WATER E-JOURNAL 2021

C Cole

Full scale testing of secondary clarifiers was completed using the WERF Protocol for Evaluating Secondary Clarifier Performance (WERF/CTRC (2001)). The project purpose was to understand...

V Coimbatore, E Boxall

Digital Twin (DT) technology has changed the way critical in-service assets such as elevated potable water tanks are inspected and condition assessed. With the advent of remote inspection practices, only minimal...

B Rogers, C Chesterfield, K Hammer

Governments and water sector organisations in Australia, and increasingly in other nations, are beginning to adopt policies and agendas to improve urban liveability, particularly...

C Veal, C Wong, P Sherman, P Wetherell, D Middleton, J Wain

Over 14-weeks during the Queensland summer (2019/2020), the chloraminated network received an elevated total chlorine residual (4.0 mg/L) as part of a trial to determine if this increased residual had any impact on...

N Riethmuller, A Torre, S Shepherd, W MacLaurin, B Rogers, C Chesterfield

The climate of Perth, Western Australia, is becoming hotter and drier, while urban development and the demand for water continue to grow. No single organisation on its own...

B Ford, T Gardner

This paper tries to explain the history of deciding culpability for the 2011 Brisbane floods. In September 2021 the NSW Supreme Court of Appeal overturned the decision of the initial class action trial judge who found...

S Schroeder, A Killeen, S Kumarasingham, A Davison

The role of monitoring is fundamental to the successful implementation of the risk framework in the contemporary water utility. Meaningful data interpretation...

S Prunster, F Pamminger, G Wilson

Our water industry has a proud history of leaving legacies for future generations. Some argue that the provision of sanitation has saved more lives that doctors. So what legacy will our generation...

A Karima, C Ocampo, L Barton, C Oldham

Green walls are gaining popularity in urban areas for offering aesthetic, shade and thermal benefits. However, with climate change and reduced rainfall, shortages of potable water makes...

Z Wang

Wastewater treatment plants (WWTPs) are evolving from pollutant removal facilities to energy and resource recovery factories. This paper introduces an acidic activated-sludge process, which expands the operational pH from a neutral...

A Henschke, J McAllister, S Harbig,

S May

In 2019, Engineers Without Borders Australia (EWB Australia) piloted the ‘Solutions for Sustainable Development’ program over six days in three isolated Cambodian communities....

Y Zhuge, C Chow, A Keegan, Y Liu,

W Duan

Alum sludge is produced as a by-product of drinking water treatment processes when aluminium sulfate is used as a coagulant. For the last decade, sludge production has increased significantly with increasing demand for drinking...

H Baker, D McCarthy, J Morris

The Pollution Prevention Program was developed by Melbourne Water through the Enhancing Our Dandenong Creek program. Delivered collaboratively between 2013-2020, the project includes both research...

A Cox, A Smith

Hydropower, with an efficiency averaging 80-90%, remains one of the most compelling renewable energy technologies on the market. However, with the substantial capital cost associated with the construction of...

N Nguyen, P Siemers, G Ryan,

S Harrington

This document describes a Digital Reference Framework (DRF) that has been jointly developed by the Water Services Association of Australia (WSAA) and the Internet of Things...

J O’Hare, M Newland

Membrane bioreactor (MBR) technology was used to increase the capacity of the existing Yeppoon Sewage Treatment Plant (STP) by 48% to 31,000 equivalent persons (EP) (average dry weather flow...

J Pickford, B Gido, R Levy, M Dagan

A unique screen flushing mechanism enables reliable continuous operation of a very fine screen (≤20µm) filter, placing an interesting alternative to the conventional use of disposable cartridge filters for...

J Fyfe, C Li, G Oliveira, H Al Kabanchi,

S Trad, A Francis

In the face of severe droughts and associated water scarcity, Parkes Shire Council, a local government and water utility in Central West NSW, established a pioneering Recycled Water Scheme (RWS) for the irrigation of playing...

A Rohlfs, A Davie, J Pera

Aeration is conventionally used to prevent cyanobacteria blooms in source water storages but is often prohibitively expensive. There are several treatment products on the market that may offer an alternative approach to cyanobacteria...

D de Haas, L Ye

Nitrous oxide (N2O) is a major contributor to direct (Scope 1) greenhouse gas (GHG) emissions from wastewater treatment plants (WWTPs). Activated sludge systems typically represent the bulk of mainstream treatment processes,…

S Thompson, M Shanafield, A Manero,

G Claydon

New land releases in the Perth Region on Western Australia’s Swan Coastal Plain are increasingly constrained by seasonally high groundwater (within 4m of the land surface). The measurement...

S Thompson, M Shanafield, A Manero,

G Claydon

In Perth, Western Australia, “high” groundwater areas (i.e. where the groundwater is less than 4 m below ground) represent an important challenge for residents, real estate...

D de Haas, S Ng, N Dahl, D Baulch

Estimating and understanding Average Dry Weather Flow (ADWF) is fundamental to the planning, design, and operation of sewage treatment plants (STPs). This paper reviewed methods for estimation of ADWF, in four general groups: Rainfall...

N Tawona

The list of countries that have committed to net-zero emissions by 2050 is growing. All Australian states and territories have committed to this target. It has prompted businesses in both the public and private sectors to begin developing...

E Johnson

Implementing smart water metering systems has numerous potential benefits for both a utility and its customers. Despite the benefits, implementing smart metering systems also introduces asset anomalies...

B Nitschke, A Rohde

GWMWater’s urban water customers can now better track their water usage on their phone, computer or any other electronic device following the completion of an Urban Remote Metering project in...

B Dalrymple, M Wicks, W Jones,

B Allingham

‘Gully pit inserts’ (or ‘gully baskets’) are a commonly applied stormwater control measure given they can often be easily integrated into gully pits with no impact to the usability of the...