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Surface & Groundwater

Surface water can be affected by land use, agricultural practices, pollution and climate change. As you already know, monitoring and treatment of surface water requires significant investments in time and money. These investments and public health may be jeopardized if surface water changes during extreme events or contamination.

SonTek and other Xylem instruments work to provide a continuous and comprehensive record of water quantity and quality. Our instruments provide the reliable data you need to act quickly, work efficiently and reduce costs.

We understand the challenges of working in natural environments. Our systems play a key role in improving water quality and plant efficiency, while allowing for early warning and rapid response to events such as floods and algal blooms.

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INNOVATIVE WATER SAMPLING MONITORING SOLUTIONS

Solutions by Application

  • Water Quality Sampling
  • Water Quality Monitoring
  • Water Flow & Level
  • Survey & Mapping
  • Data Logging & Telemetry
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SensoLyt® pH/ORP sensors

WTW SensoLyt® pH / ORP Sensors

For continuous pH/ORP measurement, especially under the difficult conditions very often found in sewage treatment facilities, very high demands are made concerning the reliability and operating safety of the systems employed.

1030W Aurora

OI Analytical Aurora 1030W TOC Analyzer

The Aurora 1030W TOC Analyzer processes aqueous samples for analysis of the total organic carbon (TOC), total inorganic carbon (TIC), and non-purgeable organic carbon (NPOC) content of the samples.

OI Analytical Aurora 1030C TOC Analyzer

OI Analytical Aurora 1030C TOC Analyzer

Get more from your analysis with the Aurora 1030C TOC Analyzer, an instrument designed to process aqueous samples for the analysis of total organic carbon (TOC) using the high temperature combustion technique. Capable of processing up to 300 samples daily, the Aurora 1030C offers a broad sample scope of 100 ppb to 30,000 ppm.

OI Analytical Eclipse 4660 Purge-and-Trap Sample Concentrator

OI Analytical Eclipse 4660 Purge-and-Trap Sample Concentrator

The Eclipse 4660 Purge-and-Trap Sample Concentrator processes samples for analysis of volatile organic compounds (VOCs) by gas chromatography (GC) or gas chromatography/mass spectrometry (GC/MS). Innovative, patented components within the Eclipse significantly improve sample processing steps of the purge-and-trap technique. 

YSI 9500 Photometer

YSI 9300 + 9500 Photometer

The YSI 9300 and YSI 9500 are economical photometers in small packages for any application. These portable photometers allow you to easily take readings directly in the field for 100+ parameters.

6600V2 Sonte

YSI 6600 V2 Sonde

The YSI 6600 V2 data sonde is the most comprehensive water quality monitoring equipment available with simultaneous measurement of conductivity (salinity), temperature, depth or level, pH/ORP and...

PAR - Photosynthetically Active Radiation

YSI PAR System - Photosynthetically Active Radiation

YSI offers several PAR systems that can be directly integrated into existing or new 6600 multiparameter sondes. PAR sensors are powered by the sonde and PAR data is added to the data stream of the water quality sonde.

600OMS V2 Sonde

YSI 600OMS V2 Sonde

Measure optical dissolved oxygen, chlorophyll, blue-green algae, rhodamine, or turbidity in combination with temperature, conductivity and depth. Designed for use in fresh, sea or polluted waters, the 600OMS V2 data sonde utilizes the field-proven YSI sensors and incorporates innovations in water quality sensor modules that fits into the sonde body.

6920 V2 Sonde

YSI 6920 V2 Sonde

The YSI 6920 V2 sonde is an economical water quality logging system, ideal for long-term in situ monitoring and profiling.Real-time turbidity monitoring, dissolved oxygen monitoring, algae monitoring, and more.

WS755 Waste/Stormwater Sampler

Global Water - WS755 Wastewater, Stormwater Sampler

Our new WS755 improved two-bottle wastewater/stormwater samplers combine all the features you need to meet a wide variety of sampling requirements, including those for stormwater, industrial discharge, water and wastewater treatment, waste collection systems, and rivers and streams.

WS705 Water Sampler

Global Water - WS705 Composite, Discrete Water Sampler

The WS705 single-bottle composite/discrete water samplers combine all the features needed to meet a wide variety of water sampling requirements, including those for stormwater, industrial discharge, water and wastewater treatment, waste collection systems, rivers, and streams.

