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This content has moved to our Beta website We are transitioning to a new website, and the content from this section has moved to our BETA site.  Please go to our Reservoirs topics page to find the most up to date information on: Controlled Reservoir Register (CRR) regulatory information, forms, and guidance civil sanction details and more If the information you are looking for is not p

This shows the indicative area that may flood from an uncontrolled release of water from all possible dam failure scenarios....

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

Depth Provides an indication of the potential depth of flood water. Even shallow floodwater can be dangerous and can impact you and your property. Areas where there is not currently sufficient information to show the depth of floodwater are coloured grey....

Marine aquaculture modelling Computer modelling is used as a guide to determining licensed discharge quantities of anti-parasitic chemicals and organic waste arising from marine fish-farm operations. The modelling tools promoted by SEPA provide robust predictions in most cases, requiring relatively little site-specific information. Nevertheless, the quality of the model outputs is dependent upon g

This content has moved to our Beta website We are transitioning to a new website, and the content from this section has moved to our BETA site.  Please go to the What we do: Water page find the most up-to-date information.  

A full list of RBMP publications. This content has now moved to the River Basin Management Planning page on our Beta website. We will continue to host the information here for a short period to support the transition but will not be actively updating this page.   This page provides a full list of RBMP data sources. Water environment hub The tool provides information on current condition and future targets for rivers, l

A full list of RBMP publications. 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

Air Scottish Pollutant Release Inventory (SPRI) Radioactive substances Our radioactive substances data return forms were revised in March 2026. EASR sealed source data return (Excel, 49 kB) EASR radioactive waste data return(Excel, 80 kB) EASR intention to transfer radioactive waste/contaminated items for the first time (MS Word, 202 kB) Offshore data return (Excel, 59 kB) Waste Waste da