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Wastewater

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UCalgary, brewery debut Alberta’s first wastewater-treated beer

Despite testing 80 parameters for its latest limited edition brew, Alberta’s Village Brewery says it still understands the “mental hurdle” involved with trying a...
COVID-19 Wastewater Risk Cover

New WEF report suggests ‘low’ COVID-19 risk for wastewater workers, but calls for further...

A blue-ribbon panel of 16 wastewater sector experts that convened in April has determined in a new report that the occupational risk of COVID-19...
Swift Current Wastewater Treatment Plant Photo

Swift Current rejected under ICIP for WWTP upgrades

The mayor of Swift Current says the Saskatchewan city was left “on the outside looking in” when it realized available infrastructure funds in the...
SUEZ MABR unit

SUEZ’s ZeeLung selected for world’s largest MABR project in Canada

SUEZ – Water Technologies & Solutions announced on August 17 that the Region of Waterloo has selected SUEZ’s ZeeLung technology to equip what will...
New-Brunswick Wastewater announcement

New Brunswick secures wastewater upgrade funding as officials warn of algal bloom

Provincial, federal and municipal officials have announced $32.3 million in funding to upgrade the wastewater treatment plant operated by the Greater Shediac Sewerage Commission...
flooding in Taber Alberta

Alberta gets another funding injection for array of water projects

A series of new projects will be underway in Alberta, ranging from a new carbon dioxide injector pump, to the expansion of wastewater treatment...
A peristaltic pump.

Finding the right dosing pump for water and wastewater treatment processes

Both diaphragm or peristaltic chemical metering/dosing pumps are positive displacement pumps, but they work in very different ways. A question often asked is which of these pump types will be the most effective and reliable?
Hydro excavation slurry

Hydro excavation waste slurries should no longer be a worry

Hydro excavation, also known as daylighting, trenchless digging, and non-destructive digging results in slurry, made up of 60% water and 40% solids. This type of byproduct is difficult and expensive to deal with, especially if the intention is to dump it at a landfill site, due to its solid/liquid state and weight.
MBBR system

Biofilm technology improves wastewater treatment in cold weather lagoons

An MBBR system is versatile and can be used to provide consistent ammonia removal throughout the year, as demonstrated by many pilot studies and full-scale applications.
Pine Creek Wastewater Treatment Plant

Calgary wastewater treatment plant can achieve energy-neutral status

To reduce energy use, Associated Engineering reviewed the treatment processes and compared them to less energy-intensive options, with the potential for improved biogas production. For energy recovery, the team conducted an in-depth analysis of cogeneration, the process of converting gas to electricity and heat.
Wood pulp to paper

Validating real-time monitoring platform to detect pulp and paper black liquor discharge events

Black liquor spills can subject a system to periods of upset conditions and could potentially push the total BOD loading beyond the plant’s aeration capacity, leading to potential permit violations.
Radio path studies

SCADA communications network enables remote operations in Wood Buffalo

The project was developed in three stages. Stage one was to develop a SCADA master plan for the municipality, including developing a network plan for every water and wastewater facility.
Ramara Water Infrastructure

Ramara outsources water, wastewater services to OCWA

Ramara Township, just northeast of Barrie, Ontario, has voted in support of outsourcing the community’s water and wastewater services to the Ontario Clean Water...
Woodward tertiary treatment construction

Hamilton discovers PCBs during WWTP upgrades, biosolids project nears completion

The City of Hamilton has experienced further delays on its massive wastewater treatment plant upgrades after discovering a “significant amount” of polychlorinated biphenyl (PCBs)...
CRD residuals treatment facility construction

Capital Regional District wastewater project set to finish construction by summer’s end

After nearly four years of construction, a group of 600 construction workers are busy entering the final stretch of construction for British Columbia’s massive...
water supply and treatment facilities

Alberta grants $150M for 55 water, wastewater projects in small municipalities

$137 million is allocated for improvements to water supply, treatment facilities, upgrades to wastewater services such as lagoons, berms, sewage treatment.
lake nutrient

Study warns of growing wastewater impact on nutrient imbalance in lakes as more facilities...

