Application references

Within a Community of Practice experts share their knowledge on a regular basis. They also collaborate on projects with the aim of applying Watershare tools to solve problems in the interest of public end-users.

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Abu Dhabi – ASR for secure drinking water supply

Abu Dhabi – ASR for secure drinking water supply

Abu Dhabi (EAD) produces its drinking water from desalinated seawater from the Arabian Gulf. In case of emergencies, e.g. when algal blooms prevent the intake of water from the Gulf, this system can supply the city with water for a maximum of …
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Advanced analytics for water quality

Advanced analytics and environmental fate of pharmaceuticals

UoB has developed advanced analytical techniques to detect pharmaceuticals, personal care products and illicit drugs in water. Our methods are able to detect chiral compounds and distinguish between the different stereo-isomers. This provides new information on the origin and fate of compounds, shows whether …
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ASR Coastal – irrigation water for greenhouses

ASR Coastal: Temporal storage and unmixed recovery of freshwater in brackish groundwater

ASR Coastal makes it possible to store freshwater (harvested rainwater, reuse water) in a brackish aquifer and to subsequently reclaim it unmixed for irrigation purposes. ASR Coastal uses multiple, individually controlled filter screens to enable deep injection and shallow …
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Chlorine-free water for all Dutch water companies

Chlorine-free water for all Dutch water companies

The Dutch drinking water industry has decades of experience in distributing drinking water without a chlorine residual. In fact, the final step in this process was the renovation in 2006 of the Beerenplaat treatment plant, which is owned by Evides. In this plant (100Mm3/a), UV …
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City Blueprint Amsterdam

City Blueprint Amsterdam

Various urban water-related services in Amsterdam were brought under one roof, culminating the country’s first water cycle company called Waternet in 2006. Waternet is responsible for surface water (rivers, canals, ditches and lakes), groundwater, stormwater, drinking water supply and waste water treatment. The city’s unique water cycle approach has …
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city-blueprint-ho-chi-minhn

City Blueprint Ho Chi Minh

City Blueprint Ho Chi Minh

Population growth, urbanization, pollution, and climate change pose urgent water challenges in cities. The sustainability of integrated water resources management (IWRM) in Ho Chi Minh City (HCMC) was evaluated using the City Blueprint approach. Originally, the City Blueprint was a set of 24 dedicated indicators. The approach …
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City Blueprint Melbourne

City Blueprint Melbourne

The sustainability of Urban Water Cycle Services (UWCS) was reviewd in the city of Melbourne. Melbourne performs well and shows a good level of commitment to sustainable solutions. The city scores highly in areas such as water efficiency, waste water efficiency, e.g., climate adaptation. Nearly 30% of houses in …
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Clean Subsurface Reservoir

Clean Subsurface Reservoir

Recently, Korean Ministry of Land, Infrastructure and Transport launched a R&D project to develop world leading technologies on aquifer storage and recovery. Korea Institute of Science and Technology (KIST), a member of Watershare® program in KWR, is participating in the project with focuses on:the water qualities issues related to …
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CONCEPT CLEANTECH PLAYGROUND

Cleantech playground: Evaluating decentralized treatment systems

Cleantech playground: Evaluating decentralized treatment systems

The Cleantech Playground (CTP) is a testing ground for innovative clean technologies in the Amsterdam city center which aims to (biological) cycle closure. The concept is first realized at De Ceuvel, breeding ground for creative entrepreneurs. Food production (partly under glass) is combined with …
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Concepts for urban stormwater management and sewage systems

Concepts for urban stormwater management and sewage systems

Urban water infrastructures are increasingly facing challenges resulting from climate change and demographic developments. Using Berlin as an example, the project KURAS aims at demonstrating how the future waste water disposal, water quality, urban climate and quality of life in the city can be …
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Cutting costs while delivering top quality water

Cutting costs while delivering top quality water

A number of Dutch water companies apply the design rule for self-cleaning networks following the hypothesis of particle-related processes. A number of Dutch water companies apply the design rule for self-cleaning networks following the hypothesis of particle-related processes. As a result, the total length of self-cleaning …
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Dealing with water losses in South Africa

