General Info

We specialize in calibration of water flow meters and process instrumentation. We are confined space certified to enter into manholes, tanks, vaults storm drains Ect. We can install water quality instruments and maintain them for our clients. JES has rental sampling equipment available for rent. We perform water flow studies in sewer pipes, storm water pipes rivers stream Ect. We fix and repair all Teledyne/ISCO samplers and flow meters.We cover all of southern California.