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CHALIWASA has Computerized Billing Software called SMART BILLING MANAGER “SBM” assembled by OIKOS T Ltd.
Mater reading circle starts every month from 20th up to 24th , where it recorded into meter reading sheets. The meter readings are entered in the system “SBM” by the Authority’s billing data entry clerks. Cleaning for some errors on reading are performed by our clerks together with respective meter readers, the aim is to get actual cleaning of errors.

Billing Processing

After all the corrections in the meter readings, bills are processed through our Computerized Billing Software – Smart Billing Manager “SBM” and printed. After all bills are printed, it’s sorted according to routes for each zone and delivered to all customers through hand delivery by our meter readers for the period of five days this is done every 3rd to 7th of every month . Corrections are done in the bill to check the validity before dispatched to the customer.

Bill Payments

You can pay your water bill and arrears at our office located:-

  • Wami Head Office – Near wami bridge
  • Chalinze Branch - Kudiembe street

Also you can pay your bill through our Bank Account at NMB CHALINZE BRANCH:


  • You should pay your current bill and arrears within seven days from the dispatched date.
  • After fourteen days elapsed without payment of current bill and arrears, water service will be DISCONNECTD IMMEDIATELY.

Remember to come with your current bill during payment purposely to cross check the actual payment for the water consumptions. CHALIWASA offices located Wami – Head Office, Chalinze at Kudiembe street.

Service Hours

Monday - Friday (Excluding Public Holiday): 7:30 AM – 4:30 PM