| Construction dewatering subcontractors Construction dewatering subcontractorsWJ Groundwater Ltd Welcome to WJ Groundwater Limited This site provides an overview of the services provided by WJ Groundwater and a guide to how you can obtain WJ publications that will give you further detailed information about these services. The services cover groundwater control or dewatering, aquifer remediation, landfill engineering, well drilling, monitoring and modelling. The site contains a gate.. |