Technical Advice Note (TAN) 15 provides technical guidance which supplements the policy set out in Planning Policy Wales in relation to development and flooding.  It provides advice on Development advice maps (DAM’s), the nature of development or land use; justifying the location of built development; assessing flooding consequences; surface water run-off from new development; action through Development Plans; and Development Control.  The Development Advice Map (DAM) for use with Technical Advice Note (TAN) 15 is available as an interactive map.