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Remote Water Quality Monitoring in South Africa

Situated in the Mpumalanga province of South Africa, the Xstrata Coal South Africa (XCSA) runs several open cut and underground mining operations producing thermal coal.To ensure their mining operations do not affect the surrounding natural water...

65 new OTT ecoLog 500 stations in Denmark for a crop cutting research project

The associated sets of water level and water flow data, together with detailed records of the physical conditions, can form the basis for calculating the specific effects of the crop cutting on the water level and the manning number (expressing the...

Surface Water

Measuring water quantity and quality in surface water (open channels, rivers, reservoirs, lakes, and estuaries) is one of the foundations of hydrological monitoring and has been a focus of OTT Hydromet since its first  water current meters were...

Mining

Ensuring that pollutants from mining activities do not enter surrounding natural water bodies is a key issue in environmental monitoring and regulatory compliance. Hydrolab multiparameter sondes can measure a variety of parameters pertaining to...

Groundwater

Measuring groundwater level or depth-to-water is critically important for identifying long term trends, including declining water levels, saltwater intrusion, seasonal variations, aquifer recharge, artificial aquifer storage and recovery, and level...

Monitoring ditch water quality using OTT ecoN, Hydrolab HL4 and XLink 500

The RIVM in the Netherlands is using the OTT ecoN and the Hydrolab HL4, connected to an XLink 500 datalogger, to monitor the temporal variation of nutrients in ditch water. The data is sent to Hydromet Cloud. The goal of this project (WaterSNIP) is...

Groundwater Monitoring around Hydraulic Fracturing Sites in Colorado

Hydraulic fracturing or ‘Fracking’ has become more prevalent and controversial in the US in recent years. More than 90 percent of new wells in the US are completed using this method. While it is endorsed by some as a game-changer that promises an...

Rosenheim – Discharge Measurement under challenging conditions

The measurement station in Bad Aibling Triftbach, which is part of the state measurement network operated by WWA Rosenheim on behalf of the Bavarian State Office for the Environment, has been in successful operation for some time now. In 2018 this...

OTT Water Level Logger Used in Small Irrigation Channels in Valencia, Spain

The irrigation sector in the Valencia area was forced to start measuring the levels in their channels. For this a simple system was required and a very discrete installation needed due to high chances of vandalism and low budgets available from the...

Oil & Gas

Monitoring natural water bodies surrounding oil and gas drilling activities like hydraulic fracturing is a key issue in environmental monitoring and regulatory compliance. Hydrolab multiparameter sondes can measure a variety of parameters pertaining...

Ireland Groundwater Monitoring Program

To fulfill the EU Water Framework Directive (WFD) requirements, a groundwater monitoring program was established by the Environmental Protection Agency of Ireland. This program focuses on providing information to assess the environmental status of...

Village installs local flood warning system | Oxton - Nottinghamshire

A village in Nottinghamshire has installed an advanced river monitoring system from OTT Hydrometry that automatically issues text (sms) message alarms so that residents can implement flood protection measures. Oxton has a history of flooding problems...

Water Quality in the Mississippi Basin

A resilient method for monitoring water quality and nitrate levels in the harsh aquatic environment of the Mississippi River, in section 16, was required by the University of Iowa -IIHR. The monitoring of continually accurate water quality data was...

OTT SVR 100

OTT SVR 100 is a simple, non-contact, compact surface water velocity radar sensor. Designed for measuring flow in open channels and rivers where reliable velocity data is required continuously, during floods or periods of high concentrations of...

Flow & Discharge

Measuring water flow and discharge to determine the amount of water flowing through an open channel is critical for predicting water availability and flood events, allocating watering, and more. OTT Hydromet has been a leader in flow meter...

Buoy-based temperature profiling in the Bavarian Lakes

In summertime a temperature stratification occurs in deep lakes – the surface water is warm, but deep down the water is cold.  This has considerable influence on the nutrient balance and the biological habitat in these lakes. Due to generally higher...