Dealing with leakage losses in South Africa

In 2015 the City of Cape Town (CCT) started with the CFPD method, which is implemented in Watershare’s Network Flow Performance tool. The CFPD method was developed by KWR to analyse flow data for drinking water networks in order to identify and quantify changes …
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Demoware: Water Reuse in Europe

Innovation Demonstration for a Competitive and Innovative European Water Reuse Sector

Europe’s water resources are increasingly under stress, and this situation has encouraged more active consideration of alternative water sources as a strategic option to supplement water supplies and protect natural resources. However, the ability of Europe’s communities of taking advantage of …
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Design rules for drinking water installations

Design rules for drinking water installations

The Dutch Building Services Knowledge Centre, ISSO, issues normative publications on the design of drinking water installations in homes and non-residential buildings. For hotels, offices and nursing homes, the design parameters for cold and hot water systems are based on SIMDEUM® simulation results. The new …
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Design rules for self-cleaning networks

Design rules for self-cleaning networks

The Dutch water company Dunea is currently building self-cleaning networks. In the networks’ design, the company needs to estimate the maximum water demand for 100-200 connections, involving several types of customers. The design rule they are implementing is based on SIMDEUM® simulation results.

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Designing targeted valve maintenance schemes

Designing targeted valve maintenance schemes

KWR has used OptiValves in several European water distribution networks (e.g., those of Epal in Portugal, and Brabant Water and Waterbedrijf Groningen in the Netherlands) to design targeted valve maintenance schemes. For Waterbedrijf Groningen, the customer minutes lost (CML) can be cut by up to 8% using …
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Dinteloord

Dinteloord – ASR enables water reuse

Dinteloord – ASR enables water reuse

Dinteloord, the Netherlands, is a 3 km2 greenhouse horticulture area under development, with a predicted high water demand which cannot be fully supplied by precipitation in dry years. To meet the water demands, treated wastewater from a nearby sugar factory (sugar beets) is to be …
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Drinking water company uses surface water for the production of drinking water

Drinking water company uses surface water for the production of drinking water

A drinking water company uses surface water for the production of drinking water. At the local treatment plant the following pathogens have been observed in the source water: enteroviruses (rotavirus), Campylobacter and Cryptosporidium. The treatment plant uses conventional treatment (coagulation/sedimentation …
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Ecohydrological impact assessment of climate change

Ecohydrological impact assessment of climate change

Results of simulated groundwater levels for different climate scenarios for the Baakse Beek region in the Netherlands were translated into the habitat factors oxygen stress (OS) and drought stress (DS). First, using the specialized software, transfer functions tailored to the region were calculated for the local …
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El Port de la Selva: Water reuse via aquifer recharge

El Port de la Selva: Water reuse via aquifer recharge

The DEMOWARE initiative is an FP7 EU research project which aims at demonstrating that water reuse is a competitive and safe water supply option. Demonstration takes place at nine existing and one greenfield site. Quantitative microbial risk assessment is used at …
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Evaluating water supply alternatives in rural India

Evaluating water supply alternatives in rural India

Drinking water supply in rural India faces many challenges of quantity and quality. The government is investing in centralized surface water treatment systems, while the population still largely depends on local sources. A QMRA study was performed to assess the risks from the various …
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Falster Island counteracting salinization

Falster Island counteracting salinization

The Marielyst area on the southern part of Falster Island is developed partly on land reclaimed in the nineteenth century, mainly for agriculture and recreational purposes (summer housing). The area is facing saltwater intrusion problems both from the sea and fossil marine waters in the deeper part of …
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Fluidised ion exchange (FIX) to improve the source water quality

Fluidised ion exchange (FIX) to improve the source water quality

The application of FIX for the early removal of NOM in water treatment also produces a beneficial effect on the quality of the water produced and on all the subsequent treatment processes. In this regard, a multi-year pilot study was conducted by …
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Freshkeeper to counteract salinization of water wells

Freshkeeper

Freshkeeper to counteract salinization of water wells. Well field Noardburgum, the Netherlands, was abandoned in 1993 because of salinization of the water wells due to upconing of saline groundwater. The Freshkeeper concept, designed on paper in the 2000s, can provide a solution: intercept and dispose intruding saline groundwater to safeguard freshwater …
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Freshkeeper: Safeguard drinking water production from Floridan aquifers

