This Directive establishes specific measures as provided for in Article 17 of Directive 2000/60/EC to prevent and control groundwater pollution with the aim of achieving the environmental objectives set out in Article 4(1)(b) of that Directive. Those measures include the following:
(a)
criteria for the assessment of good groundwater chemical status; and
(b)
criteria for the identification and reversal of significant and sustained upward trends and for the definition of starting points for trend reversals.