* These are the groundwater levels of Dordrecht as measured in the approximately:
* a) “Up to date” of 500 primary gauge tubes < monthly measured >
* B) History of 500 Secondary —
* C) History of 500 tertiary —
* D) History of 20 expired primary measuring points
Terms of Use: www.dordrecht.nl/opendata-proclaimer-privacy
The data owner can be reached via the contact form behind this link: https://www.dordrecht.nl/pls/iform/formEgemFormToon?F_FORMNR=102927&F_PARAMS=4871:Grondwaterstanden:Dordrecht
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