Freshkeeper: Safeguard drinking water production from Floridan aquifers

The Town of Belleair (Pinellas Peninsula, Florida) produces an average 1.1 MGD drinking water from groundwater extracted from the Upper Floridan Aquifer System. The Town is concerned over the future water quality of its well field: seawater intrusion is occurring and has caused steep increases in salinity levels of …
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Freshmaker – Enlarging, protecting and utilizing freshwater lenses with horizontal wells

Freshmaker

Enlarging, protecting and utilizing freshwater lenses with horizontal wells. The ‘Freshmaker’ uses one horizontal water well for infiltration and abstraction and is complemented by a second deeper, horizontal well. The Freshmaker aims to enlarge an existing thin freshwater lens in times of freshwater surplus, which allows later use in times of …
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GCF Melbourne Project

GCF Melbourne Project

The water industry of Melbourne is in an interesting one having been through the Millennium Drought, a 15-year-long dry period in the southern regions of Australia. As a result of using the momentum of the drought, Melbourne is doing great on governance capacities in the field of water scarcity. …
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Groundwater models versus time series Analysis: the Terwisscha Case

Groundwater models versus time series Analysis: the Terwisscha Case

The influence of the groundwater pumping station of Terwisscha (the Netherlands) on the groundwater levels in the area has been investigated at least a dozen times over the years. But the studies came up with widely differing results. The time series analysis systematically …
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High-value reuse of lime pellets from drinking water production

High-value reuse of lime pellets from drinking water production

About half of the drinking water in the Netherlands is softened in pellet reactors. This technology generates a residual in the form of lime pellets, which consist of a sand nucleus (seed material) and a shell of calcium carbonate (lime). This residual …
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Holten

Holten

The well field of Holten is located in an area with vulnerable sandy soils. The travel times vary within the capture zone. The abstraction has high nitrate concentrations, mainly due to the agricultural land use (pasture, arable land, and since 1970 maize). The yearly averaged values of nitrate concentrations in the groundwater recharge …
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Improve current design practices for water supply systems in Mexico

Improve current design practices for water supply systems in Mexico

There are great opportunities to improve current design practices for water supply systems in Mexico. Inadequate practices in building drinking water facilities for decades has resulted in a clutter of small overlapping microsystems. This state of affairs is an unbearable burden …
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Improve the management of water system valves

Improve the management of water system valves

German research centre Kompetenzzentrum Wasser Berlin (KWB) has taken a step towards helping improve the management of water system valves in the country following the launch of a study with a small municipality to use a tool originally developed in the Netherlands. The tool is …
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Improving colour and taste of drinking water

Improving colour and taste of drinking water

The Dutch water company Vitens has invested heavily in ion exchange processes over the past few years, with the objective of removing NOM and improving drinking water quality. Besides improving the taste, colour and odour of the drinking water, ion exchange treatment also improves the …
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Improving valve inspection procedure

Improving valve inspection procedure

KWR has helped the water company Evides to improve its valve inspection procedure. The inspection forms have been adapted and now provide useful information for the overall improvement of valve reliability. Water companies can limit their valve maintenance costs by focusing on the most important failure mechanisms and …
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Innovative phosphorus recovery technologies

P-REX

P-REX is a recently completed EU funded project demonstrating novel and current technical solutions for phosphorus recovery and recycling. Based on real operational data their performance and feasibility was systematically assessed and validated, as well as the quality of obtained recycling products. Together with the analysis of the market barriers and …
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InSitrate: Mitigating nitrate polluted groundwater resources

InSitrate

Groundwater constitutes one of the main resources of freshwater on our planet, providing useful functions and services to humans and the environment. In many European countries, this resource is increasingly being polluted with nitrate due to anthropogenic activities such as the excessive use of fertilizers in crops, livestock, sewage waste …
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Learning from best practices on resource recovery from water

Best Practices Resource Recovery from Water

Learning from Best Practices on Resource Recovery from WaterNews …
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Maneadero Valley Mexico – Reuse water for agriculture

