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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....

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

Can I view the maps full screen?No. The maps can only be viewed within the set frame. Why has the background on the maps changed (2019)?Due to changes to the contract associated with the supply of the background mapping to SEPA, we now have a different background on display. This change took place in December 2018. There are no significant changes to what is displayed, and the mapping presented ha

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

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