€50 million roof finally prevents bird droppings from fouling water supply

200,000 to benefit as Stillorgan reservoir is covered

Before: the Stillorgan reservoir site showing two open reservoirs still full of drinking water, while construction begins on the site of the former third reservoir

An open water reservoir for 200,000 people which was vulnerable to bird droppings has finally been covered over at a cost of €50 million.

The reservoir in Stillorgan in Dublin has been used for more than 150 years to store and supply drinking water to people in Dublin city and Dun Laoghaire.

But the three reservoirs on the site were uncovered, meaning that the clean and treated drinking water they contained could be fouled from ...