The water regulator in England and Wales is to investigate why thousands of homes suffered water shortages in the wake of the recent cold weather.
Households and businesses are facing days without running water after pipes burst during a thaw following freezing weather conditions.
Ofwat will look at how to prepare water companies and with the support subsequently offered to the customers.
It was said that at the time that the companies had “fallen short”.
Some of the water companies handed out bottles of water as some homes without power for three days.
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More than 20,000 homes were affected in London, where the schools were forced to close, and it is recommended to take shorter showers as Thames Water repaired burst pipes.
In the country of Wales, with 3,000 properties lost supply, and there were delays in the distribution of bottled water in certain areas.
West Midlands based car manufacturer Jaguar Land Rover closed plants to preserve water for homes, hospitals and schools, while the maker of Cadbury chocolate sent to the workers of the house of its Bournville plant.
Ofwat chief executive Rachel Fletcher said that the regulator expected the compensation was “fair, fast, and hassle-free for customers.”
The suppliers and the customers affected will contribute to the review.
“To be left without a vital public service such as water – in some cases for several days – is deeply alarming, particularly for those in vulnerable circumstances,” Ms Fletcher said.
Any evidence that the companies had failed to comply with their statutory obligations or the terms of the license may result in regulatory action, Ofwat said.
The review will publish its results for the 15 of June.