Surface water

Adsorptive and biological removal of plant protection products

The horticultural sector is faced with a major challenge: it is obligated to remove at least 95% of...

Seasonal influences of surface water on fouling potential in UF

The link between seasonal changes in the quality of surface waters and the operation of a membrane plant...

PFAS: A Threat for the Dutch Drinking Water Cycle?

Poly- and perfluoroalkyl substances (PFAS) are a broad group of anthropogenic organic substances which have been extensively used...

Micro- and ultrafiltration in surface water treatment

Surface water utilities in the Netherlands often directly intake river water, which has sometimes passed through a reserve...

Iron removal for the removal of organic microcontamination

Iron hydroxides are produced at various places during the production of drinking water. That results in the formation...

Cocktail of Substances (RIWA-Meuse)

RIWA Maas collects large amounts of water quality data at a number of locations, both in the Netherlands...

Microplastics in water

To acquire more understanding of microplastics and even smaller particles, KWR is currently conducting research involving the measurement...

Nutrients: which agricultural measures make sense?

This project is part of the Water Quality Knowledge Impulse. Agriculture plays a major part in the nutrient...

Toxicity: effect-directed water-quality measurement

This project is part of the Water Quality Knowledge Impulse. More than 140,000 chemical compounds are produced, used...

How to deal with ammonium in surface water?

18 April 2019 — At the annual ‘Emissie Symposium’, which took place on April 11, I organised a workshop on ammonium in...

Water Quality Knowledge Impulse launched

05 April 2019 — The water quality in large parts of the country has clearly improved over the last few years, but...

Dutch drinking water sources vulnerable to plant protection products

01 April 2019 — Ground- and surface-water sources in the Netherlands are vulnerable to contamination by old and new plant protection products...

2018 figures on drugs in European cities’ wastewater

14 March 2019 — The European Monitoring Centre for Drugs and Drug Addiction (EMCDDA) today published the results of drug monitoring of...

Water Quality Knowledge Impulse: room for acceleration

30 October 2018 — The participants in the Water Quality Knowledge Impulse are the national government, provinces, Water Authorities, water utilities, knowledge...

Airborne dispersal of Cyanobacteria

01 February 2018 — Scientists from Michigan State University have investigated whether harmful algae and associated compounds can be present in aerosols.

New Dutch and EU strategies on plastic

24 January 2018 — This week the European-wide strategy on plastics was launched, as was the Dutch transition...

Pharmaceuticals in wastewater conference

23 January 2018 — In the Meander Medical Center Amersfoort STOWA organized a conference about the presence of pharmaceuticals in wastewater. The...

Kees Roest speaks at Fosfaatspagaat Symposium

22 November 2017 — On Sunday, 19 November the Fosfaatspagaat Symposium was held in the Metaal Kathedraal in Utrecht. The event was...

GenX report: drinking water in the Netherlands is safe

22 November 2017 — RIVM and KWR have produced a report in response to the presence of GenX in...

1000 measurements undertaken by citizen scientists provide a detailed picture of the water quality in Amsterdam

06 October 2017 — This summer the water quality in Amsterdam was measured for the first time by citizen scientists, without whom...

DNA fingerprinting in surface- and wastewater management

Situations arise in surface- and wastewater management in which it is often important to be able to determine...

WHO expert meeting: the role of water in spreading antimicrobial resistance

05 July 2017 — On 5 and 6 July, 30 experts from all over the world met at KWR to assist the...

Software tool simulates removal of micropollutants from surface water

12 June 2017 — A new demo-software application simulates the efficiency with which two common treatment processes (reverse osmosis and activated carbon...

Dutch groundwater reflects wide use of chemicals

30 May 2017 — A national inventory of deep and shallow groundwater, conducted by KWR on the basis of provincial measurement data,...

Training students in Sustainable Development & Water Science and Management

09 December 2016 — The conclusion of the Transdisciplinary Case Study (TCS) Sustainable Development & Water Science and Management course of the...

Sustainable use of freshwater resources

Access to sufficient and clean freshwater is not a given. Globally, the water sector is confronted with ever-increasing...

Climate change and resilience

The water sector needs practice-oriented research to help it confront the wide-ranging consequences of climate change. KWR meets...

Rapid optical detection of enterococci in surface water possible

23 September 2016 — A rapid method for enterococci detection in surface water has been developed which could contribute to more efficient...

Hydrogenomics

Genomic techniques are developing at a very rapid pace in health, life, forensic and environmental science. These techniques...