Sufficient and safe irrigation water in Maneadero Valley, Mexico

Maneadero Valley is a 35 km² coastal alluvial plain in Baja California, Mexico, producing high value crops such as tomatoes and cucumbers for local and export markets. Food production is under pressure because of a shortage of freshwater for irrigation and already 1000 …
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Modeling pesticide runoff from urban hard surfaces and urban areas

Modeling pesticide runoff from urban hard surfaces and urban areas

Global urbanisation leads to worldwide increase of hard surfaces. Urban runoff can be a significant source of pesticides in urban water, due to the increasing fraction of urban hard surfaces and the frequent use of pesticides for urban weed and pest control. …
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More knowledge of possibly hazardous emerging contaminants

More knowledge of possibly hazardous emerging contaminants

In 2015 the European TAPES project concludes in a new Watershare tool: AbatES. The TAPES project has focused on the bundling and extension of knowledge on emerging substances: (new) contaminants that present a potential hazard to the environment, health and water quality. TAPES expanded international …
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Network Flow Performance – Evides

Network Flow Performance – Evides

Based on the supply patterns for different periods, the CFPD can characterise and quantify the demand changes and the changes in water losses due to leakage in a specific area. The CFPD method was developed in 2011 within the water sector’s joint research programme (BTO) and …
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Network Flow Performance – PWN

Network Flow Performance – PWN

Based on the supply patterns for different periods, the CFPD can characterise and quantify the demand changes and the changes in water losses due to leakage in a specific area. The CFPD method was developed in 2011 within the water sector’s joint research programme (BTO) and …
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Nutrient and energy recovery from sewage: towards an integrated approach

Nutrient and energy recovery from sewage: towards an integrated approach

The provided an overview on analysis of nutrient flows, particularly of phosphate, with a comprehensive review of nutrient recovery technologies. An illustration of various case studies of wastewater treatment plants that adopted nutrient recovery methods and comparing the selected onsite nutrient …
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Parameters and fluxes in hydrolic systems: bogs and pools as a case study

Parameters and fluxes in hydrolic systems: bogs and pools as a case study

In principle, there are different methods for obtaining estimates of the parameters and fluxes in groundwater systems. The alternatives are field and/or laboratory measurements, groundwater flow models and time series analysis. The advantage of time series models is …
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Practicing sports on lime pellets

Practicing sports on lime pellets

The Dutch company Henko recently began using lime pellets from the water industry in its artificial turf. Henko specialises in laying and gluing artificial turf, and is active both in and outside of the Netherlands. The lime pellets are used as filler, and ensure the field’s stability …
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Production and application of granular aquafer

Production and application of granular aquafer

Every year in the Netherlands about 95,000 tons of aquafer is generated (62,000 tons of liquid aquafer and 33,000 tons of dewatered aquafer). Reststoffenunie (now AquaMinerals) disposes of this water company residual and finds outlets for it in a variety of applications, such as in bioenergy …
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Relevance of Trace Organic Substances in the Stormwater Runoff of Berlin

Relevance of Trace Organic Substances in the Stormwater Runoff of Berlin

Rain water runoff is the largest untreated source of potentially high loads of trace organic substances discharged to urban surface waters. The project OgRe aimed to support Berlin’s strategy related to the reduction of trace organic contaminants by describing a first …
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Resilience Assessment

Resilience Assessment

In the water wise cities project we propose a methodological framework that: (i) Helps the water industry think in a structured way about resilience using a set of currently applied and more sophisticated options. (ii). Proposes a specific set of quantifiable system-level metrics to assess the long term performance …
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Reverse QMRA to design monitoring after contamination event

Reverse QMRA to design monitoring after contamination event

Bank filtration provides an excellent barrier against pathogens. However in this case contamination of the bank filtration well field occurred due to construction failure of some wells. The water supply from this well field was stopped immediately and safe water was supplied from …
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Risk Assessment of the Water Reclamation Plant in Windhoek

Risk Assessment of the Water Reclamation Plant in Windhoek

Windhoek has since long reclaimed wastewater using multiple barriers to produce potable water. Obvious health risks involved, assessing risks using combination of QMRA and fault tree analysis. Evaluating if the extensive treatment is sufficient under severe conditions (scenarios). Pathogens such as Norovirus, …
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Schinias – Freshwater for Greek coastal area