Study warns surge in wastewater treatment may be harming ecosystem biodiversity by creating an imbalance between phosphorus and nitrogen.
grease trap

New tech helps manage FOG at collection and food production sites

It has been estimated that grease trap waste and uncollected grease entering sewage treatment plants ranges from 365 kg to 7,700 kg of grease per restaurant, per year. In response, municipalities continue to adopt more stringent regulations, detailing how food preparation and food processing businesses handle and dispose of grease.
Montrose wastewater treatment plant

Village’s wastewater oxidation ditches still in service after 57 years of operation

As the Village of Montrose in British Columbia prepares to upgrade its wastewater treatment facility, the makers of the still-working, original aeration technology can safely say that their engineering products are built to last.
WaterTrax-KPI-dashboards

Unlocking data from water, wastewater and stormwater systems

Using data from hydrological systems, organizations can properly account for and appropriately allocate water resources while minimizing impacts on the environment.
Gasket displacement

Are reinforced concrete pipe joints infiltration proof?

Observing leaky joints during inspection is not uncommon and, in some cases, is too frequent and very costly to repair. Contractors rely on their experience to manage infiltration risks. Installation quality can only be revealed after the pipeline is backfilled and put into service.
sanitary sewer services

Wastewater district digitizes its system inspection workflow and design

New processes required the ability to tie mobile data collection apps directly to GIS software, while ensuring field data remained tied to the asset throughout the inspection and review life cycle.
Châteauguay-River

Contamination ongoing as wastewater overflows continue in Quebec, researchers say

A new three-year study from Quebec’s Foundation Rivières has found that seven out of 10 municipalities still experience some form of contamination from local...
Barbarian-wipes-device

U.K. water utility unveils ‘Barbarian’ wet wipe fighter, reveals list of flushed oddities

In 2019, Northumbrian Water discovered that 64% of the 15,600 blockages the U.K-based utility cleared were caused by wet wipes. Enter sewer gadget inventor,...
COVID-stock-image

WEF update explores virus detection methods, infectivity through wastewater

As wastewater increasingly becomes part of the mainstream conversation during the COVID-19 pandemic as a tool to measure the spread of the virus, the...
cootes-wetlands-image

Hamilton report suggests ‘no action’ in wake of CSO creek discharge

Following a provincial order to determine the environmental impact of a four-and-a-half-year long accidental discharge of stormwater runoff and sanitary sewage into Chedoke Creek...
CBRM Council Chambers

Province steps up funding for Cape Breton’s delayed high-risk wastewater projects

Officials with the Cape Breton Regional Municipality (CBRM) in Nova Scotia say they are relieved that the province has stepped up with new funding...
Long Plain wastewater lagoon

Removing CECs from cold water post-lagoon wastewater treatment systems

A Canadian-made wastewater treatment innovation could be part of a long-term sustainable solution for the removal of contaminants of emerging concern (CECs) in extreme cold climates.
construction pipe

How to reduce the risk of I/I in new sanitary sewers from the private...

A recent publication, “Manual of Best Practices to Reduce Risk of Inflow and Infiltration in Private Side New Construction of Sanitary Sewers” provides practical, actionable solutions for building officials (and development engineering departments) to immediately implement strategies to reduce inflow and infiltration risk.
heat exchanger fouling

How to prevent the many types of heat exchanger fouling

When handling difficult materials, such as sewage sludge or corrosive chemicals, heat exchangers can be particularly susceptible to chemical, biological, sedimentation or corrosion fouling.
Reverse osmosis technology

Exploring treatment options to remove new contaminants in landfill leachate

The growing need to prevent impacts to groundwater and surface water caused by landfills is driving developments in water treatment that may see application elsewhere. There has been a growing list of products including asbestos and PCBs (Polychlorinated biphenyl) that were once heralded as “wonder materials,” that have turned out to have negative impacts on the environment and people.
coronavirus illustration

What treatment professionals need to know about the coronavirus and the water cycle

With the development of the COVID-19 pandemic, utilities are looking for resources to deal with relevant issues related to water and wastewater treatment.
Biobot-WWTP-Sampling-Kit

Researchers launch sewage testing program, ship sampling kits to measure COVID-19 spread

