Welcome to Nithi Water and Sanitation Company

Nithi Water and Sanitation Company (NIWASCO) was incorporated on 6th April, 2006 as a legal entity under the company’s Act Cap. 486 laws of Kenya as a public limited company by guarantee of the government of Kenya with no shareholding but with stakeholders’ representation. This followed as a result of enactment of water Act 2002 which ushered in the reforms in the water sector. The company is an agent of Tana Water Services Board (TWSB-a state corporation) which is licensed to provide domestic water and sanitation services in five counties including Tharaka NIthi County.

Our Mandate is To provide safe domestic water and enhancement of sanitation services within its area of jurisdiction which includes Chuka, Chogoria , Katwana,Mutonga and Kibunga.This mandate is achieved through operating and maintenance of water infrastructure.

Ongoing Projects

Laying of Marimanti town water supply network


How To PAY

You can now pay for exhauster services using:

Account number:1219598690
Then forward message to : 0740428231


Pay your water bill using paybill number 901325,for Chuka,Chogoria,Kathwana and Mutonga customers.

For Kibunga customer paybill number is 802064

Pay your water bill conveniently at any Postbank Branch or Mashinani Agent countrywide.

You can now pay your water bill at any of the post bank branches or agents countrywide

You can make payments at any Co-op Bank or Agents Countrywide.

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Quick actions

Filling of application forms for new connections.

The Customer care desk will always be available to guide every applicant on how to fill the form correctly.

A survey is carried out at customer’s premises by  Meter reader and line patroller so as to determine the requirements needed.

Customer will be required to make payments and installation process kicks off.

Every customer is provided with a meter upon payment of a refundable deposit as per our tariffs.

During the installation of a new connection, the customer will be guided on  how to maintain the service line, meter protection and what to do incase of water leaks and economical use of water.

The customer will receive his or her first bill within one month from the connection date.

Our aim is to ensure each and every customer enjoy our services without interruption, but ensuring customer has adequate time to pay. These include;

Ensuring customer receives his/her bill on time.

Ensuring bill posted are clearly indicating deadline date.

14 days is given for customer to have cleared his/her water bill.

Before disconnection is done to ensure all payments are up-to-date.

During disconnection if a customer produces proof of payment such as receipts, effect the re-connection of service.

First disconnection to be effected through a rubber seal.

Failure to pay within one month, a disconnection from the main to be effected.


Clear full payment of the amount due.

Part payment and, signing of agreement to pay the balance by installment.

Payment of reconnection fee as per our tariffs

Reconnection is done within 24 hours.