A sounding is a method of investigation to obtain information about the structure and characteristics of soil.

By making a CPT, it is possible to calculate how many and where piles and foundation elements should be placed and what the length of piles should be. When submitting an application for an environmental permit for the activity of building, a sounding survey is required in many cases.

View the probing of your plot at:

Map with soundings and gauge measurements in Zoetermeer

For questions about soundings or about the Map of Soundings, please contact the Environment Desk in the hall of City Hall. You can reach the Environmental Desk by calling 14 07 9 or by using the contact form.

Contact form