Gain clarity underground with continuous groundwater-quality monitoring that reveals early shifts in aquifer conditions, detects saltwater intrusion, and confirms progress in remediation—all with reliable data you can trust.

Effortlessly measure water quality with In-Situ Aqua TROLL multiparameter sondes and VuLink telemetry, delivering simple in-well deployment and real-time data through HydroVu on any device. For low-flow sampling, the In-Situ low-flow sampling system pairs AquaTROLL sondes with the VuSitu mobile app, streamlining workflows and ensuring high-quality, cost-efficient sample collection from setup through validation and reporting.

Measuring groundwater level or depth-to-water is essential for understanding long- and short-term trends, including declining water levels, saltwater intrusion, and aquifer recharge.

The In-Situ Level TROLL family delivers flexible, dependable water-level measurement for any project. Start with manual contact gauge measurements and scale effortlessly to continuous logging—either standalone or paired with VuLink telemetry—for long-term, reliable groundwater-level insight.

Safeguard your water resources with reliable, real-time groundwater insight. Continuous monitoring helps detect saltwater intrusion early, prevent costly impacts, and track sudden aquifer-level changes caused by drought or overuse.

For long-term telemetered monitoring, select In-Situ VuLink + Level TROLL or the OTT ecoLog 1000 for continuous level and temperature measurements with integrated real-time telemetry. For remote or complex sites, deploy Aqua TROLL or Level TROLL instruments with OTT XLink or SatLink for solar-powered operation, multi-sensor integration, and satellite communication where cellular service is limited.

Gain a clearer picture of aquifer behavior with real-time, high-accuracy measurements of recharge, storage, discharge, and chemistry. Intuitive workflows and fast data capture make it easy to interpret small changes with confidence.

For streamlined aquifer testing, pair In-Situ Level TROLL instruments with the VuSitu mobile app for simplified setup, calibration, and execution of slug and pumping tests. Instant, secure data uploads support fast analysis and smooth transitions from fieldwork to interpretation.

Strengthen coastal monitoring efforts with dependable, low‑maintenance monitoring solutions that deliver real‑time insight into changing tides, water levels, and essential water‑quality conditions. Designed to thrive in harsh marine environments, our rugged sensors stand up to waves, salt spray, and wide tidal swings—empowering you to support navigation, protect coastlines, and strengthen flood preparedness. Stay ahead of shifting conditions driven by storms, sea‑level rise, and harmful algal blooms with continuous, actionable data.

The OTT RLS 500 provides precise tidal‑level measurements with high‑frequency 8 Hz sampling, while In-Situ Aqua TROLL multiparameter sondes and the RDO Trio deliver dependable water‑quality insight. Pair these instruments with VuLink telemetry for real‑time access through HydroVu, or use OTT XLink or SatLink for expanded remote data collection, user‑defined routines, and seamless multi‑sensor integration. Whether cellular or satellite connected, this unified system ensures continuous data access, fewer field visits, and early detection of environmental change.

Strengthen flood preparedness with real-time insight into rising water levels, precipitation, and flow conditions. Continuous hydrological and meteorological monitoring—supported by on-site images for situational awareness—helps teams assess conditions quickly and take action before thresholds are reached.

Protect communities with the OTT Flood Monitoring System, integrating the RLS 500 and SensorLink 1000 for reliable, low-maintenance level monitoring with cellular telemetry and solar-power options. This turnkey solution supports rapid response, reduces risk, and enhances resilience across flood-prone areas. Scale up for redundancy or additional sensor integration using OTT XLink or SatLink to support reliable data logging and seamless cellular or satellite transmission.

Empower lake and reservoir operations with real-time, decision-ready insight. Continuous monitoring of water level and quality helps you anticipate changing conditions, manage supply, and protect ecosystems year-round.

Deploy In-Situ Aqua TROLL multiparameter sondes for continuous water-quality tracking and choose OTT radar, pressure, or bubbler sensors for precise stage level measurement. Pair VuLink + HydroVu for simple telemetry or scale up with OTT XLink or SatLink to connect multiple sensors—including weather and precipitation—for seamless cellular or satellite data transmission.

Select from a robust portfolio of pressure, radar, bubbler, and image‑based sensors to meet the demanding conditions of hydropower operations—from fluctuating reservoir levels to ice, debris, and sediment—for accurate, continuous water‑level and inflow measurement. Add water‑quality and temperature monitoring to support compliance, turbine protection, and downstream environmental stewardship.

