Blog

This is the home of all of our Blog Posts, these include case studies, webinars, training sessions, and so much more!


November 4, 2021

Lutra TV Launch

Lutra are excited to announce that we have recently released our YouTube channel - Lutra TV. Designed to offer insights into new and existing technologies, information about challenges faced within the Water and Wastewater industries and expert opinions from across the industry, Lutra TV is a free resource for our industry.
October 8, 2021

Case Study – Matamata-Piako Filter Renewal

In the middle of June 2021, Matamata Piako District Council (MPDC), Filtec and Lutra began physical work on the renewal of all 12 gravity filters in the district. The project comprises of renewal of the existing media, replacing the nozzles and increasing the height of the backwash launders.
September 13, 2021

Lutra Infrastructure Data virtual sessions

Lutra are offering free drop-in training sessions to learn how Infrastructure Data (ID) can support you as your teams move to remote working.
August 19, 2021

Lutra Engineering Support sessions

Lutra are offering free drop-in consulting sessions to support your teams as they are working on site. There will be two sessions, each with our seasoned Principal Process Engineers and Process Scientist, on hand to answer your Water & Wastewater questions.
August 18, 2021

Lutra Infrastructure Data drop-in sessions

Lutra are offering free drop-in training sessions to learn how Infrastructure Data (ID) can support you as your teams move to remote working.
August 8, 2021

Lutra opens a Hamilton office

Lutra have recently opened an office in the heart of Hamilton. Check out our office and opening event.
April 20, 2021

What is it like to be a Graduate at Lutra?

Ciaran joined Lutra at the beginning of 2020 as a Graduate Process Engineer. One year on, he tells us how he has found his first year and what he learnt.
March 12, 2021

Webinar Recording – Compliance Reporting for the Drinking Water Standards NZ

Join Lutra as we cover off the proposed changes to the compliance monitoring and reporting for the Drinking Water Standards and show how these can be achieved.
February 28, 2021

Case Study Wellington Water Risk Modelling

Wellington Water operates the Te Marua water treatment plant (WTP). Earthquake strengthening is required on the Kaitoke flume bridge which connects the primary source (Hutt river) to the WTP. Modelling of supply and demand was required to determine the risk with isolating the primary source to the water treatment plant and determine the best strategy for shutdown planning.
February 3, 2021

Webinar Recording – Panelist discussion on upcoming changes to the Drinking Water Standards NZ

Join Lutra as we discuss the Draft exposure of the Drinking Water Standards Operational Rules and the affect these will have on local authorities across New Zealand.
December 20, 2020

45 Key Points from the Draft Drinking Water Supply Operational Compliance Rules

There is a lot to get through in Taumata Arowai’s new Drinking Water Supply Operational Compliance Rules, so we have highlighted what we think are the top 45 need to know facts.
November 9, 2020

Wastewater Safety Plans

Lutra's Chief Engineer, Louis Ortenzio, recently presented a paper at the Water NZ 2020 conference on the development of a Wastewater Safety Plan (WWSP) at Matamata-Piako District Council (MPDC). Read the full whitepaper here.
November 1, 2020

Haumoana Commissioning

Following the successful commissioning of the Tairua water treatment plant, Lutra’s Senior Process Engineer, Emily Clapham, and Principal Process Engineer, Iain Rabbitts have returned to the Thames-Coromandel district to provide commissioning oversight for the Pauanui water treatment plant.
October 26, 2020

Case Study New Plymouth Wastewater treatment plant

When New Plymouth District Council (NPDC) recently upgraded their wastewater treatment plant’s headworks, they needed an advanced hydraulic model to better estimate the types of headlosses they would experience under various flow conditions. They approached Lutra to help develop such a model.
October 26, 2020

Pauanui Commissioning

Following the successful commissioning of the Tairua water treatment plant, Lutra’s Senior Process Engineer, Emily Clapham, and Principal Process Engineer, Iain Rabbitts have returned to the Thames-Coromandel district to provide commissioning oversight for the Pauanui water treatment plant.
July 14, 2020

Analysis and comment on the MoH Annual Report on Drinking Water Quality 2018-2019.

970,000 people connected to registered water supplies were provided with water that did not meet New Zealand Drinking Water Standards in the 2018-2019 compliance year. Read our comments on the report here.
October 29, 2019

The water regulator – A giant step in the right direction.

1,008,000 people were supplied with water that did not meet the New Zealand Drinking-water Standards (2008) in the 2017-2018 compliance year. 322,000 people were supplied with water that did not meet the bacteriological requirements of the standards.
July 9, 2019

Report card on New Zealand Apprenticeship In Water Treatment and Wastewater Treatment

There is a lot of discussion these days about improving training and competency in the water industry but not a lot of information about what’s happening to improve training outcomes. Two years ago, Connexis, a New Zealand training organisation and water industry representatives came together to implement a revamp of national qualifications. The results of which are now bearing fruit.
July 3, 2019

Analysis and comment on the MoH Annual Report on Drinking Water Quality 2017-2018.

1,008,000 people were supplied with water that did not meet the New Zealand Drinking-water Standards (2008) in the 2017-2018 compliance year. 322,000 people were supplied with water that did not meet the bacteriological requirements of the standards.
June 10, 2019

Dealing with dirty water complaints

Manganese is probably the biggest cause of discolouration of treated water and resulting customer dissatisfaction in the public water supply. An understanding of how manganese impacts water supply networks can help you manage this issue.
May 14, 2019

10 real-time water treatment analytics

Most treatment plants have the instrumentation necessary to be able to create great analytics in real-time, turning data into actionable process insights. Yet despite all the talk of digital transformation in our industry there are precious few plants where this actually happens. So here are 10 analytics that you could implement at your plants to kick start your own digital transformation.
February 5, 2019

How to predict peak summer demand using an artificial neural net (ANN).

The recent hot spell in New Zealand and Australia put a lot of water supply systems under pressure. Knowing what the demand will be for the current day and for the next 7 days allows for proactive management of supplies, water restrictions and consents. Learn how to predict summer demand.
January 29, 2019

7 Tips to avoid failure in water data visualisation

A lot of water industry technical reports, papers and presentations feature great data presented poorly. This can confuse rather than inform, creating a negative perception in the audience. So, take a look at our tips on how to avoid common mistakes when presenting water data.
January 18, 2019

How to comply with DWSNZ2018

Recent revisions to the DWSNZ have to be implemented by 1st March 2019. We've developed a practical guide to help you comply with the changes.
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