YSI Pro Plus multiparameter instrument

YSI Professional Plus (Pro Plus) Multiparameter Meter

The YSI Professional Plus (Pro Plus) handheld multiparameter meter provides extreme flexibility for the measurement of a variety of parameters such as DO, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature.

PRO30

YSI Pro30 Conductivity, Salinity Meter

The Pro30 provides everything you need in a handheld meter that measures salinity, conductivity, specific conductance, total dissolved solids, and temperature. Rugged, simple and reliable.

PRO20 Handheld DO Meter

YSI Pro20 Dissolved Oxygen Meter

The Pro20 provides everything you need in a handheld dissolved oxygen meter. Ruggedness, simplicity and reliability are the cornerstones of the instrument's design.

PRO10 handheld pH or ORP meter

YSI Pro10 pH / ORP Meter

The Pro10 provides everything you need in a handheld meter that measures temperature along with either pH or ORP (redox). Rugged, simple and reliable. Measure pH or ORP, and temperature.

Pro1020 Handheld DO pH Meter

YSI Pro1020

The Pro1020 provides everything you need in a handheld meter that measures dissolved oxygen and temperature along with either pH or ORP (redox). Rugged, simple and reliable. Measure pH or ORP, dissolved oxygen, and temperature.

handheld pH/Conductivity or ORP/Conductivity Meter

YSI Pro1030

The Pro1030 provides everything you need in a handheld meter that measures pH or ORP (redox) along with conductivity. Rugged, simple and reliable. Measure pH or ORP, salinity, conductivity, specific conductance, TDS, and temperature.

Pro2030 Handheld DO/Conductivity Meter

YSI Pro2030

The ideal replacement for the discontinued YSI Model 85. The Pro2030 provides everything you need in a handheld dissolved oxygen meter that automatically compensates for changes in salinity values. Rugged, simple and reliable. Measure DO, salinity, conductivity, specific conductance, TDS, barometric pressure and temperature.

EcoSense ODO200 Handheld

YSI EcoSense ODO200 Handheld - Optical Dissolved Oxygen Meter

Accurate, economical, handheld dissolved oxygen measurements using optical technology.

The EcoSense® line of compact, handheld instruments provides the most accurate data in the most affordable format. The instruments feature an easy-to-use interface, one-hand operation, IP67 waterproof case, and low cost of ownership over the life of the product.

EcoSense DO200A Dissolved Oxygen Meter Kit

YSI EcoSense DO200A Dissolved Oxygen Meter Kit

The DO200A is part of the EcoSense® family of products. The DO200A dissolved oxygen instrument offers fast dissolved oxygen response times in wastewater, surface water, and aquaculture applications.

EcoSense pH100A Meter Kit

YSI EcoSense pH100A Meter Kit

YSI's EcoSense® product line of compact, handheld instruments includes the pH100A pH meter. For simple, one handed operation for pH readings or mV values and temperature the pH100A is a logical choice.

OI Analytical 9210p On-line TOC Analyzer

OI Analytical 9210p On-line TOC Analyzer

The OI Analytical 9210p On-line Total Organic Carbon (TOC) Analyzer is designed to continuously monitor TOC levels in process water streams. The 9210p uses proven heated persulfate oxidation technology for accurate, dependable operation and regulatory compliance. Virtually all organic compounds dissolved in water can be oxidized with high efficiency by this technique.

Fixed - Vertical Profiling System

YSI 6950 Fixed - Vertical Profiling System

Mountable on a dam, pier, piling, or other stationary location, the 6950 offers user-programmable sample intervals with wireless transmission options. The YSI 6950 is compatible with all YSI EXO and 6-Series sondes equipped with depth, and comes with Profile Wizard software for easy set-up and deployment.

Argonaut®-XR ADCP

SonTek Argonaut®-XR ADCP

Designed specifically for mounting on the bottom of a river, channel, or harbor, the XR features a special mode that automatically adjusts one of its measurement cells for changing water level. Its small size, rugged build, and flexible system architecture make the XR attractive for both real-time operation and autonomous deployments.

