Person: Rickert, Bettina
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Veröffentlichung Indications of recent warm and dry summers' impact on private wells for drinking-water supply in Germany: a review of press articles(2022) Görnt, Annika; Rickert, Bettina; Vogelsang, L.; Ruhl, Aki SebastianClimatic changes lead to seasonal droughts with declining groundwater levels, and - especially in rural regions - private wells in the upper aquifer might fall dry. However, only limited information and no systematic administrative reporting of the extent are available for Germany yet. Therefore, a systematic analysis of newspaper articles as a promising source of information was conducted for the extraordinarily hot summers of 2018, 2019 and 2020. The results of the database searches were analysed with respect to frequency and local and regional hotspots, relations to climatic data, extent of the reported dry-fallings and emergency water supply. The analysis indicates hotspots particularly for the federal states of Saxony, where a subsidy programme for connecting to the public water supply was reissued in 2019, for Bavaria and North Rhine-Westphalia. Emergency supply was realised through various approaches. It was partly required until the winter months and did not always have drinking-water quality. As private wells are particularly vulnerable to the effects of climate change, their operators should be involved as a stakeholder group in future discussions about allocating water resources to increasingly competing uses in periods of scarcity. © 2022 The AuthorsVeröffentlichung Success factors for water safety plan implementation in small drinking water supplies in low- and middle-income countries(2020) Herschan, Jo; Mkandawire, Theresa; Rickert, BettinaThe proper operation of a water supply system (WSS) requires constant investment. The priority is to provide residents with high quality potable water, in the required quantity and pressure, in accordance with the applicable regulations. The paper presents an assessment of the potential inherent operational risk of a WSS in support of the risk-based investment management process. It is of high importance to invest in the operational safety as it concerns both producers and consumers. The investment engenders additional costs that should partially be supported by the consumers. Thus, the paper presents a methodology to analyse consumers' readiness to accept water supply services' additional costs. The proposed methods may underpin a comprehensive program for risk-based investment management and operational decision-making. The case study and the approach in this article concern one particular regional WSS, based on information collected from water consumers. The assessment suggests a willingness to tolerate additional costs in view of enhancing the performance of the water supply services. © 2020 by the authors.Veröffentlichung Comparing the german enabling environment for nationwide water safety plan implementation with international experiences: Are we still thinking big or already scaling up?(2020) Schmiege, Dennis; Evers, Mariele; Rickert, Bettina; Zügner, VerenaEnsuring safe drinking-water is the target of the Water Safety Plan (WSP) approach, which has been successfully applied to a large number of water supply systems around the world. Effective country-wide scaling up of WSP implementation requires an enabling environment at the policy level. By utilizing a multi-step mixed methods approach, this study summarizes international experience with WSP implementation and scaling-up efforts following the 8 steps of the WSP road map published by WHO and IWA for an enabling environment, shows what steps Germany has in place, and compares this with published international experience to inspire further policy action. Contrasting the international experience to the German situation revealed several overlaps but also profound differences, which, in turn, offer opportunities for mutual learning. Most experience in Germany and internationally is documented for the earlier steps of the WSP road map. Information particularly on developing a national strategy, securing financial instruments, activities to support continual implementation of WSPs and on review of the overall WSP experiences and sharing lessons learned appears to be scarce, while the importance of training, collaboration and alliances, and the value of a regulatory push are often stressed. In Germany, stakeholder engagement, guidance documents and workshop materials have been of vital importance. Information that could particularly inform further action in Germany mostly relate to considering a national WSP strategy, and how to shape an approach for external quality assurance of WSPs.Veröffentlichung Das Water Safety Plan (WSP)-Konzept für Gebäude(2020) Rapp, Thomas; Rickert, Bettina; Schmidt, Isabelle; Schmoll, Oliver; Zügner, VerenaDas Water Safety Plan (WSP)-Konzept für Gebäude Die Qualität des Trinkwassers in Deutschland ist sehr hoch. Hierfür sorgen die Wasserversorgungsunternehmen bis zur Übergabestelle in das Gebäude. Ab diesem Punkt sind die Gebäudebetreibenden dafür verantwortlich, dass den Verbraucher*innen an den Entnahmestellen sicheres Trinkwasser zur Verfügung steht. Das Water-Safety-Plan-Konzept (WSP) wird zur Anwendung eines risikobasierten Ansatzes von der WHO empfohlen und darüber hinaus als Gebäude-WSP auch für die Anwendung in Trinkwasser-Installationen. Die konsequente Umsetzung des WSP-Konzeptes schützt die menschliche Gesundheit vor wasserbürtigen Gefährdungen durch eine, für die jeweilige Trinkwasser-Installation individuelle, Analyse und die Umsetzung von daraus hergeleiteten Maßnahmen zur Risikobeherrschung. Das Handbuch "Das Water Safety Plan (WSP)-Konzept für Gebäude" bietet Hilfestellung bei der Anwendung des Konzeptes in Gebäuden. Quelle: https://www.umweltbundesamt.de