Well monitoring for a water supplier

The municipality company, in city of Luebek, Germany, provides potable water for approximately 120,000 households, all pumped from more than 30 wells.  These wells have water levels as deep as 160 meters.  The water levels of these groundwater wells...

Dam Monitoring in South Africa

The purpose of the Komati River Basin Development Project is to ensure the availability of water in order to promote economic development in the region. OTT’s part of the project was to supply dataloggers for the monitoring of the river flows into...

OTT PLS 500 - Pressure Level Sensor

Building on years of experience with the robust and accurate OTT PLS, the PLS 500 water level monitoring solution adds innovative metadata and internal sensors to remotely verify device performance providing peace of mind for long term deployment. 

Agriculture & Irrigation

OTT Hydromet sensors can provide key information on trend identification and regulatory compliance for water quality and quantity parameters around agriculture and irrigation activities. OTT water level and flow sensors can measure the discharge of...

News and Pressroom

OTT Hydromet has launched a new water level sensor, the OTT PLS 500, which combines robust reliability and accuracy with the advantages of smart sensor technology. Building on decades of experience, the redesigned PLS 500 retains key...

Hydropower

Monitoring the impact of Hydropower plant activities on water bodies can be important for regulatory compliance and modeling purposes.Hydrolab instruments can measure total dissolved gas (TDG) levels around Hydropower activities and both Hydrolab and...

Water Quality Monitoring and Weather Data at Pampulha Lake-Brasil

 In 2010, OTT Hydromet's partner in Brasil,  Hexis began working with CETEC. This resulted in the installation of a buoy, equipped with an automatic profiling system, in early 2013. The project’s objective is the continuous monitoring of the lake’s...

Urban Hydrology

Urban Hydrology deals with the specific aspects of the hydrological cycle in urban and industrial settings. This includes all natural water flows as well as the consideration of precipitation, storm water, groundwater, rivers, and lakes, but also the...

OTT Z400

The digital counter OTT Z400 is a time-saving device for flow measurements with hydrometric current meters. It automatically records the number of propeller revolutions by counting the impulses. Besides, it can output the velocity of flow immediately...

Water quality monitoring at the "Klingenberg" dam in Saxony, DE

The Klingenberg dam is located in the Free State of Saxony and serves the drinking water supply of Dresden and large parts of the former Weißeritzkreis area. Besides, it contributes to flood protection and, to a small extent, to energy generation. ...

Control of Dredging Works in the Danube River - Austria

The Austrian waterway management has introduced an automatic system to monitor a series of barges, which calculates the dredged material as a basis for handling invoices of the dredging companies. Before converting to a remote data transmission...

How to ensure real-time access to Antarctic tide data

The SATGN is maintained and operated by the National Oceanography Centre, which is the UK centre of excellence for sea level monitoring, coastal flood forecasting and the analysis of sea levels. It is the focus for marine water level research in the...

New network of weather stations in Sheffield

OTT HydroMet is installing fifteen automatic weather stations as part of the University of Sheffield’s Urban Flows Observatory, which is led by the Departments of Civil and Structural Engineering, and Automatic Control and Systems Engineering (ACSE)....

Mine Water Treatment Relies on Borehole Loggers

For the last nine years, Severn Trent Services, has managed a contract for mine water treatment across the Coal Authority estate, including 73 mine water treatment schemes in England, Scotland and Wales. These schemes take the form of three types:...

Discharge measurement at the river "Große Roeder" in Saxony - Germany

Due to the seasonally strong weed growth and low flow during low water periods the measurement of water level and flow at the measurement site "Kleinraschuetz“ was rather distorted. It had to be corrected by putting in additional manpower for manual...

New monitoring network for Scottish ports

In the past, the ferries operating off the west coast of Scotland would have to sail to port to assess weather and tidal conditions would allow them to berth alongside the pier.  In efforts to save time, fuel and costs, the Caledonian Maritime Assets...

Flood protection program Zulawy, Gdansk – Poland

Zulawy is a region which is located in the delta of Vistula River in north Poland. The area of Zulawy is about 175 000 ha, almost 26% of which is situated below sea level. Because of that, Zulawy has an impressive infrastructure – kilometers of...

