An Edinburgh politician has demanded immediate action from the Scottish Government to address severe sewage pollution contaminating the capital’s most prominent public waterways.

Sanne Dijkstra-Downie, the Scottish Liberal Democrat environment spokesperson, challenged ministers at Holyrood on Thursday to deliver on promised feasibility studies for the Water of Leith and Wardie Bay.

Both locations have suffered from extensive water quality issues and contamination, preventing local residents and wild swimmers from safely accessing the natural sites.

The political intervention follows recent disruption during the summer bathing season, when Wardie Bay was subjected to multi-day dredging operations in August that further compromised public safety.

The Water of Leith serves as a primary environmental corridor running directly through the centre of the capital, stretching from the Pentland Hills to the Firth of Forth.

Sanne Dijkstra-Downie, Liberal Democrat Candidate North Edinburgh. © 2026 Martin McAdam

Wardie Bay, located on the coastline in Granton, has seen a significant surge in popularity among outdoor swimming groups in recent years, despite ongoing concerns regarding water quality and safety standards.

First Minister John Swinney previously outlined a commitment to bringing these specific waterways into safe public usage as part of his latest programme for government.

However, opposition figures argue that the timeline for executing these necessary infrastructure improvements remains unclear, leaving local communities exposed to hazardous conditions.

Across Scotland, the discharge of untreated wastewater into rivers and coastal areas has become a central issue for environmental campaigners, opposition parties, and civic groups.

Heavy rainfall frequently triggers the release of sewage into public waterways to prevent the system from overwhelming residential properties, leading to unsafe bacterial levels in popular recreational spots.

Local authorities and national environmental agencies have faced increasing pressure to upgrade outdated drainage infrastructure to cope with modern population demands and extreme weather events.

Sustained pollution in these areas also poses a continuous risk to local biodiversity, threatening the wildlife populations that rely on Edinburgh’s blue and green spaces.

The delays in securing safe bathing water status for urban beaches highlight a broader national debate regarding the systemic management of Scotland’s natural water resources.

Speaking in the Scottish Parliament, the Edinburgh Northern MSP criticised the current administration’s environmental track record.

Ms Dijkstra-Downie said: “The Water of Leith and Wardie Bay are among Edinburgh’s most treasured places, yet the safe management needed to ensure they are fit for public use has never materialised.

“The SNP’s overall record on water safety is extremely poor. As things stand, people who want to use these waters have to contend with sewage and dangerous waste, sometimes right next to their homes. It cannot go on.

“While I was pleased to see a commitment to bringing these waters into safe usage in John Swinney’s programme for government, we have already waited too long for action.

“I will continue to push the government hard to make Edinburgh’s waters safe as soon as possible.”

The Scottish Government and relevant statutory authorities are now facing renewed scrutiny over the pace of their proposed feasibility studies and the eventual allocation of funding for environmental remediation in the Lothian region.

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