Water / Wastewater - UK Focus v Aquatic Informatics Launches HydroCorrect
The new machine-learning engine automates QA/QC processes, signifi cantly reducing time and errors.
Aquatic Informatics™ launches HydroCorrect™, a new automated data validation tool that can power proactive monitoring and management of groundwater, fl ooding, and water quality in the Aquarius™ platform. HydroCorrect transforms data quality assurance and quality control (QA/QC) processes using machine-learning to automate and standardize workfl ows, detect data anomalies, ensure regulatory compliance, and enforce data standards organization-wide, leading to an exponential reduction in time and resources spent on the QA/QC process. The tool provides immediate recommendations on how to respond to environmental events and infl uence long-term decisions while ensuring the data that drives those suggestions is defensible, reliable, and timely.
Michael McCormick, Vice President of Product at Aquatic Informatics said, “Anomaly detection and correction is one of the most important and time- intensive elements of working with time series data, and it is becoming a bigger problem as data volumes grow. Aquarius already provides advanced tools to help users rapidly see and correct erroneous measurements. With machine-learning technology, HydroCorrect will transform the QA/QC process with automation and standardized workfl ows that save time and improve data quality.”
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Enhanced sensitivity for river monitoring for compliance with the UK’s Environment Act 2021
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The monitoring requirements of the Environment Act 2021 will in many cases prompt demand for multiparameter sondes such as the Hydrolab HL7, but in some situations where greater sensitivity is required for example in cleaner rivers and/or where a cluster of discharges are being monitored together to create economies of scale, the use of single parameter instruments may be preferred. “Our analysers are deployed in rivers and for wastewater and drinking water monitoring,” explains HACH’s Richard Addison. “In all these situations, HACH analysers are able to deliver high levels of sensitivity, accuracy and reliability. The provision of mains power for analysers may present a challenge in some locations. Nevertheless, the ammonia analyser, for example, can be provided as a dual stream instrument allowing the same analyser to be deployed for both upstream and downstream monitoring.”
Hach’s Amtax SC digital on-site ammonium analyser offers a high degree of accuracy and needs only minimal supervision thanks to automatic cleaning, calibration and self-diagnosis. Amtax sc instruments are ideal for installation outside or mounted in a kiosk, and offer easy access for reagents and servicing. Amtax could be
used in conjunction with the Solitax sc for turbidity, using the infrared duo scattered light method. Solitax sc provides a unique colour independent measurement of solids and is ideal for monitoring river water. In addition, HACH’s pH probes could be utilised, offering exceptional pH sensor performance using the differential electrode measurement technique. Hach’s LDO2 probes offer highly accurate, reliable dissolved oxygen measurement utilising Hach’s luminescent technology. This optical probe dispenses with the requirement to replace membranes and electrolyte solution, making it virtually maintenance-free.
HACH instruments are deployed in hundreds of locations across the UK and offer reliable and highly accurate analysis of water quality. For river monitoring applications, these instruments, and the prefi lter for the AMTAX, could be installed in a sampling trough with all instruments mounted in a kiosk, complete with a suction pump to supply river water from the desired sampling location.
All of the HACH instruments and associated controllers utilise Prognosys, a predictive diagnostic system that alerts users to any upcoming instrument issues. More information online:
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National Environment Data Hub may see the dawning of the age of Aquarius
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As the UK makes plans to create a National Environment Data Hub, Dr Liam Goodes from OTT HydroMet says: “The Aquarius water data management platform would be an ideal candidate for handling the enormous amount of data that will be generated by the event duration and water quality monitors stipulated by the Environment Act 2021.”
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In May 2023, Water UK said: Water and sewage companies will collaborate on creating, by this time next year, a new independently overseen National Environment Data Hub to provide the public with up-to-date information on the operation of all 15,000 sewage overfl ows in England. For the fi rst time in the world, any member of the public will be able to get national ‘near real time’ (within the hour) information on what is happening, building on the requirement on individual companies set out in the Government’s world-leading Environment Act. This will strengthen accountability, help the public to track progress and empower swimmers and others with the information they need. In addition, as thousands of new river quality monitors come online (planned to be installed from 2025 onwards), this additional data will also be added to the Hub to let people see the real-world impact on rivers.
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In many countries, Aquarius is being used to gather, manage and display data from thousands of measurement points, so the UK requirement would be similar in many respects.
By centralising environmental data within Aquarius, users can organise, analyse, and compare specifi c parameters for water quality and share those contextual insights in a more digestible way to non-technical stakeholders. For example, the modern dashboard approach improves team accessibility and understanding of continuous water quality data, and more specifi cally, how things change over time and when there are concerning deviations that require emergency response. Aquarius therefore improves water quality monitoring and reporting by enabling more informed decision making with purpose-built QA/QC tools, data visualisation, and customisable alerting without any tedious management and administration.
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