With patient testing facing limitations, a team of biologists, epidemiologists, data scientists, urban planners and engineers are soliciting wastewater treatment samples from facilities across...
Clean-water-infographic

WEF messaging toolkit offers ‘thank you’ to water workers on frontline

The Water Environment Federation (WEF) is looking to highlight the importance of water services during the coronavirus pandemic by releasing a “toolkit” of graphics...
flushable-wipes-sewage-pumping-station

Canadian municipalities urge their residents to think about what they flush

To prevent sewage backups, municipalities and water organizations are telling customers to avoid treating their toilets like trashcans, especially during the COVID-19 situation. “At a...
building-rendering-image

Hamilton making headway on massive $340M Woodward WWTP upgrades

As the largest single water investment ever for the City of Hamilton, the $340-million series of multi-stage, multi-year process upgrades for the Woodward Wastewater...
site-concept-drawing

BC region closer to success on second funding attempt for sewage treatment plant upgrades

British Columbia’s approval of the Regional District of Kootenay Boundary’s Liquid Waste Management Plan (LWMP) ticks off a key box towards the greenlighting of...
coronavirus illustration

COVID-19 resources for waste and water professionals

Various industry water organizations across North America are creating online resources to keep water and sanitation practitioners and providers armed with relevant knowledge about...
Ashbridges_Bay_WWTP

New wastewater spreadsheets added to Canada’s open-data website

Canada’s wastewater data is finally wading further into the realm of transparency thanks to Environment Canada’s latest additions to the federal Open Data website. The...
Dawson City Wastewater Treatment Plant

Yukon settles Corix lawsuit over troubled wastewater plant

The Yukon government says it will no longer be pursuing its $39.5-million lawsuit filed in 2017 against Corix Water Systems, the company that built...
Biocord-installation

Bishop Water BioCord Reactors to be distributed in Chile by Novatech

BioCord™ Reactors will now be available in South America as part of a new distribution agreement with Novatech, Bishop Water Technologies announced on February...
Manitoba provincial flag

Manitoba announces wastewater and flood protection investments

Manitoba will provide more than $61 million to support the upgrade of the City of Portage la Prairie’s Water Pollution Control Facility, Premier Brian...
wastewater-lagoon

Yukon’s Dawson City exploring lagoons to replace troubled wastewater plant

Dawson City and the Yukon government are in the early stages of creating a plan to replace its problematic seven-year-old wastewater plant with a...
Water-Research-Stock-Image

Water Research Foundation accepting pre-proposals for the Unsolicited Research Program

The Water Research Foundation (WRF) announced it is now accepting pre-proposals for the Unsolicited Research Program. The program funds novel, transformative research and innovation...
Flushable wipes label

‘Do Not Flush’ wipes labelling Bill making headway in California

California legislators have shown early support for a critical environmental Bill to rebrand hygienic wet wipes marked “flushable” with written warnings about potential clogs. Bill...
farmland-irrigation-stock-image

New study aims to quantify potential for wastewater nutrient recovery

A new international study aims to provide insights into the global and regional potential of the some 380 billion m3 of wastewater produced annually...
sewer construction

Report looks to create clear standard for reducing excess I/I for new sewers

A recent report compiles methods that can be applied when sewers are first constructed to limit the risk of leakage, highlighting the need for resilient infrastructure in an age of climate change where extreme rainfall has risen sharply.
Eleonore gold mine in northern Quebec

Cold water nitrification and cyanides removal for mining wastewaters

Laboratory and pilot-plant studies have confirmed that biological nitrification and denitrification could be sustained for mining effluent at very low temperatures (<5 °C)
Diagram

Demographic reality catching up to WWTPs

Municipalities in Ontario are encountering staff succession challenges. For many, proper procedures may not have been captured in operating manuals and other documentation, resulting in manuals and operating procedures that are not consistent with the current practice which is known to the seasoned operators who are about to retire.
wastewater-lift-station

Cloud-based alarm and monitoring systems cut costs, improve productivity

Cloud-based alarms and monitoring systems for water and wastewater treatment infrastructure can span a larger service area at a lower cost compared to traditional landlines.
anaerobic-digesters