Schinias: Freshwater for Greek coastal area

The coastal site of the Schinias Natural Park is situated in the plain of Marathon, a typical Mediterranean environment that hosts important naturally occurring ecosystems (coastal wetlands, sand dunes and a pine forest), but also accommodates greenhouses, requiring high quality water. The multi-layer aquifer system …
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Screencap: Cellulose recovery from wastewater

Screencap

Screencap is an EU funded project demonstrating at full scale a promising finescreen technology to recover suspended solids including cellulose from waste water on the basis of particle size. Finescreens have potentially significant advantages in comparison with existing solid separation technologies based on density differences. Screencap adapts, installs and operates at …
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Sewer Deterioration Model for Asset Management Strategy

Sewer Deterioration Model for Asset Management Strategy

Asset management is an increasing concern for wastewater utilities and municipalities. In the last 30 years, most cities have invested in sewer system expansion and treatment plant upgrade but a relatively small component has been allocated to the improvement of sewer system condition. SEMA aimed …
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Singapore’s Smart Water Grid

Singapore’s Smart Water Grid

More than 320 sensors installed island-wide in Singapore to constantly monitor the pressure, flow and quality of the water in our network. FeaturesPressure & Water Quality Monitoring Leak/Burst Detection Valve Simulation Hydraulic Modelling Demand Prediction Energy OptimisationBenefitsReal-time sensing Respond Faster Minimize Disruption Reduce Unaccounted Water Loss Support Planning & Operation

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PUB
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Statutory QMRA in the Netherlands

Statutory QMRA in the Netherlands

About 40% of the drinking water in the Netherlands is produced from surface water from the rivers Rhine and Meuse. Both rivers flow through densely populated areas in Europe and receive most of the wastewater from these areas. The water companies use QMRA not only to show …
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Suitability maps for South Holland

Fresh in saline: Suitability maps for South Holland

Greenhouse horticulture in the Province of South Holland already makes use of subsurface water storage in areas with fresh/brackish groundwater in order to address its irrigation water shortages. By adapting the injection and abstraction system, subsurface storage also offers a high-yield (partial) solution …
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Sustainability Index For Progress In Municipal Water And Wastewater Services

Sustainability Index For Progress In Municipal Water And Wastewater Services

The Swedish Sustainability Index is developed to increase the awareness of sustainability of water and wastewater services. A key aspect of the index is the ambition to capture long term sustainability by striking a balance between objective measurable data and more strategic …
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Sustainable Airport Cities

Sustainable Airport Cities

Schiphol Airport spread fertilizer granules on its grassland that were recovered from wastewater from the toilets from airplanes. The wastewater has been treated in a pilot struvite reactor at the airport’s wastewater treatment plant (wwtp) that is operated by Evides Industrial Water. Given the low concentrations of pathogens …
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Thinking Water, Designing for the Future

Thinking Water, Designing for the Future

Life expectancy data for different pipe materials JWRC has developed life expectancy data for different pipe materials. The graph shows the proportion of pipes exceeding the life expectancy for different water utilities in Japan. These data enable to set priorities in pipe rehabilitation programmes. Operation and maintenance …
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Transformation of Emerging Contaminants during Water Treatment Processes

Transformation of Emerging Contaminants during Water Treatment Processes

We have estimated any possible transformation of emerging contaminants (pharmaceutical, endocrine disrupting compounds, manufactured nanoparticles) and their toxicities during water treatment processes. In addition, we tried to develop an effective and optimal removal strategy for them. (funded by KIST)

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Use of air/water cleaning to control membrane fouling

Use of air/water cleaning to control membrane fouling

The use of air/water cleaning in vertically positioned, high-pressure membrane elements (known as AiRO) is a technology developed at KWR. This application periodically cleans the membrane elements, thus preventing the occurrence of extreme membrane fouling. In 2010, the first full-scale installation using air/water cleaning …
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Waddinxveen – subsurface storage of stormwater

Waddinxveen

Demonstration of temporary subsurface storage of stormwater. The Waddinxveen site (NL) is a polder located app.10-15 km NE of Rotterdam. The pilot will be utilised to demonstrate subsurface storage of storm water for later withdrawal and use. The pilot includes innovative pretreatment (a.o. fuzzy filters) and infiltration technologies to enable high …
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