Dewatering creates an excess amount of groundwater at the surface, which requires management either through surface flow and infiltration, or recirculation and pumping back as groundwater.
A recent study conducted by Canadian researchers has raised the issue of groundwater over-pumping and scarcity and confirmed groundwater's finite limit.
Researchers have developed a new method to quickly and accurately measure the concentration of aluminum used in drinking water treatment.
Ultrasonic flow meters are a non-contact means of measuring flow velocity. Understanding how they operate allows users to select the appropriate flow meter.
Concordia University researchers have developed a technique to locate underground leaks with 99.5% accuracy.
The City of Brockville and the Township of Elizabethtown-Kitley have benefitted from the introduction of automated flushing equipment and an established watermain flushing program.
Approximately 75% of a municipality’s capital asset inventory is water, wastewater and roads. Yet small and medium municipalities face increasing pressures.
A simple, effective dewatering solution will enable Perth, Ontario, to begin treating particle-laden process water from the coagulation tanks at its water treatment plant.
With summer just around the corner, plenty of people will be jumping into their backyard pool or visiting the local community centre for a...
By Colin Guthrie With a landmass comprised largely of resistant bedrock that has been overrun by glaciers, the Province of Newfoundland and Labrador has numerous...
Various design techniques have been employed to control infestations of zebra mussels. This article examines both tradition and non-traditional methods.
The water and infrastructure deficit is estimated to be in excess of $85 billion. Public-Private Partnerships are a useful municipal procurement model.
The 2016 Federal Budget includes $5 billion for water, wastewater and green infrastructure. Water and First Nations groups applauded this announcement.
Setting zeta potential targets is proposed as an effective strategy for guiding coagulant and filter polymer dosing.
The British Columbia government said it will take a series of immediate steps toward ensuring safe drinking water for approximately 200 residents near Spallumcheen...
Motor control centres are used to control the starting and stopping of different process equipment such as pumps, blowers and ventilation fans.
Canada and the U.S. have adopted targets to reduce phosphorus entering affected areas of Lake Erie by 40% to improve water quality and protect public health.
Building a water treatment plant for the remote community of Kugaaruk, Nunavut comes with a unique set of challenges including cold, logistics and supplies.
Evaporator availability is critical in steam assisted gravity drainage operation for oil sands production.
High rate clarification systems provide a number of production and performance benefits, such as a much smaller footprint than conventional clarifiers.
Building information modelling is often overlooked for water and wastewater treatment applications. However, the benefits are numerous.
There are many unique challenges that both operators and scientists involved in water and wastewater treatment face in Canada’s North.
Carbon dioxide may be used for downward pH adjustment in enhanced coagulation for water treatment. It is less corrosive and hazardous than other acids.
The water emergency in Flint has started a firestorm over the danger posed by lead in drinking water, and the failure of officials to protect public health.
James Smith Cree Nation welcomed about 50 people for an open house at their integrated biological reverse osmosis membrane water treatment plant.
Fluid handling equipment may suffer from multiple problems, including physical and mechanical damage, as well as general or localized erosion and corrosion. These problems...
Most water distribution systems have areas where there are pipelines that may not have sufficient demands to keep the detention time short enough to...
In total, Yellow Quill’s boil water advisory lasted nine years. After a 22-month pilot project, a biological water treatment process lifted the advisory.
The federal government’s response to water issues on First Nation reserves has primarily been through the seven step First Nations Water Management Strategy.
With so many lead pipe health risks, it is shocking the number of homes that still have them. In Toronto, there are an estimated 35,000 lead service pipes.
Flushing is an industry standard procedure that removes stagnant water and sediment to ensure water quality. It also ensures chlorine residual levels are maintained.
The California drought experience offers critical insights into drought planning and water management that are relevant to communities across Canada.
Singapore researchers are testing robotic swans that could provide essential, highly advanced water testing in reservoirs around the country and the world. Developed by scientists...
More than 600 m of plastic and metallic water mains, allows real-world conditions that can affect leak detection and pipeline assessment, to be replicated.
Facing increasingly strict state and federal water quality and wastewater discharge regulations and deteriorating groundwater supplies, the new plant will treat approximately 30 MGD of water piped from the Sacramento River
Vacuum priming systems are necessary, as water impeller pumps, while great for moving high volumes of water, are unable to pump or move air.
There is considerable debate regarding the safety of chlorine gas. As a result, many operations feel pressure to change to alternative forms of disinfection.
An increasing need to recycle water has changed the nature of the source water that enters treatment facilities. It has forced us to reassess how we ascertain cleanliness in these supplies.
Water well projects typically take a week, but when crews encounter rough conditions like those found in Central America, progress slows.
High iron and manganese levels can result in sediment deposits in reservoirs and watermains, as well as water quality complaints from customers
Despite efforts to protect public water supplies through testing, treatment and regulation, contamination in water storage tanks still occasionally occurs.
Careers in water quality are not just in high demand, they are also undergoing rapid changes.
Low flow groundwater sampling was developed to enhance the accuracy of pollutant assessment in groundwater and ensure a representative sample is collected.
The ideal starting point for choosing a flow meter is not with a manufacturer’s specifications, but with the details of your unique application. Electromagnetic...
Only mechanical filtration can remove the tons of suspended solids that cooling towers grab from the atmosphere each year.
Reverse osmosis systems are reliable and user friendly. Optimal performance can be achieved by considering the feed water source and user environment.
Determining and validating the best water treatment technologies to meet the unique needs of small, rural and First Nations communities has gone mobile.
Despite an abundance of water, Canada's water security may be threatened by obligations in the country's trade agreements.
Smart data management can improve overall water and wastewater quality, by ensuring data is as timely and accurate as possible.
Three Canadian women won awards at the 2014 American Water Works Association (AWWA) Annual Conference & Exposition.
Traditionally, most water and wastewater associations have been blessed with an abundance of volunteers. Cheerfully, they helped select seminar and conference locations, develop technical...