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Long-term river water quality indicator

SEPA publishes a long-term river water quality indicator, based on a network of sites covering 253 water bodies (rivers or sections of rivers). This indicator is based on a consistent set of five water quality parameters which are sensitive to organic pollution, nutrients and toxic substances, and which provide a measure of species diversity across approximately 10% of all water bodies.

SEPA publishes a long-term river water quality indicator, based on a network of sites covering 253 water bodies (rivers or sections of rivers). This indicator is based on a consistent set of five water quality parameters which are sensitive to organic pollution, nutrients and toxic substances, and which provide a measure of species diversity across approximately 10% of all water bodies. Monitoring In 2011, the Scottish Environment Protection Agency (SEPA) established an indicator of river water quality based on a network of sites covering 253 water bodies (rivers or sections of rivers), which account for approximately 10% of all water bodies. The indicator is based on a consistent set of five water quality parameters which are sensitive to organic pollution, nutrients and toxic s

Position Statement: Elevated buildings in areas of flood risk

What is an elevated building? A building where structures such as pillars or stilts are used to raise it above the expected flood water level. The ground below the building remains at risk of flooding and allows for the free flow of water. Context for this position statement This position statement constitutes part of ‘relevant SEPA advice’ as referred to in criterion a) iv of the National Plannin

Technical guidance

Further technical guidance This page brings together a number of ancillary guidance documents and previous email bulletin information relating to modelling of marine fish-farms for CAR licence applications. Auxiliary biomass sampling transect In areas where the tidal residual current is weak, the auxiliary transect (site-specific sampling 2) may be aligned along a bearing reciprocal to the primary

Velocity

Velocity Indicates the speed of flood water and the direction in which it is travelling within Potentially Vulnerable Areas (PVAs). Velocity direction is available only within the river flood maps. It is sampled at a 150m resolution therefore cannot be used to identify detailed flow pathways. The velocity displayed on the river flood map shows the general speed and direction of flood water over a

Sea lice regulatory framework implementation

Frequently asked questions Why is a sea lice framework needed? Populations of wild Atlantic salmon have been in serious decline in recent decades and are now at crisis point. The pattern of decline is repeated across the salmon’s North Atlantic range and is likely caused, at least in part, by the effect of climate change on the survival of salmon during their time at sea. To build resilience of Sc

Preparing an emergency flood plan for your reservoir

Guidance on preparing an onsite emergency flood plan for a reservoir.

Guidance on preparing an onsite emergency flood plan for a reservoir. All reservoirs which store water behind a dam are at risk of deterioration, which can lead to flooding. To prepare for this — and help protect reservoir workers, those living in the surrounding area, and our environment — all reservoirs should have an onsite emergency flood plan in place. An onsite emergency flood plan helps you prepare for an actual or potential uncontrolled release of water from

River Basin Management Planning

An introduction to our river basin planning work.

An introduction to our river basin planning work. River basin management planning (RBMP) protects and improves Scotland’s water environment for the benefit of people, wildlife and the economy. Much of the water environment in Scotland is in good condition. However, there are still significant problems affecting water quality, physical condition, water resources, and the migration of wild fish. The River Basin Management Plans for Scotland set ou

Reservoirs

The majority of dams will require an authorisation from SEPA under "The Water Environment (Controlled Activities)(Scotland) Regulations 2011 (CAR). This authorisation number will start CAR/.../... If you don't have a CAR authorisation for your dam, then you should contact your local SEPA team to discuss this. You can find more advice on impoundments and water resources authorisations on our Enviro

Waste site information

Description of the type of data held about waste sites and why we collect it.

Description of the type of data held about waste sites and why we collect it. Scottish waste sites and capacity tool Information Reporting years Last updated Landfill sites and capacity (Annual) 2014 - 2024 January 2026 Waste sites and capacity (Annual) 2014 - 2024 January 2026 Site return data (Quarterly) Q1 2007 – Q4 2024 January 2026 Waste sites and capacity information This Scottish waste sites and capacity tool provides an annual summar

Actions to deliver RBMP

Information regarding the actions we are taking to protect and improve Scotland's water environment.

Information regarding the actions we are taking to protect and improve Scotland's water environment. Delivering the aims of RBMP requires partnership working with public bodies, industry and land managers to secure multiple benefits for the environment, economy and society. See Who’s involved in RBMP River basin planning is working to support Scotland's Environment Strategy aims to create a net zero, circular economy that reduces the global impact of our consumption. It is embedded in Our Approac

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