Analyzing heating requirements for mesophilic and thermophilic biosolids digestion

This article compares the heating requirements of both mesophilic and thermophilic anaerobic digestion operating modes.
grease trap

Right equipment helps WWTPs cope with unknowns of septage receiving

By creating a receiving area for hauler trucks to offload septage waste, it becomes practical to employ forms of pretreatment, monitoring and storage.
researchers in lab photo

New technique could accelerate methane production from FOG and food waste

University of Alberta engineers found that adding conductive materials to fats, oils and grease and waste products could boost methane production by 70%.
Photo Nova Scotia Premier Stephen McNeil

All eyes on Nova Scotia’s transition through Northern Pulp paper mill closure

Days before Christmas, Nova Scotia Premier Stephen McNeil announced he was keeping his promise to the Pictou Landing First Nation and would not allow...
Ma-Me-O Beach sign

Alberta village shuts down new wastewater system for winter

Municipal officials of a small Alberta village one hour southwest of Edmonton have decided to shut down and winterize the Summer Village of Ma-Me-O...
Orca-Costal-Water

Cruise ship scrubber discharges may endanger B.C.’s remaining killer whales

British Columbia cruise ships may be endangering aquatic life by using exhaust gas cleaning systems, or scrubbers, to remove sulphur oxides from heavy fuel...
tunnel boring machine set up

Toronto set to begin $3B bypass tunnel project to keep CSOs out of waterways

A tunnel boring machine (TBM) named Donnie is nearly ready to dig the City of Toronto’s new 10.5-kilometre long Coxwell Bypass Tunnel, in a...
Inflow and Infiltration Report Cover

Report looks to create new standard for reducing inflow and infiltration

A new report compiles methods that can be applied when sewers are first constructed to limit the risk of inflow and infiltration, highlighting the...
Water and Wastewater Master Plan infographic

Region of Peel working to update Water & Wastewater Master Plan

Ontario’s Region of Peel has initiated a study of a new Water and Wastewater Master Plan for its lake-based systems to update its 2013...
combined sewer overflow tank construction

Hamilton introduces new bypass notification system and apologizes for ‘sewergate’

Following its public announcement of a major combined sewage discharge, the City of Hamilton, Ontario has introduced a series of new measures, which notably...
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Manitoba denies request for North End Treatment Plant compliance extension

Manitoba Conservation and Climate said the province has denied a request by the City of Winnipeg to extend the deadline for an additional two...
Northern Pulpproposed effluent treatment plant

Critics warn of ‘incomplete’ focus report on Northern Pulp’s effluent proposal

A number of critics are sounding alarm bells around the Northern Pulp Nova Scotia Corporation’s new focus report around its controversial proposal to pump...
Flag_of_Saskatchewan

Water worker labour relations take divergent paths in Saskatchewan

As Saskatchewan’s commercial Crown water utility, SaskWater, ratifies a new deal, Saskatoon water workers with CUPE Local 47 have rejected the latest offer from...
aerial-view-appleton-glenwood-wastewater-treatment-facility

Wetland sewage system helps N.L. company with carbon neutral success

A smart thermostat company in St. John’s hangs a picture of a local wastewater treatment facility on its walls as a reminder of how...
Aerial view of the Duffin Creek Water Pollution Control Plant

Environmental assessment for Duffin Creek Plant outfall project approved

Durham Region and York Region announced that they are proceeding with the proposed treatment enhancements at the Duffin Creek Water Pollution Control Plant in...
Inner walls of a collection system

Using oxygen and ozone to control odour and corrosion caused by hydrogen sulfide

A major contributor to odour and corrosion in industrial systems is hydrogen sulfide (H2S) and its associated compounds. In recent years interest in ozone to treat wastewater has led to new and sustainable technologies for odour and corrosion control in wastewater collection systems.
operator treatment plant

Parks Canada sites now able to monitor wastewater treatment remotely

SENTRY-BOD systems are now providing Parks Canada operators with the ability to remotely monitor wastewater treatment plant performance in real time at park locations. These plants often see large fluctuations in loading during the year due to seasonal use.
York Region operators, simulated plant software

