Groundwater investigation, Location where the groundwater level and/or composition is measured. These are groundwater wells in which one or more pipes are located. A tube contains one or more perforated parts that together form the filter. The groundwater level or composition is measured in pipes and is considered to be representative of the depth at which the filter is located. Groundwater wells must meet the following conditions: the well is located in the Netherlands; groundwater levels and/or compositions are available that are not subject to embargo.
