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3.3.1.      Assumption made in relation to data handling

Unclassified water bodies – unknown status, pressure and impact

Some water bodies have been reported with unknown or not applicable ecological status/potential (unclassified water bodies), or no information on significant pressures (no pressures) or impacts (no impacts). In most cases unclassified water bodies do not have information on pressure and impacts. All analyses done in the following chapters are based on water bodies which are classified with respect to ecological status or potential only.