Anwenderforum

Accurate flow and discharge measurement has been a core competency of OTT Hydromet since we created our first flow meter in 1875. Choose from a variety of either portable or stationary measurement options using different measurement...

Precipitation measurement in high mountains - Aosta Valley

Precipitation monitoring in remote areas without infrastructure was thought to be impossible in Aosta Valley, Italy. All the more challenging was the task to install a measuring site on the Peak CIMO Blanche with its height of 3000 meters (just shy...

Discharge Measurement Deep Within a Cave

Research is currently being conducted in the Hessenhau cave, located in southern Germany. The cave is the deepest known within the Swabian Alps at 144m (472 ft) and has a stream running through it that connects it to other caves within the area. ...

OTT Contact Gauges

OTT Contact Gauges are essential for manual measurements of depth to water, temperature, and conductivity in groundwater. The drum is held by a stable frame and is easy to carry. It is very smooth, so that you can effortlessly drain and haul the...

landingpage-stromwater

Accurate flow and discharge measurement has been a core competency of OTT Hydromet since we created our first flow meter in 1875. Choose from a variety of either portable or stationary measurement options using different measurement...

Harris County Flood Warning System

The Harris County Flood Control District in Texas was created in 1937 as a response to the devastating floods that struck the region between 1929 and 1935. The District's boundaries protect 3.7 million people and include the city of Houston....

OTT Hydromet Water Flow Solutions

Accurate flow and discharge measurement has been a core competency of OTT Hydromet since we created our first flow meter in 1875. Choose from a variety of either portable or stationary measurement options using different measurement...

About us

OTT HydroMet is celebrating its 150-year anniversary, a milestone few companies achieve. We've had a lot of success along the way.  Click to view timeline

Satellite telemetry supports flood protection in Scotland

Scotland's water is famed worldwide, and performs vital roles both in tourism and in the production and branding of some of the country’s greatest exports. Water resources are monitored closely by the Scottish Environment Protection Agency (SEPA) to...

Sutron SatLink 3 GOES Data Logger

Sutron’s SatLink3 provides a cost-effective way to measure, log, calculate and transmit data from remote locations around the world. The unit monitors 32 independent measurements of most hydrological, meteorological, environmental or related sensors.
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OTT Pluvio²L in use for a research project in Antarctica

Close to McMurdo Station in Antarctica, researchers from the University of Colorado, Boulder and the National Center for Atmospheric Research are investigating methods to measure the accumulating snowfall in the harsh Antarctic environment. These...

Groundwater Monitoring Underpins Management of the Great Fen, UK

In 2001, five organizations came together to set out a vision for the Great Fen, with the aim of providing a more sustainable future for the area. In many respects, this work focuses on restoration by managing water levels, so a network of monitoring...

Service

Contact Service International Support: Phone +49 831 5617 430 E-Mail: [email protected] [email protected] (North America) Find your local contact

Rentals

Rental instruments are a perfect choice for short-term projects. All rental products are factory calibrated and tested before shipment. Weekly and monthly rates are available and the cost of the rental can be applied toward purchase of a...

OTT Hydromet Water Quality Solutions

Hydrolab multiparameter sondes can measure water quality in either spot sampling or unattended, real-time data capture in surface water applications. Certain Hydrolab multiparameter instrumentation is also compact enough to fit in...

49 stations along the Mekong River - Cambodia - Vietnam - Laos - Thailand

The Mekong River Commission Secretariat (MRCS) is a Basin Management Organization formed through the joint-cooperation of Cambodia, Lao PDR, Thailand and Vietnam. China and Myanmar are also partners with the MRCS. The organization aims at...

Legal Information

Address: OTT Hydromet GmbH Ludwigstr. 16 87437 Kempten Tel.: + 49 - (0)831 5617 - 0 Fax: + 49 - (0)831 5617 - 209 [email protected] Managing Directors: Nadia Iannuzzi, Patrick Gierman, Jeffrey Stock, Nina von Sivers  Commercial...

