-Kioks

kshs.35/6 meter-Cubics
Apply for Connection

Recent Blogs

We keep you upadated on all matters pertaining Oloolaiser water Company And all activities with our stake-holders

The County Goverment of Kajiado

November 09, 2017 in Photography

The County Water sector has been streamlined for better services.

The Ministry of Water

November 09, 2017 in Photography

Infrastructural Development partnership with Water Ministry.

The National Water Trust Fund

November 09, 2017 in Photography

The National Water Trust Fund Congratulates Oloolaiser water Company

Contact Us

Our Head office is in Ongota-Rongai,Isalu centere,Along Magadi Road.We have settlite Offices at Upper Rongai,Kiserain,Matasia and Ngong. There are Customer care officers at each of these branch offices to help and assist our Customers.

Our Head office is in Ongota-Rongai,Isalu centere,Along Magadi Road.We have settlite Offices at Upper Rongai,Kiserain,Matasia and Ngong