Up to 15 milk traders were on Wednesday arrested by officials from the Kenya Dairy Board.
The traders were cornered consucting milk business without the required legal documents.
Their milk also tested positive after being checked on whether laced with water or hydrogen peroxide.
“Much of the milk is laced with hydrogen peroxide and water,” Kenya Dairy board Stephen Murimi said.
“We have been carrying out surveillance in other parts of the country to ensure that milk consumed is of good quality starting from milking to consumption.” he added.