big flood factor

Why 'unwanted water' in London, Ont. sewers is a pricey problem and a big flood factor

Why 'unwanted water' in London, Ont. sewers is a pricey problem and a big flood factor

It's a problem that's costing the City of London about $1.4-million a year while adding to the risk of basement flooding. The engineering term is "inflow infiltration," but a report coming to the city's Civic Works committee on Tuesday uses a simpler one: Unwanted water. Essentially, it's water that ends up in the city's sewer system that shouldn't be there.