Flow Sampling System

Global Water - FSS Flow Sampling System

Global Water has created a unique flow sampling system. This system includes an easy to use lightweight composite water sampler, an open channel flow monitor with dual displays and outputs, and a data recorder that is both Windows and PDA (Windows CE or Mobile) compatible. This compact system is portable for field installation and fully customizable to meet your needs.

SonTek HydroSurveyor

SonTek HydroSurveyor™

NEW! Now integrated with HYPACK®! [Learn more]  The HydroSurveyorTM is a system designed to collect bathymetric, water column velocity profile, and acoustic bottom tracking data as part of a hydrographic survey. The two key components of the system are the HydroSurveyor Acoustic Doppler Profiler (ADP®) platform, and the powerful, yet user-friendly, data collection software.

Magflux Flow meter

MJK MagFlux® Flowmeters

MagFlux® Flowmeters are developed for measurements in all types of conductive liquids, including measurement of flow in drinking water, wastewater, sludge and process water. MagFlux Flowmeters are manufactured with carbon steel and stainless steel for flange or wafer connections and lining in hard or soft rubber and PTFE/PFA.

SonTek-IQ® Series

SonTek-IQ® Series

Ideal for monitoring flows in canals, culverts, pipes, and natural streams, the SonTek-IQ starts with a custom flow algorithm derived from hundreds of field measurements. Four velocity beams profile water velocity in 3-D - both vertically and horizontally - ensuring complete coverage of the velocity field. The built-in pressure sensor and vertical acoustic beam work in tandem to measure water level. Simply input the channel geometry using the intuitive SonTek-IQ software and you are outputting flow data in minutes.

FlowTracker® Handheld-ADV®

SonTek FlowTracker® Handheld-ADV®

NEW SonTek FlowTracker2 IS OUT NOW!

The FlowTracker Handheld-ADV® (Acoustic Doppler Velocimeter) measures 2D or 3D currents, attaches easily to wading rods, and features an automatic discharge computation using a variety of international methods, including ISO and USGS standards. The FlowTracker also features SonTek's exclusive "SmartQC" which involves a series of built-in data quality checks, so you know your data is right. At the end of the data run, just press a button and the FlowTracker calculates the discharge for you!

SonTek®-SL Series

SonTek®-SL Series

NEW SL1500/3000 3G MODELS! The SonTek-SL has two new (3G) models turbo-charged by our proprietary SmartPulseHD®, the featured accessories, mounting options, software, and a variety of integration formats ensure it fits your application.

SonTek FlowTracker2

SonTek FlowTracker2 Handheld-ADV

The new FlowTracker2 (FT2) handheld Acoustic Doppler Velocimeter (ADV®) has all the technology you have grown to know and trust with the original FlowTracker, but now comes with functional, modernized features (Bluetooth, GPS and large color screen, to name only a few) based on the evaluation and feedback from hydrologists, researchers and scientists who have made the FlowTracker their instrument of choice.

Shuttle® Ultrasonic Level Transmitter

MJK Shuttle® Ultrasonic Level Transmitter

With MJK cabled sensors, it is easy to position the transmitter with the display, where it can be useful, and the large display allows viewing from a distance. Tne one-step measurement start-up procedure is easy to follow and easy to modify the set-up of all functions, controls and signal management features. 

Expert™ Hydrostatic Level series

MJK Expert™ Hydrostatic Level Series

MJK offers a full series of water level transmitters designed for immersion in open tanks, wet-wells, ground water and reservoirs. The water level transmitters are designed for measurement under rough conditions in all water and wastewater applications with large concentrations of sludge and suspended solids.

WL16 Water Level Loggers

Global Water WL16 Water Level Loggers

The WL16, Water Level Logger, is a datalogger and submersible pressure transducer combination designed for remote monitoring and recording of water level or pressure data. The water level logger can record over 81,000 readings and has four unique recording options, fast (10 samples per second), programmable interval (1 second to multiple years), logarithmic, and exception. Multiple depth ranges are available from 3 to 500 feet of water level change. A 25 ft vented cable is standard on all water level loggers, and optional cable lengths are available from the factory up to 2000 ft.