Flood Water Protection in the City of Buenos Aires

The Arroyo Mendrano is the second largest channeled stream of water running through Buenos Aires. In case of heavy rainfalls it overflows its banks and causes considerable material damage. When the retention basin which had been especially built to...

Stormwater

Recent events involving heavy rainfall in regions away from known flood hotspots show that many cities, towns and villages are having to deal with situations that have never happened in recorded history. Flooding, highways and drainage...

Legal information

LEGAL INFORMATION Provider data according to TDG/ MDStV OTT HydroMet GmbH Ludwigstr. 16 87437 Kempten Germany Tel.: + 49 - (0)831 5617 - 0 Fax: + 49 - (0)831 5617 - 209 [email protected] Managing Director: Nadia Iannuzzi, Patrick...

OTT Hydromet Water Level Solutions

Ideal for monitoring continuous water level networks, lightning prone areas, channels with long, flat embankments in rivers, lakes, reservoirs, wetlands and groundwater wells.Combining the CBS with an EPS-50 bubble chamber reduces the...

Reservoir Aabach Germany - Continuous monitoring of contact pressure

With a total volume of approximately 20 million cubic meters of water and a length of 450 meters, the reservoir supplies drinking water for 200.000 people in the area and fulfils also an important  function in the flood protection there. With the new...

Weather data for nautical information system

In Lemwerder, Germany at the Weser River, wind direction and speed are measured and transferred in 60 second intervals via the OTT netDL 1000.  The data is transmitted, wireless, over a distance of 600 meters to the radar tower in Ritzenbuettel,...

Weather stations for the 2014 Winter Olympic Games in Sochi

For real-time meteorological data at the XXII Winter Olympic and XI Winter Paralympic Games in Sochi from February–March 2014, 29 specialized automatic meteorological stations (AMS) were installed in the areas close to the Olympic sport venues from...

Conductivity Sensor

The Hydrolab conductivity sensor uses four graphite electrodes in an open cell design to provide extremely accurate and reliable data with very low maintenance. The sensor is used to measure specific conductance, salinity, total dissolved solids...

Monitoring underground water resources in Brazil

The Coca-Cola FENSA plant in Mogi das Cruzes is responsible for bottling mineral water supplied from two ground water sources. The plant is a benchmark for environmental sustainability projects. With this pioneer project the Mogi das Cruzes plant was...

Precipitation Measurement in East Tyrolia High Mountains

The Defereggen Valley's remote location is in the middle of the East Tyrolean high mountain valleys in the Alps. Due to the remote location, extreme weather conditions, and lack of infrastructure, it had not been possible to install an official...

Bedford Flood Gate Control

Bedford Borough Council have been given responsibility for the management and control of 2 flood gates on the Great Ouse in the center of Bedford. OTT Hydrometry were successful in the tender process and were commissioned to install a monitoring...

Total Dissolved Gas (TDG) Sensor

Hydrolab's Total Dissolved Gas (TDG) sensor uses a pressure transducer mounted behind a rigid gas-permeable membrane to measure amount of total gaseous compounds dissolved in a liquid.

OTT netDL Data Logger

The versatile OTT netDL 500 and 1000 data loggers were developed specifically for use in hydrology and meteorology stations. In addition to recording data, the data loggers are extremely low power and offer flexible data transfer options via the...

Modern monitoring network in the Indian Ocean

Three public authorities in Sri Lanka are responsible for various tasks in water management and they all depend on hydro-meteorological data. However, the existing monitoring network was in poor condition and reliable, up-to-date measurement values...

Legacy product - OTT ADC

The OTT Acoustic Digital Current meter (ADC) delivers consistently accurate results with the most advanced acoustic technology available for point velocity measurement. Designed specifically for in-stream velocity measurement, the ADC features a...

Hydrolab HL4 Multiparameter Sonde

The Hydrolab HL4 is the next generation multiparameter water quality sonde from OTT Hydromet.  Know the instrument is working correctly and troubleshoot quickly. Streamline calibration tasks and produce valid, scientifically defensible conclusions.

