The Green Party and Liberal Democrat candidates bidding to become Bishop’s Stortford’s next MP have slammed “staggering” sewage pollution. Across the country, Environment Agency figures show spills into rivers and seas by water companies more than doubled last year – up from 1.75m hours in 2022 to 3.6m hours. Water UK, the industry body for sewerage companies, blamed the record levels on wet weather. Rain and sewage share the same pipes, so heavy downpours can overwhelm treatment works. As a result, on average last year there were 1,271 spills a day into waterways across England, compared to 8…