Water Level Radar H-3611-12-13

YSI WaterLOG - Water Level Radar Series (H-3611/12/13)

The Radar is a non-contact water level sensor, perfect for just about every tough to reach site. It contains a built in LCD display for simple monitoring, setup and maintenance. It's interface is compatible with any data logger that is SDI-12 compliant and you can set the sensor to measure in feet, meters or any other engineering unit you want.

DAA Bubbler

YSI WaterLOG Bubbler / Pressure Sensor (H-3553T)

The Bubbler has an improved controller and pressure regulator that use a sophisticated system of sensors and valves to regulate the bubble rate and purge pressure. And to keep the sediment from settling around the orifice line, this Bubbler provides a purge feature to keep the pressure at a desired level. You can even start a manual purge, anytime, with the touch of a button. This system was made for those who don't have time to mess around at the site.

Nile Radar Series

YSI WaterLOG Nile Water Level Radar Series

NEW Nile Series 502/504/517 models! Designed for non-contact water level measurement. The WaterLOG Nile Series (502/504/517) combines high accuracy with an out-of-the-box measurement range of up to 70 m. The rugged, innovative design was inspired for installation on a bridge or other structure over the water—making this series ideal for sites that may have ice or other instrument-damaging debris. Its reliable interface and simple SDI-12 communication ensure seamless integration with current water monitoring stations. With three models to choose from, the Nile Series is sure to meet your water monitoring needs.

Global Water WL400 Vented Water Level Sensor

Global Water WL400 Vented Water Level Sensor

Global Water's WL400 Water Level Sensor provides highly accurate water level measurement for a wide variety of applications, including those in severe environments. The submersible pressure transducers have a dynamic temperature compensation system, enabling high accuracy measurements over a wide temperature range. The water level sensor is easily adapted to all dataloggers, telemetry, monitoring equipment, and displays.

Global Water WL500 Well Level Sounder

Global Water WL500 Well Level Sounder

Global Water's WL 500 Well Level Sounder sets a new precision standard for well water level measurement. The Water Level Sounder meets or exceeds federal specification US GGG-T-106E (USA) or EEC CLASS II (Europe) for a guaranteed accuracy of 0.008%. The Water Level Sounder uses a full depth-rated stainless steel and teflon probe that is 5/8-inch (16 mm) in diameter. Sensor electronics are encapsulated in a water and dust proof housing. The Electronics module can be removed so that the entire reel and tape can be cleaned and decontaminated. The flat spring steel core ensures that the level sounder will hang perfectly straight in large and small diameter wells. This provides unparalleled accuracy when compared to the flat white tapes, where kinks in the tape introduce slight errors, in addition to the displacement of water changing the static level.

Global Water WL705 Ultrasonic Water Level Sensor

Global Water WL705 Ultrasonic Water Level Sensor

The WL 705 Ultrasonic Water Level Sensor uses the latest ultrasonic distance measuring technology for accurate non-contact water level monitoring. The sensor contains a rugged transducer in a stainless steel sealed housing for long life and provides an industry standard 4-20 mA output. 

Global Water WL550 OIL WATER INTERFACE METERS

Global Water WL550 Oil Water Interface Meter

Global Water's WL 550 Oil/Water Interface Meters measure the depth and thickness of floating (Light Non-Aqueous Phase Liquids or LNAPLs), sinking (Dense Non-Aqueous Phase Liquids or DNAPLs) hydrocarbons and water in monitoring wells as small as 1/2 inch (12.5 mm) inner diameter using an optical probe for industry leading accuracy. All Oil Water Interface probes are pressure proof and leak proof using a unique triple-seal design.

M9 S5 Multi-Frequency ADCP

SonTek RiverSurveyor® S5 and M9


The patented and award-winning RiverSurveyor®, S5/M9 systems give a new perspective to the notion of measuring open channel hydraulics. Using SonTek's exclusive SmartPulseHD®, multiple acoustic frequencies are fused with precise bandwidth control for the most robust and continuous shallow-to-deep discharge measurements ever.

WaterCube bathymetry software

WaterCube

Xylem Analytics has joined with WaterCube to provide a natural extension to the capabilities of the SonTek M9 ADCP with the ability to map longitudinal reaches of river section and depict this in a full 'real data' 3D visualisation.  With the SonTek M9 having a dual function of being both a Discharge and Bathymetry tool, the linkage with WaterCube is allowing our customer base to maximize the use of this very powerful asset. 