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ott.com

In 1873, OTT was founded by inventor Albert Ott in Kempten, Germany. Join us at our site on the beautiful River Iller for a special video message Learn More

All-weather meteorological stations in the Carpathian Mountains - Hungary

For a development project on the Hungarian hydrometrical network operated by the Hungarian Meteorological Service (OMSZ), 141 new meteorological measuring stations were installed across the country. The all-weater climate stations have to provide...

E.ON Power Plant Nuremberg

Water level, water flow and discharge are monitored at two inflows of the E.ON electricity power plan Franken I, using the OTT SLD, with horizontal Doppler-flow sensors. The purpose of this measurement is to optimize the operation of the plan which...

HOTTline - availability of our customer service during the end-of-year and new year holidays 2019 / 2020

In the period of Christmas and New Year's Eve we are reachable by Hotline via the number 0831 5617 430 or via email to [email protected] as follows: On Friday, December 13, 2019, we can be reached only in the morning at the...

OTT Hydras 3 net

The Hydras 3 Application Software is designed for data management in hydrometrical and meteorological monitoring networks. Hydras 3 offer a practical, user-friendly software structure for the collection, processing, interpretation, evaluation and...

OTT Hydras 3 Basic

OTT Hydras 3 Basic communication software is a convenient and user-friendly solution for the configuration of OTT dataloggers, for downloading measured values using a notebook, and for automatic remote data collection via modem. Hydras 3 Basic is...

OTT Hydras 3 net Hosted

Hydras 3 net Hosted is designed for data management in hydrometrical and meteorological monitoring networks. Hydras 3 net Hosted is a browser-based add-on to Hydras 3 with additional functionalities.

With Hydras 3 net Hosted, OTT HydroMet is...

Flood Warning Station at Kriebstein, Saxony - Germany

As flood-warning station and hydrometric base station with a catchment basin of 1754 km2 , reliable data monitoring is extremely important for the hydrological balance of Freiberg and for the whole area around the Mulde. The power plants, located up...

Bench Service Partnerships

Service contracts can reduce your instrument's lifetime repair costs by over 25%, decreasing your overall cost of ownership and increasing your return on investment. Plus, there are no hidden fees or additional repair expenses. This allows...

New Website Features

Note: for optimal browsing experience, please use Internet Explorer Version 9 or higher, Mozilla Firefox Version 25 or higher, Google Chrome Version 31 or higher, or Apple Safari Version 5.1 or higher. Simple designQuickly find the...

Sutron SatLink 3 XMTR

The SL3-XMTR-1 Transmitter offers a reliable and low-cost method of adding Meteosat / GOES satellite transmission capability to almost any Data Logger. SL3-XMTR transmits the buffer contents of a data logger to one of many Environmental Satellites...

OTT MF pro - Water Flow Meter

The OTT MF Pro is a user-friendly, low maintenance electromagnetic current meter for cost-efficient in-stream discharge measurement.

The OTT MF pro saves time in the field by automatically calculating discharge and its electromagnetic sensor head is...

OTT ecoLog 1000 Water Level Logger

The OTT ecoLog 1000 is a self-contained, robust surface and groundwater level logger for measuring water level, temperature, and conductivity. It provides reliable system up-time and accurate measurements while avoiding data gaps. It’s simple to...

Meteorology

High-accuracy precipitation data is used for watershed monitoring, airport and highway transportation forecasts,  general weather forecasting,  and Doppler radar ground truthing. OTT Hydromet offers a variety of precipitation measurement...

Ventus

The accurate wind sensor uses the run-time differential method for determining the wind speed and wind direction. It provides output for instantaneous values, vector and scalar means, the maximum gust of wind and wind direction, the maximum/minimum...

OTT Pluvio² S

The OTT Pluvio² S weighing precipitation gauge measures the intensity and cumulative precipitation in a broad measuring range from 0 to 3,000 mm/h.

