"We have recovered 27 bodies and many people are missing".
The dam gave way in Solai, in Nakuru county, 190 kilometres (120 miles) northwest of Nairobi, late on Wednesday.
The 9pm horror rendered over 300 families homeless and about 2,500 residents were affected.
Mr Kinyajui said: "The water has caused huge destruction of both life and property".More news: Paxton pitches sixth no-hitter in Mariners' history
Tens of people, including children, are feared trapped in the black mud.
The flood waters swept away power lines, homes and buildings, including a primary school, a Reuters photographer on the scene said, as rescue workers picked through rubble and mud searching for survivors.
Death toll reaches 31; NYS, KDF, Red Cross, police and Nakuru County government continue with search and rescue operation, CS Fred Matiangi arrives at the scene.
The Wednesday night incident occurred at around 9 o'clock in the evening when Patel Dam broke its banks sweeping villages in the Solai area of Subukia.More news: Giuliani: Trump Still Against Pleading the Fifth
By 1am on Thursday morning, six bodies had been retrieved downstream.
The other two dams are intact but with with high volumes of water.
"We assure residents that we will do our best to take affected families to safety and help them get medical attention". Local officials say the full extent of the damage is not yet clear.
Nakuru east deputy county commissioner Omar Salat who is doubling as the acting Nakuru county commissioner assured the victims of the government's support.More news: Air France stock shares fall amid strike, CEO's resignation
It comes after weeks of heavy rain. The paper reports that an investigation is underway to find out if Patel "was licensed to set up the reservoirs".