SonTek HydroSurveyor

SonTek HydroSurveyor™

NEW! Now integrated with HYPACK®! [Learn more]  The HydroSurveyorTM is a system designed to collect bathymetric, water column velocity profile, and acoustic bottom tracking data as part of a hydrographic survey. The two key components of the system are the HydroSurveyor Acoustic Doppler Profiler (ADP®) platform, and the powerful, yet user-friendly, data collection software.

EcoMapper™ AUV (Autonomous Underwater Vehicle)

YSI EcoMapper AUV

This water quality EcoMapper™ AUV (Autonomous Underwater Vehicle) has a YSI 6600 V2 bulkhead built in for collection of up to 10 water quality parameters in large water bodies. Other features include side-scan sonar imaging and a Doppler velocity log for accurate navigation below surface.

FlowTracker® Handheld-ADV®

SonTek FlowTracker® Handheld-ADV®

NEW SonTek FlowTracker2 IS OUT NOW!

The FlowTracker Handheld-ADV® (Acoustic Doppler Velocimeter) measures 2D or 3D currents, attaches easily to wading rods, and features an automatic discharge computation using a variety of international methods, including ISO and USGS standards. The FlowTracker also features SonTek's exclusive "SmartQC" which involves a series of built-in data quality checks, so you know your data is right. At the end of the data run, just press a button and the FlowTracker calculates the discharge for you!

M9 S5 Multi-Frequency ADCP

SonTek RiverSurveyor® S5 and M9


The patented and award-winning RiverSurveyor®, S5/M9 systems give a new perspective to the notion of measuring open channel hydraulics. Using SonTek's exclusive SmartPulseHD®, multiple acoustic frequencies are fused with precise bandwidth control for the most robust and continuous shallow-to-deep discharge measurements ever.

SmartGuard Datalogger

Aanderaa SmartGuard Datalogger

SmartGuard is the next generation sensor and instrument HUB for Ocean, Lake, Reservoir, Estuary and River Hydrometric stations. It's a complete observatory node for advanced Hydrologic/Meteorological stations as well as for small stand alone stations.

Storm 3 Datalogger

YSI WaterLOG Storm 3 Datalogger

The Storm 3 Data Logger incorporates a balanced set of inputs for analog, digital I/O and SDI-12 smart sensors to allow communication through cellular modems and GOES satellite. You'll love how easy it is to configure and collect data using the browser-based graphical user interface (GUI) with all standard web browsers on PCs, tablets and smart phones.

SonTek HydroSurveyor

SonTek HydroSurveyor™

NEW! Now integrated with HYPACK®! [Learn more]  The HydroSurveyorTM is a system designed to collect bathymetric, water column velocity profile, and acoustic bottom tracking data as part of a hydrographic survey. The two key components of the system are the HydroSurveyor Acoustic Doppler Profiler (ADP®) platform, and the powerful, yet user-friendly, data collection software.

WL16 Water Level Loggers

Global Water WL16 Water Level Loggers

The WL16, Water Level Logger, is a datalogger and submersible pressure transducer combination designed for remote monitoring and recording of water level or pressure data. The water level logger can record over 81,000 readings and has four unique recording options, fast (10 samples per second), programmable interval (1 second to multiple years), logarithmic, and exception. Multiple depth ranges are available from 3 to 500 feet of water level change. A 25 ft vented cable is standard on all water level loggers, and optional cable lengths are available from the factory up to 2000 ft.

DCX-22 SELF CONTAINED WATER LEVEL DATALOGGERS

Global Water DCX-22 Self Contained Water Level Datalogger

The DCX-22 Self Contained Water Level Dataloggers are highly accurate, self-contained, battery powered absolute pressure water level loggers designed to record water depth and temperature over long periods. The absolute pressure water level sensor, electronics and battery are housed in a rugged, double-sealed 316 stainless steel tube for long term submersible deployment. The DCX-22 Self Contained Water Level Dataloggers require no external wires and may be suspended with any suitable and secure cable. When it's time to download the recorded data, the DCX-22 is simply retrieved from the measurement point and the double sealed end cap is then removed to access the absolute pressure water level sensor's data port.