One of the UK’s leading specialists in; dewatering, groundwater engineering, borehole testing services and ground freezing. Together with the sale and supply of consumables and pumps to the drilling industry. Stuart Well Services Ltd has 40 years’ experience as a groundwater control and testing sub-contractor for the test pumping of wells in compliance with the BS EN ISO 22282-4:2012 Geotechnical investigation and testing, PART 4 which has superseded the BS 5930:1999 standard. Within house facilities include water borehole pumps rated from 0.017 to 60l/s at varying heads together with associated power generation units for remote site usage and associated equipment, pipelines, flow meters , hook gauges, Imhoff cones and data loggers for deployment as site requirements dictate. Long term employed staff are disciplined in the procedures and understanding of following detailed time dependant protocols for hydrometric determinations during test pumping of wells for site investigations. Pumping tests for water wells to BS ISO 14686:2003 are also routinely undertaken with water utility providers, site investigation contractors and consultancies as the client. Recent projects have encompassed testing on HS2 sites, proposed new nuclear power generation facilities , water supply wells, ground water assessments for installation of deep storm water attenuation tanks and new mining facilities infrastructure investigations.