Simulators can help less experienced wastewater treatment plant operators

Simulator technology gives the Regional Municipality of York the ability to test and explore various facility options in a safe, virtual environment, such as responding to a sewer-use by-law violation or a plant upset, taking a treatment cell offline for maintenance, or for plant-specific training.
wastewater treatment plant

Retrofitting an existing headworks can solve many WWTP issues

Headworks retrofits are commonly done to improve wastewater treatment plant performance or accomplish a new treatment objective. Headworks changes can be as simple as replacing a worn out screen with a similar system or installing a new finer screen to capture more debris.
Penticton Wastewater Treatment Plant

Dedicated software helps improve wastewater plant information management and reporting

Learn how a data management solution greatly improved Penticton Wastewater Treatment Plant’s data management practices. Almost overnight, the team noticed an immediate difference not only in functionality, but in the new-found power of the data and reporting tools they had at their fingertips.
Wastewater aeration with wastewater pump and air aspirator mixer.

Complexity of water, wastewater plants creates opportunity for innovation and cost savings

Municipalities have to continue implementation and operation of needed services, even on reduced budgets. Conventional solutions are often preferred and selected because they are proven and safe, however, they can be more expensive than new, innovative solutions that are proven but less known.
I don't flush poster

New ‘I Don’t Flush’ campaign launched in Ontario

The Ontario Clean Water Agency and the Clean Water Foundation have teamed up with six Ontario municipalities for a public service announcement (PSA) campaign...
Black Tusk British Columbia

B.C. opens up $150M in second round of water and wastewater grants

A combination of new federal and provincial infrastructure funding is opening up grants totalling $150 million for water and wastewater services in British Columbia. B.C....
Ottawa-Combined-Sewage-Storage-Photos

City of Ottawa announces WWTP upgrades as sewage overflow project marks major milestone

Ottawa has now completed all six kilometres of tunneling for its Combined Sewage Storage Tunnel project, which aims to significantly reduce overflows when wastewater...
Stock Washing Machine Image

Vancouver-based study measures extent of aquatic pollution from microfibers in laundry

Laundry machines in Canada and the U.S can release upwards of 878 tonnes of microfibres to the aquatic environment each year following wastewater treatment,...
Annacis-Island-wastewater-treatment-facility-infographic

French firm wins build contract for B.C.’s Annacis Island WWTP expansion

Paris-based VINCI Construction has won a $184-million contract to build new pipelines as part of an expansion for British Columbia’s Annacis Island Wastewater Treatment...
Winnipeg-North-End-Water-Pollution-Control-Centre

Winnipeg aims for cost-sharing to aid $909M wastewater centre upgrades

Four major capital infrastructure project proposals totalling just shy of $1 billion will come before the City of Winnipeg’s Executive Policy Committee later this...
North-Okanagan-Wastewater-Open-House-web

Unserviced portion of North Okanagan to build $36.9M wastewater system

A wastewater recovery system for British Columbia’s North Okanagan district will soon prevent septic system contaminants from leaching into Swan Lake, now that a...
wastewater-pumps-and-piping

Continuous insulation resistance testing can prevent wastewater pump motor failure

Wastewater treatment plants rely heavily on motors for critical applications and to maintain service objectives and treatment quality levels. Therefore, it is important to continually monitor and maintain pumps.
wastewater-sludge-heat-exchangers

Comparing spiral and corrugated tube heat exchangers for wastewater

Spiral heat exchangers are synonymous with wastewater treatment due to high-fouling risks, viscous fluids and fibres or solids content. However, in many situations the performance of corrugated tube heat exchangers are equal to, or better than, spiral designs.
Cows-in-a-dairy-operation

Wastewater reuse can help Canada’s dairy industry

The Canadian dairy industry is a major economic contributor, employing roughly 221,000 people and keeping almost 1 million dairy cows. Rising water and wastewater costs have made in-house water treatment and reuse an economic choice.
Landfill-gas-wells

Treating variable strength landfill leachate and wastewater

Landfill leachate is characterized by extreme biological oxygen demand and ammonia spikes. Changing temperatures, precipitation and waste collection makes operating landfill leachate wastewater treatment plants challenging.
Storm-event-causing-sewer-overflow-and-surcharging

Continuous inflow and infiltration analysis for sewerage systems

As hundred-, even thousand-year storm events increase in frequency, a holistic understanding of wastewater and stormwater systems and their capacities is needed to proactively protect property and assets.

