Overview
Coldstream wastewater treatment plant serves Lennel, Scottish Borders, United Kingdom. This secondary treatment facility handles a population equivalent of 2,413 and discharges treated effluent into the local water environment.
Coldstream wastewater treatment plant is located near Lennel in the Scottish Borders region of Scotland, United Kingdom. The facility serves a population of approximately 2,413 and operates under secondary treatment standards, which is typical for smaller agglomerations in the UK. The plant has a designed capacity of 2,450 cubic meters per day and currently treats a daily flow of 537.22 cubic meters, indicating significant spare capacity. As a UK wastewater facility, it operates under the regulatory framework of the Water Environment and Water Services (Scotland) Act 2003 and the Urban Waste Water Treatment (Scotland) Regulations 1994, which transpose the EU Urban Waste Water Treatment Directive. The treated effluent is discharged into a local watercourse that ultimately drains into the River Tweed, a major river in the Scottish Borders known for its salmon fisheries and ecological importance. The River Tweed flows eastward to the North Sea, supporting diverse aquatic life and serving as an important migratory corridor for Atlantic salmon and sea trout.
Environmental context
The plant discharges into a tributary of the River Tweed, which flows through the Scottish Borders into the North Sea at Berwick-upon-Tweed. The Tweed is a designated Special Area of Conservation (SAC) under the EU Habitats Directive, recognized for its salmon, otter, and lamprey populations. The river supports a renowned salmon fishery and is ecologically sensitive, requiring high water quality standards. Secondary treatment at this plant helps protect the river's ecosystem and downstream coastal waters.
Frequently asked questions
Coldstream wastewater treatment plant is located near Lennel in the Scottish Borders region of Scotland, United Kingdom, approximately 3 miles west of Coldstream town.
The plant serves a population equivalent of 2,413 people, classifying it as a small agglomeration under UK wastewater regulations.
The plant discharges treated effluent into a local watercourse that flows into the River Tweed, which ultimately reaches the North Sea.
The plant operates under the Urban Waste Water Treatment (Scotland) Regulations 1994, which implement the EU Urban Waste Water Treatment Directive. For small agglomerations like this, secondary treatment is the standard requirement.
In the UK, wastewater treatment plants serving populations between 2,000 and 10,000 typically require secondary treatment under the Urban Waste Water Treatment Directive. This ensures sufficient removal of organic matter and suspended solids before discharge.
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