A former water company boss has been handed a £270k bonus despite a parasite outbreak that sickened more than 140 people and caused a public health scandal.  Susan Davy stepped down as chief executive of Pennon, the group that owns South West Water, last year. She received the six-figure sum despite the board initially deciding to withhold the bonus following a public outcry. South West Water pumped drinking water to thousands of homes in Devon containing cryptosporidium, a microscopic parasite that causes a highly infectious gastrointestinal illness.  The outbreak in May 2024 impa…