At 6:15 one morning, residents of a growing community arrived at their usual water collection point carrying jerrycans, buckets and small water tanks.
They turned the taps, but nothing came out.
The borehole pump had stopped working during the night.
Within an hour, a long queue had formed. Families needed water for cooking, washing and preparing children for school. Nearby businesses could not clean their premises. A small poultry farmer worried about how long his birds could manage without water.
The community water committee immediately contacted a technician. After inspection, the technician confirmed that the pump required urgent repairs.
That was when a more troubling problem emerged.
The community had been collecting water payments for several years, yet there was not enough money available to pay for the repair.
The borehole had been supplying water every day. Hundreds of containers had been filled. Several households had private connections. Local businesses were using significant quantities.
So where had the money gone?
The answer was not one dramatic theft. It was a collection of small weaknesses that had slowly damaged the project:
- Some users paid at the end of the month but regularly delayed payment.
- Cash collected at the water point was recorded manually.
- Several households disputed their estimated bills.
- Some users collected water on credit.
- Meter readings were not always taken consistently.
- Leakages and uncontrolled consumption went unnoticed.
- Committee members could not easily confirm how much water had been supplied against the money received.
The borehole had plenty of water, but its payment system could not sustain it.
That experience led the committee to consider a better approach: Dotmobi STS prepaid water meters supported by an M-Pesa-enabled token-management platform.
A Water Project Must Be Able to Finance Its Own Operations
Drilling a borehole is only the beginning of a successful water project.
The system must also pay for electricity, pumping, treatment, security, maintenance, staff, repairs and eventual equipment replacement. Where users consume water before paying, the project operator carries the financial risk.
A community water scheme may appear busy and successful because many people are collecting water. However, high consumption does not necessarily mean that the project is collecting enough revenue.
Manual and postpaid systems frequently create challenges such as:
- Unpaid water bills
- Unrecorded collections
- Estimated consumption
- Disagreements over meter readings
- High payment-follow-up costs
- Weak accountability
- Excessive water use
- Insufficient maintenance funds
A prepaid system changes this position by connecting consumption directly to available credit.
Users purchase water credit before consumption. The meter measures the water supplied and deducts the corresponding value from the available balance.
The project therefore collects revenue before delivering the service.
How Dotmobi Prepaid Water Meters Work
The Dotmobi STS prepaid water meter works through a secure pay-before-use system that is similar to the prepaid electricity model familiar to many Kenyan consumers.
The process is straightforward:
- The customer purchases water credit.
- Payment can be made through M-Pesa using the supported vending platform.
- After payment is confirmed, the system generates a secure water token.
- The customer enters the token through the meter interface or Customer Interface Unit.
- The purchased credit is loaded into the meter.
- The meter measures the volume of water consumed and deducts it from the available balance.
- When the credit is exhausted, the meter’s internal valve controls the water supply until more credit is loaded.
This allows each customer to determine how much water credit to purchase according to their household needs and budget.
Learn more about the technology on the Dotmobi cloud-based IoT platform page.
The First Change Was Not at the Borehole
After prepaid water meters were introduced, the most visible change did not happen at the pump.
It happened in the water committee meetings.
Previously, meetings were dominated by questions:
“Who has not paid?”
“Why does the cashbook not match the meter readings?”
“Which households should be disconnected?”
“How much water was supplied last month?”
“Why is there no money for maintenance?”
Under the prepaid arrangement, water credit was purchased before use. M-Pesa payments provided a clearer transaction trail, while secure tokens connected payments to the relevant meters.
The committee no longer had to depend entirely on handwritten records, promises and end-of-month collections.
The system began protecting the project’s revenue one transaction at a time.
M-Pesa Makes Prepaid Water More Practical in Kenya
A prepaid meter is most useful when customers can purchase credit easily.
Dotmobi has developed a local prepaid water-management platform through which customers can pay for water credit using M-Pesa. Once payment is confirmed, the platform generates the appropriate prepaid water token.
The customer can then enter the token into the Customer Interface Unit or supported meter interface.
This integration offers several advantages:
- Customers can purchase water credit using a familiar payment method.
- Tokens can be generated after payment confirmation.
- Water providers reduce dependence on manual token issuance.
- Cash-handling risks are reduced.
- Payment accountability improves.
- Landlords and project managers can support multiple meters.
- Customers can top up without waiting for monthly billing.
By bringing together the meter, payment process and token-generation platform, Dotmobi provides more than a standalone measuring device.
It provides a practical prepaid water-management solution for the Kenyan market.
Protecting the Maintenance Fund
When water is sold through an informal or weakly controlled system, money intended for maintenance can easily be lost through arrears, unrecorded consumption and collection gaps.
A prepaid water meter helps the operator collect before supplying water.
This creates a better foundation for setting aside funds for:
- Pump servicing
- Electricity costs
- Water treatment
- Pipe repairs
- Replacement of valves and fittings
- Borehole maintenance
- Emergency breakdowns
- Future system expansion
The technology does not eliminate the need for good management. It gives management more reliable information and a stronger revenue-collection process.
For the community in our story, this was the most important lesson: a borehole should not wait until it breaks down to discover that its collection system has failed.
Fairness for Every Water User
Water disputes often arise when customers believe they are paying for someone else’s consumption.
A household with two people may object to receiving the same bill as a household with eight people. A shopkeeper may complain that a neighbouring car wash uses more water while paying a similar monthly charge. A tenant who travelled for several weeks may challenge an estimated bill.
Prepaid water meters reduce these disagreements because each user purchases and consumes their own credit.
Those who use more water pay more.
Those who conserve water spend less.
The result is a fairer and more transparent system for both the consumer and the water provider.