Deploy In-Situ Aqua TROLL sondes or In‑Situ buoys for continuous water‑quality and temperature monitoring with simple remote access via VuLink + HydroVu. For advanced hydropower needs, use OTT radar, pressure, bubbler, and image‑based solutions—including RLS 500—to capture precise non‑contact water‑level data. Connect the full system through OTT XLink and integrate directly into SCADA for real‑time operational visibility and alarms.

Monitor rivers with reliable, simple-to-use solutions that deliver continuous, real-time insight into water levels, flow, and quality. Because rivers respond quickly to storms, seasonal shifts, and upstream activity, dependable monitoring is essential for flood warning, allocation, habitat protection, and operational decision-making.

Combine In-Situ Aqua TROLL multiparameter sondes with VuLink telemetry and HydroVu for real-time visibility into key parameters. Pair with OTT level and flow sensors—including radar, pressure, bubbler, and surface-velocity technologies—and connect through OTT XLink or SatLink for scalable, multi-sensor river monitoring networks.

Track changing weather with simple, reliable precipitation-monitoring solutions that deliver accurate, real-time rainfall and snowfall data. These insights support flood warning, watershed management, and operational decision-making.

Choose the OTT HydroMet WS100 for maintenance-free, non-contact rainfall detection; a tipping bucket gauge for reliable intensity and accumulation measurements; or the OTT Pluvio all-weather gauge for the highest-accuracy assessments across all precipitation types. Pair any sensor with OTT XLink or SatLink for seamless cellular or satellite transmission.

Collect accurate water quality data to protect aquaculture livestock in ponds, open pens or RAS systems. Spot checking and continuous monitoring provide real-time data to ensure that finfish and shellfish are healthy and operations are running efficiently.

Spot-check dissolved oxygen with the cost-effective In-Situ RDO Blue, use the RDO Trio or Aqua TROLL multiparameter sondes for continuous monitoring, or integrate RDO Core Modules into custom platforms, including underwater cameras, robotics, and AUVs.

Maximize every drop with simple, reliable irrigation monitoring that delivers real-time clarity on flow and water use. Accurate, time-stamped data helps optimize delivery, support compliance, and protect water rights across irrigation networks.

Use the OTT RLS 500 for precise, non-contact level monitoring in ditches, canals, and open channels. Pair with the OTT SensorLink 1000 for streamlined installation and reduced maintenance. For complete flow-measurement needs, In-Situ Mace systems provide accurate, site-ready data to improve irrigation efficiency.

Meet regulatory requirements while reducing energy and chemical costs. Reliable water quality monitoring supports consistent process control and helps ensure discharge compliance.

Monitor every step of the treatment process in real time with single-line and multiple-line ChemScan analyzers. Measure critical parameters like suspended solids and UVT with the low-maintenance TurbiTech, and dissolved oxygen with the RDOX. Gather data on the go with cost-effective spot-checking tools like the SludgeWatch 715.

Control costs and meet requirements using trusted technologies for drinking water process monitoring and analysis, wherever you are.

Use In-Situ Aqua TROLL multiparameter sondes to monitor raw water quality from water sources before it enters the treatment plant. Control chemical balance during chloramination with the ChemScan mini ChlorAm and ChemScan UV-2250/S. Continuously monitor filtration with the ChemScan mini. Control finished water with the ChemScan UV-6201 and TurbiTech D-ISO.

Stay connected to your data anytime, almost anywhere. Cellular telemetry automatically transmits water-level, flow, and water-quality measurements—plus images—so you can check station status in real time without unnecessary site visits.

For turnkey cellular telemetry, pair In-Situ VuLink with HydroVu for streamlined deployment, data access, and alarming. Or, choose any of the OTT dataloggers (XLink, SatLink, ecoLog, and SensorLink) for remote data transmission and two-way communication

Stay connected in even the most remote locations. Satellite telemetry provides continuous visibility into critical water-monitoring data when cellular coverage isn’t an option, with GOES, Meteosat, and Iridium networks ensuring dependable transmission from isolated sites.

For added resilience, OTT XLink and SatLink deliver robust satellite-enabled data transmission with multi-sensor integration, long-duration solar-power support, and reliable communication in harsh environments—keeping your data accessible when it matters most.