The professional rain gauge is a further development of the tried-and-tested OTT Pluvio², with...

Hydrolab HL7 - Multiparameter Sonde

The HYDROLAB HL7 multiparameter sonde offers a versatile, durable and practical solution to the day to day needs of monitoring programs for both simple and complex deployments. With a large sensor suite, it is able to thrive in demanding...

Sutron SatLink3 Lite Data Logger

The SUTRON SatLink3 Lite is the latest addition to the SatLink3 family. It offers a reliable and cost-effective solution for your environmental monitoring needs, optimized for simple applications. It allows measuring, processing, and logging data...

Cookie informations

Cookies are essential for the proper functioning of a website. To offer a more pleasant experience, we use cookies to store your login information in order to ensure safe application, to collect statistical information, to optimize the...

Nutrient Monitoring

Continuous monitoring of nutrient levels provides crucial information about daily, seasonal and event based changes in water quality conditions, and can be a strong indicator on the overall health of the water body.  In recent years, monitoring of...

Flood Monitoring

While some areas are more prone to flooding than others, the establishment of flood monitoring systems near every major river or water body provides important information that helps protect property and lives. Of course, the most effective flood...

Continuous Discharge Monitoring in Mecklenburg - Germany

The Wallensteingraben was originally constructed as a channel and is almost 20 km long. In the context of implementing the European Water Framework Directive, goals include improving ecological passability. At the same time a measurement site for the...

OTT CBS - Compact Bubbler Sensor

The OTT CBS is a compact, accurate, and low power bubbler sensor for surface water level monitoring. The OTT CBS meets or exceeds USGS standards for accuracy, and will not drift over time. It features outputs for SDI-12 and 4...20 mA.

Training

Training workshops are periodically offered around the US and are an excellent opportunity for hands-on instruction with Hydrolab and OTT products from certified professionals.Workshop topics include:     Applications and instrument...

Hydrolab Surveyor HL Handheld

The Surveyor HL is the handheld display that connects to the Hydrolab HL4 for attended monitoring applications and for completing other common tasks with the sonde in the field. It is rugged and compact with a color screen that is visible in direct...

Marketing-Support

Below you can find current OTT marketing campaigns: GENERAL Hydro Trends 2021 To the landing page   OTT HydroMet Webinar Series 2020 US version To the landing page   OTT HydroMet Webinar Series 2020 EMEA/APAC To the landing...

Contact-less and maintenance-free OTT SVR 100

What applications are available for continuous flow measurement in rivers, streams and canals? How do you get reliable measurement results and who guarantees the quality of your data, especially in extreme events with high outflows? In...

Coastal & Estuary

Measurement of water quality in coastal regions and estuaries is critical in the characterization of hypoxic ‘dead zones’ as a result of nutrient loading and algal blooms in the water bodies. Sediment loading analysis through turbidity measurement is...

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OTT C2

The OTT C2 small current meter for discharge measurements for shallow waters in small rivers, channels, laboratories and river models. Proven a thousand times to measure reliably flow velocities from 0.025 up to 5 m/s. Available for rod measurements...

OTT Maximum Level Gauges

The OTT Maximum Level Gauge is a cost-effective measuring device that indicates the maximum water level by tidal waves or other level fluctuations over a color marking. It is based on the simple principle of color marking. The threshold level is used...

OTT Staff Level Gauges

Staff gauges from OTT as basic equipment for every level / discharge gauging station. Depending on whether the staff gauge is to be mounted vertically or on a slope, you can choose between vertical or inclined staff gauges. Furthermore the staff...

Sutron XLink 100/500 Logging Transmitter

Sutron’s XLink product family offers a cost-effective Wi-Fi enabled datalogger with data transmission via Iridium or Cellular. Ideal for use with multiple digital and analog sensors supporting basic or advanced monitoring applications. The product...

OTT C31

The OTT C31 Universal Current Meter is designed for flow velocity measurements in combination with hand-held wading rods or cable suspended from a bridge or boat. Different accessories like sounding weights (middle pieces), sounding reels (winches),...

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