Encouraging Responsible Water Consumption
When water is supplied under a fixed or unclear monthly charge, users may not feel the immediate financial effect of wastage.
A tap can remain partially open.
A leaking toilet can go unreported.
Vehicles can be washed using more water than necessary.
With prepaid water metering, customers can see that unnecessary consumption reduces their available credit. This encourages faster reporting of leaks and greater attention to everyday water use.
Prepaid metering therefore supports both revenue protection and responsible water management.
Important Features of Dotmobi STS Prepaid Water Meters
Secure STS Token Technology
STS-compliant meters use secure token-based credit loading. This supports structured and controlled prepaid utility management while reducing the risk of unauthorized credit loading.
Customer Interface Unit
A split-type system can include a separate Customer Interface Unit. Customers can use the unit to enter tokens and check meter information without needing direct access to the main water meter.
Automatic Valve Control
The meter’s internal valve controls water delivery according to the available credit. When the credit is exhausted, supply is restricted until the customer purchases and loads additional credit.
Accurate Consumption Measurement
Water is measured according to the quantity consumed rather than through estimates or unclear shared calculations.
M-Pesa Token Purchasing
Customers can conveniently pay for water credit through M-Pesa, after which the supported system generates the appropriate token.
Improved Payment Accountability
Digital payment confirmation and token generation create a clearer relationship between money received and water credit issued.
Where Prepaid Water Meters Can Be Used
Although the story began with a community borehole, prepaid water meters in Kenya can be used in many environments.
They are suitable for:
- Community water schemes
- Borehole projects
- Apartments and rental houses
- Gated communities
- Hostels and staff quarters
- Schools and colleges
- Hospitals and health facilities
- Factories
- Churches and institutions
- Commercial buildings
- Farms
- Water vending points
- Private water suppliers
- Landlords managing multiple tenants
Any organization that supplies water to multiple users can benefit from improving measurement, payment collection and accountability.
Benefits for Landlords and Property Managers
Landlords often find themselves paying the main water supplier before collecting money from tenants. Where tenants delay payment, the landlord effectively finances their water consumption.
Prepaid meters help reverse that arrangement.
Tenants purchase their own water credit before consumption. This can help landlords:
- Reduce water arrears
- Separate water payments from rent
- Minimize billing disputes
- Improve cash flow
- Reduce the caretaker’s collection workload
- Encourage tenants to conserve water
- Improve fairness across the property
The caretaker can concentrate on managing the property instead of spending the first half of every month chasing water payments.
Benefits for Institutions and Businesses
Schools, hospitals, factories and commercial facilities may have different departments, tenants, staff houses or operating units using water from the same source.
Without individual measurement, management may know the total amount of water consumed but fail to identify where it was used.
Prepaid or individually controlled metering can improve accountability by assigning consumption to the relevant user or section.
This can help institutions control costs, investigate unusual consumption and allocate water expenses more accurately.
Choosing the Right Prepaid Water-Metering Solution
Before installing prepaid water meters, the property owner or water-project manager should assess:
- The number of users or connections
- Existing pipe sizes and layout
- Expected water-consumption levels
- Meter installation points
- Accessibility of Customer Interface Units
- The required payment and token-vending arrangement
- Future expansion requirements
- Installation and commissioning support
- Maintenance and after-sales requirements
Dotmobi can assess the application and recommend an appropriate meter configuration for apartments, institutions, boreholes, community projects and commercial premises.
Frequently Asked Questions About Prepaid Water Meters in Kenya
What is a prepaid water meter?
A prepaid water meter measures water consumption while deducting the cost from credit purchased in advance. Users top up the meter before using water instead of receiving a bill after consumption.
Can prepaid water credit be purchased using M-Pesa?
Yes. Dotmobi’s supported prepaid water-management platform allows customers to pay through M-Pesa, after which a secure water token is generated.
What happens when the water credit is finished?
When the available credit is exhausted, the meter’s internal valve controls the supply. Water becomes available again after the customer purchases and loads additional credit.
Are prepaid water meters suitable for boreholes?
Yes. They are particularly useful for borehole projects, community water schemes and private water suppliers because they improve revenue collection and connect consumption to payment.
Can landlords install separate meters for tenants?
Yes. Individual prepaid meters can help ensure that each tenant purchases and pays for their own water consumption.
Do prepaid water meters help reduce wastage?
They can encourage responsible consumption because users can relate their water use directly to their remaining credit and personal expenditure.
What does STS mean?
STS means Standard Transfer Specification. It is a secure standard used for transferring prepaid utility credit through tokens.
Do Not Wait for the Pump to Stop
A broken pump can be repaired.
A failed payment system is more difficult because it quietly weakens a water project every day.
The borehole in our story did not fail because the community lacked water. It failed because consumption and payment had been allowed to move in different directions.
Prepaid metering brought them back together.
Every token represented confirmed payment.
Every litre consumed reduced the available credit.
Every customer became responsible for their own usage.
Most importantly, the water project gained a better opportunity to collect the revenue needed to keep operating.
Water infrastructure must be sustainable. It should serve users today while remaining financially prepared for tomorrow’s electricity bill, service requirement or emergency repair.
With Dotmobi prepaid water meters in Kenya, landlords, institutions, borehole operators and community water projects can move from uncertain collections to a more organized pay-before-use system.
Explore the Dotmobi STS Prepaid Water Meter or learn more about Dotmobi’s smart metering and IoT solutions.
For product enquiries, installation guidance or a quotation:
Call: +254 722 761 322
Email: info@dotmobi.co.ke
Website: www.dotmobi.co.ke
Contact page: Contact Dotmobi LLP