Storage of Water : The Stippelberg

Addressing water shortage in high sandy ground regions In high sandy ground regions there is frequently a phase...

Salinisation and freshwater: Ovezande

In the Southwest Netherlands Delta the availability of fresh water cannot be taken for granted. Fresh groundwater, or...

Drugs of abuse

In 2017, for the seventh year in a row, a European study into drugs in sewer water was...

Developments in water quality at surface water intake points for drinking water supply

Future developments in water quality at surface water intake points for drinking water supply constitute the key climate-change...

Oportunistic pathogenic microorganisms in drinking water

Because of the expected climate change, it is probable that in the future the earth’s warming will lead...

Antibiotic resistance in surface water and water treatment

Over the past few decades the use of antibiotics by humans and for veterinary purposes has grown sharply.

ANSWER

In response to the growing problem of water scarcity, the reuse of treated urban wastewater is considered to...

Geohydrology

Population growth and climate change are exerting an increased pressure on food, water and energy supplies. In addressing...

Microbial water quality

KWR conducts research into microbial water quality in all types of water systems and its possible impact on...

Data mining in suspect screening data; searching for relevant new chemicals in different water types

Data from suspect screening analyses collected over the past few years contain a treasure of information. The data...

Clean Membrane

Growth on membranes is one of the many mechanisms of membrane fouling. This fouling causes operational problems, negative...

Ground passage in the adaptation of surface-water water companies due to population aging and climate change

According to predictions based on anticipated population aging and climate change, the concentrations of pharmaceuticals in surface water...

Improving water quality prognosis at surface water intake points for drinking water supply

In an earlier project, ‘Developments in water quality at surface water intake points for drinking water supply’, prognoses...

Circular water provision in horticulture: Water from the greenhouse Water treatment and reuse

Water supply is of crucial importance for greenhouse horticulture. An adequate supply of fresh (irrigation) water has to...

Multi-Source, Single-Stage, Full-Stream RO

The objective is a tested Multi-Source, Full-Stream RO concept, with minimal pre- and post-treatment (single stage), which uses...

Innovative drinking water treatment

At its new drinking water plant in Andijk, PWN is applying self-developed innovations based on ion exchange (Suspended...

Michiel Hootsmans PhD MSc

Michiel Hootsmans is a senior researcher in aquatic ecology. In this position, he is in charge of the...

Groundwater for crops

The ‘Groundwater for Crops’ TKI project is the basis of a decision-support system (DSS) that helps agriculturalists and...

Innovative treatment technologies – Application of AiRO technology

In the first instance the focus is on ‘Innovative Desalination Technologies’, in which Dutch innovations and knowledge are...

Identifying eDNA to understand aquatic biodiversity

Preserving biodiversity is high on the (political) agenda worldwide. The theme has been given quite high priority at...

On-site sensoring & monitoring

Determining nutrient concentrations with electronic finger prints and an algorithm based on an artificial neural network. Technology Within...

Application of granular ferric (hydr)oxide for arsenic and phosphorus removal

The production of drinking water generates iron sludge as a residual. The iron sludge contains ferric (hydr)oxides, which...

Effluent reuse – MDR in the watercycle

In the ‘Effluent reuse – MDR in de waterketen’ (Effluent reuse – MDR in the watercycle) study the...

Effective removal of pharmaceuticals from wastewater

03 May 2016 — Wastewater contains more and more pharmaceuticals that are difficult to remove in wastewater treatment plants (WWTPs). This issue...

Dune water company joint research (DPWE)

The DPWE programme is the joint research programme of the four dune water companies: Dunea, PWN, Waternet and...

KWR places ‘water in the circular city’ centre-stage at the Aqua Trade Fair Netherlands

31 March 2016 — The circular city was the theme this year of KWR’s stand at the Aqua Trade Fair Netherlands. The...

Monitoring fish populations, migration and water quality through environmental DNA

02 March 2016 — This spring research gets underway into an innovative manner, through ‘fish DNA’ in the water, of monitoring the...

KWR and water companies in the grip of pyrazole discharges for long spell

09 July 2015 — In the summer of 2015, Limburg Water Distribution Company (WML) detected a pollutant in the river Meuse, which...

Subsurface water storage without health risks

04 May 2015 — On 29 April 2015, Andreas Antoniou was awarded his doctorate from VU University Amsterdam for his research into...

Best H2O article 2014: pharmaceutical spreading via WWTPs

23 April 2015 — On 23 April 2015, at the Royal Dutch Water Network (KNW) spring conference in Utrecht, Lieke Coppens (KWR;...