Managing sewer blockages helps prevent overflows

Sewer blockages are a leading cause of sanitary sewer overflows. Proactive sewer cleaning is a data-driven approach that aims to prevent blockages before they occur in an efficient and effective way.
Geotube-containers-for-wastewater-biosolids

Biosolids dewatering with geotextiles and polymer

Geotextile dewatering of wastewater sludge and biosolids provides simple, low-energy operation, efficient dewatering, minor operator attention and customizable foot-prints.
wastewater-primary-anaerobic-digester

Complex upgrades needed within existing wastewater digester facility

The Corbett Creek wastewater treatment plant uses anaerobic digestion to break down biodegradable sludge and remove water. To increase plant capacity, complex upgrades of the digester facility were needed.
City of Portage la Prairie Wastewater Infrastructure

Canada funds wastewater upgrades in Yukon, Manitoba and Nova Scotia

Infrastructure Canada announced funding last week for a range of water and wastewater projects in Manitoba, the Yukon and Nova Scotia. Manitoba  The federal government is...
wastewater-disc-filter-installatino

Water and wastewater infrastructure challenges in a changing climate

The water industry is on the front line of the climate crisis. Water underpins agriculture, industry and sanitation and is essential for our daily survival. This article looks at recent water and wastewater cases that were challenged by a changing climate.
Muskwa River outfall construction site

Design and construction of an innovative effluent outfall in the challenging Muskwa River

Designing and constructing a treated wastewater outfall in British Columbia’s Muskwa River poised many challenges to engineers and contractors. This project incorporated innovative design features to overcome construction challenges and create a resilient and adaptable piece of infrastructure.
anaerobic-digester-sensor

Quebec facility evaluates anaerobic digester performance sensor

A new sensor system was installed on two anaerobic digesters, processing waste activated sludge, at a testing facility in Quebec. The sensors measure microbial electron transfer, which instantly measures microbial activity, allowing for optimization of digester feeding.
Wastewater-Screenings-Wash-Press

The economics of cleaning and removing grit and screenings from WWTPs

Disposal costs are one of the largest expenses a wastewater treatment plant faces in its operation. Equipment designed to wash and dewatering grit and screenings can cut WWTPs disposal fees and provide a return-on-investment.
City of Halifax waterfront

Atlantic wastewater and water design to embed climate resilience

Canada's Department of Natural Resources has announced an investment of $318,000 over three years to embed climate change adaptation into design guidelines for municipal...
wastewater basins

StatsCan releases new municipal wastewater system data

Statistics Canada released new wastewater data that details sewage flow numbers through municipal wastewater systems, the degree to which it is treated, and the...
Edmonton manhole image

Edmonton committee greenlights sewer odour control plan

A City of Edmonton utility committee has approved a $217.3-million corrosion and odour control project for its sewer system that could start this year...
misting-stock-photo

Mississippi turns heads with vanilla misting system to mask WWTP odours

That sweet scent in the air? No, it’s not the perfume of a passing cyclist, it’s the new misting machines wafting over vanilla from...
Normal operating conditions

Wastewater collection systems are under attack from peak flow I & I rates

New growth and development means many communities’ infrastructure is under pressure to accommodate this additional demand.
electrical room

Electrical design considerations for WWTP headworks buildings

Preliminary treatment is the starting point of a typical wastewater treatment plant.
Benchtop electro-oxidation cell

Electro-oxidation shows promise for treating high strength ethylene glycol wastewater

The complexity of wastewaters is increasing as more chemicals are being used in domestic products and industry.
Castello di Amorosa wastewater system

New wastewater system allows winery to reuse over 5 million litres of water annually

The winery chose a treatment system that uses fiberglass tanks due to their corrosion resistance.
Hach RTC-N system

Modelling ammonia-based aeration control shows over 65% energy savings possible

Real-time model for nitrification control based on activated sludge model No.1 has become popular with water resource recovery facilities due to the potential paybacks associated with energy savings and enhanced process control.
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