Updated on January 3, 2024


Created on September 27, 2018

Water Dispensation Unit (WDU)


Water Dispensation Units (WDUs) are stand-alone water vending machines which provide safe drinking water.

Developed By
  1. Water Health Centre
Tested By
  • National Accreditation Board for Testing and Calibration Laboratories (NABL)
Content Partners


Product Description

Water Dispensation Unit, a capital business unit by Waterhealth, is a stand-alone, smart card based water vending machine which dispenses safe and healthy water from 500ml to 20L.

Target SDGs

SDG 6: Clean Water and Sanitation

SDG 7: Affordable and Clean Energy

Target Users (Target Impact Group)


Distributors / Implementing Organizations

Waterhealth has partnered with both government and private implementing organizations.

Competitive Landscape

Direct competitors include JanaJal Safe Water ATM and Sarvajal Water ATM.

Manufacturing/Building Method


Intellectural Property Type


User Provision Model

The user can contact the respective regional office for the purchase.

Distributions to Date Status

As of 2017, 50 WDUs have been installed in India.

Description of system

Water ATM

Integrated treatment (yes/no)

Yes, UV sterilization

System flow rate (L/min)


Maximum number of customers served

5 million people

Compatible water sources

Piped system

Design Specifications

WDU has some special design features such as built-in RFID Technology for smart card dispensation. The water is cleaned through 6 stage filtration process including reverse osmosis and UV+ sterilization. The system gives automatic alerts to refill the water storage tank when it reaches low level and operates on solar power with a back up battery for 2 hours of additional power. The system can dispense water in quantities between 500 ml to 2 L. WDU has a water storage tank, optional dispensing pump, one dispensing tap and power system consisting of a solar panel, inverter and battery which can extend the safe water coverage area. It also has a built-in RFID Technology for smart card dispensation.

Product Schematics

Technical Support

Provided by the manufacturer.

Replacement Components




Manufacturer Specified Performance Parameters

WDU is designed to provide safe water to communities while reducing plastic bottle waste.

Vetted Performance Status

Water health operates laboratories (chemical and microbiological) for water testings. It also sends water samples to external NABL certified laboratories.


Safety required in operating electrical systems.

Complementary Technical Systems


Academic Research and References


Compliance with regulations

WDU ensures the technical sustainability as it complies with the Indian Drinking water standards (IS 10500). In Nigeria and Ghana, WaterHealth Centers conforms to the drinking water standards of GS 175-1: 2013 4th Edition and NIS 554: 2007 regulated by Environment Protection Agency (EPA).

Evaluation methods

The product has been tested in laboratories (chemical and microbiological) and water samples are tested in external NABL certified laboratories every year.

Other Information

Videos: WDU launch, Waterhealth International Youtube channel   Waterhealth India press releases: Indian press, indiacsr, hindustantimes

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