Research Funding cycle: 2022-27

Understanding the relationship between water scarcity and land use in private water supply catchments – a review

This project aimed to compile an evidence base and offer recommendations informing policy and practice regarding how land use changes may impact the amount of water available to private water supplies (PWS). The focus was on the impacts to water availability from emerging land use trends of tree planting (afforestation and agroforestry) and wind farm development in Scotland.

PFAS in drinking water supplies: A review of source, pathway, and fate for selected compounds

This CREW call down project is a follow-on from the CREW project “Developing risk assessment approaches for PFAS and watch list parameters under the recast Drinking Water Directive – PFAS, 17ß-estradiol, nonylphenol” (Vorstius et al., 2024) with a particular focus on per- and polyfluoroalkyl substances (PFAS). 

PFAS are a large group of synthetic chemicals with many industrial and domestic applications. In Scotland, a drinking water standard of 0.1 µg/l for the sum of 20 PFAS subs

Assessing the socio-economic impacts of soil degradation on Scotland’s water environment

Scotland’s various policies to protect its soils from degradation create economic benefits. In this project the economic costs of soil degradation in Scotland were estimated. Using the best available data the impacts of soil compaction, sealing and contamination were assessed. The extent of these degradation processes was then used to calculate the costs across Scotland. Compacted soils can cost farmers £15 to £209 per ha in extra fuel use. The annual combined impact on crop yields and fuel use across Scotland is likely to cost between £25 million and £75 million.

Future Predictions of Water Scarcity in Scotland: Impacts to Distilleries and Agricultural Abstractors

Scotland’s climate is changing, and we expect to see further changes in seasonal precipitation patterns that may increase the frequency and severity of water scarcity conditions, including droughts. Drought is a prolonged period of abnormally low rainfall, leading to water scarcity and environmental stress (formally defined in Scotland as when river water levels are less than 5% of their normal flows, for more than 30 days). Overall, droughts are predicted to increase particularly in the eastern parts of Scotland.

Emerging Contaminants: Informing Scotland’s strategic monitoring and policy approaches on substances of increasing concern

The aim of this project was to inform, prioritise, and coordinate actionable monitoring and policy-based approaches to identify, assess, and mitigate risks from substances of increasing concern to Scotland’s water environment. Contaminants of increasing concern (CICs) comprise a diverse range of substances and organisms, including chemical groups such as pharmaceuticals and pesticides; biological contaminants such as pathogens and antimicrobial-resistant (AMR) genes; nanomaterials; and microplastics.

Building Public Health Resilience to Fluvial Flooding in Scotland

Climate change is increasing our exposure to fluvial flooding in Scotland. Physical and mental health are negatively impacted by flooding, with the greatest health impacts in the UK and Scotland on mental health. This CREW Policy Brief reviews the literature on the public health impacts of fluvial flooding, including physical and mental health impacts, and identifies factors that influence health resilience to flooding. 

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