A brief introduction into what to expect from this Introduction to Water and Wastewater Treatment course.

Presented by Lutra CEO Quentin Griffiths.

We break things down into simple, manageable parts so you never feel overwhelmed.

Coagulation and Flocculation are an important part of many treatment processes. This lessons looks at what there are, what they do and why they are important to get right.

Controlling the pH of water in your plant as well as that leaving it can be very important. pH can affect the efficiency of certain treatment chemicals as well as causing erosion in the pipe network, which is why pH correction chemicals are often dosed. This lesson explains the concept of pH control/correction.

Dissolved Air Flotation or DAF is a common treatment step that helps remove certain particles from water. Find out more about what it is and how it works in this lesson.

Media filters especially, granular gravity filters are at the heart of many treatment plants in New Zealand, this lesson explains what they are and how they work.

Membrane filters are a popular type of Filtration in New Zealand. This lesson explains what they are and how they work.

UV Reactors and UV disinfection have become one of the most important steps in treating drinking water. This lesson explains what UV reactors are and how they work.

Chlorine is an important chemical in water treatment, as when used correctly it disinfects water making it safe to drink all the water to the end users home or business. This lesson looks at what it is, and how it works.

pH correction and control can be an important treatment step, as the wrong pH range can adversely affect certain treatment chemicals effectiveness, as well as causing corrosion problems in pipe networks. This lesson explains what it is and how it works.

Sludge is produced by many processes in a water treatment plant, and so it is usually treated further to dewater it, saving money on disposal. This lesson talks about what dewatering is and how it works.

Fluoride is a chemical often added to water to help with dental health. This lesson looks at what it is, how is it dosed and why is it sometimes contentious.

E.coli is one of the main contaminants you will test and sample for in water treatment, what is it, why is it such a key indicator organism and what is done if you get a positive result.

This lesson looks at total coliforms, what they are and why it is important to test for them, and what to do if you get a positive result.

This lesson looks at the treatment challenge of taste and odour along with some possible mitigations.

Algae can be a particularly tough thing to handle in a water treatment plant, this lesson looks at what the challenge is and possible mitigations.

This lesson looks at the challenges that flooding can present to a water treatment plant.

This lesson looks at Contaminants of Emerging Concern such as PFAS and microplastics, and the issue of how to deal with them in water treatment.

This lesson looks at what the reporting requirements with regards to the new Wastewater Environmental Protection Standards (WEPS) are and what they mean for water suppliers.

This lesson gives an overview of the reporting required under the Drinking Water Quality Assurance Rules or DWQAR.

This video looks at Water Safety Plans, Source Water Risk Management Plans, and Improvement Plans, it looks at what they are and why they are so vital to keeping your assets running properly and your community safe.

A quick overview of the concept of wastewater treatment and why it is important.

This lesson looks at preliminary treatment/screens, what they are and how they work.

This video looks at clarifiers, what they are, and how they work.

This lesson looks at what oxidations ponds are and how they work.

This lesson looks at what activated sludge treatment is and how it works.

This lesson looks at what a Dissolved Air Flotation (DAF) system is, and how it works.

This lesson looks at what Moving Bed Bioreactors (MBBR) are and how they work.

This lesson looks at what Membrane Bioreactors (MBR) are and how they work.

UV disinfection is the final key treatment process in wastewater treatment, find out why and how it works.

This lesson looks at what chlorine disinfection is and how it works.

Almost all wastewater treatment processes have their own waste stream of sludge which must be dewatered before disposal. This lesson talks about what dewatering is and how it works.

Some contaminants can’t be treated with normal biological wastewater processes, this lesson looks at the option of using thermal destruction. The lesson looks at why it is important and how it works.

This lesson looks at what wastewater discharge is, the different forms and some considerations around them.

This lesson looks at how energy is both consumed and sometimes generated on a wastewater treatment plant.