Last week, at least 12 people were killed when a building collapsed during torrential rains in Nairobi.
Some of the survivors said they tried to run after hearing the roaring sound of the water but they were outrun and swept away.
Speaking to the media, Rongai police chief Japheth Kioko confirmed the deaths saying that 32 bodies had been recovered from the village and that rescue operations were still ongoing as some villagers have yet to be accounted for.
Another 40 are missing. "My other neighbors also died".
After a severe drought a year ago, East Africa has been hit by two months of heavy rain, affecting almost a million people in Kenya, Somalia, Ethiopia and Uganda.
The mega dam is located inside the farm of prominent farmer Mansukul Patel in Solai. The town and its environs are home to commercial farms that supply markets in Europe, producing everything from cut flowers to beans, fruits, and vegetables.More news: 'Why Wouldn't We Win?' Donald Trump Celebrates Successful Republican Primaries
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The area around Nakuru is on the edge of Kenya's main flower-farming region - a major source of foreign exchange and employment for East Africa's biggest economy - and is dotted with irrigation reservoirs. At least 20 children are among the dead.
State House, through its spokesperson Mr Manoah Esipisu on Thursday afternoon said that the government is assessing the damage and would issue a comprehensive statement upon receipt of full details. There is another dam which is also overflowing which is looking risky.
One primary school had been closed as a precaution, education officials said.
The rains that started in March have led to flooding and mudslides that have left close to 200 people dead and thousands more displaced.
The Kenya Red Cross estimates that up to 500 families are affected in the tragedy described by Interior Cabinet Secretary Fred Matiangi as a 'disaster'. Roads and bridges have been destroyed, causing millions of dollars of damage.
Other nearby dams looked like they were ready to burst, Wanjiku said.