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Assessing the Effectiveness of Sustainable Drainage Systems (SuDS): Interventions, Impacts and Challenges

Cotterill, Sarah; Bracken, Louise J.

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Authors

Sarah Cotterill

Louise J. Bracken



Abstract

Sustainable drainage systems (SuDS) can be a key tool in the management of extremes of rainfall, due to their capacity to attenuate and treat surface water. Yet, implementation is a complex process, requiring buy-in from multiple stakeholders. Buy-in is often undermined by a lack of practical evidence and monitoring of implemented SuDS. In this paper, we present a collaborative case study between a local authority, university and the UK Environment Agency. This partnership approach enabled the installation of SuDS and monitoring equipment to address surface runoff in the north east of England. Ultrasonic sensors were installed in the drainage network to evaluate the attenuation of surface water. SuDS were installed during an atypically wet spring, followed by a hot and dry summer, providing a range of conditions to assess their performance. Results demonstrate that there was a statistically significant difference in the detected flow level in manholes downstream of the SuDS interventions. Several challenges occurred, from signal obstacles in wireless telecommunication services, to logistical constraints of installing sensors in the drainage network, and issues with the adoption of property level SuDS. These issues require further research. Qualitative support for partnership working was crucial to increase the capacity for delivering SuDS. To ensure the success of future schemes and likelihood of SuDS uptake, partnership working and engaging with communities is vita.

Citation

Cotterill, S., & Bracken, L. J. (2020). Assessing the Effectiveness of Sustainable Drainage Systems (SuDS): Interventions, Impacts and Challenges. Water, 12(11), Article 3160. https://doi.org/10.3390/w12113160

Journal Article Type Article
Acceptance Date Nov 10, 2020
Online Publication Date Nov 12, 2020
Publication Date 2020-11
Deposit Date Nov 17, 2020
Publicly Available Date Nov 17, 2020
Journal Water
Publisher MDPI
Peer Reviewed Peer Reviewed
Volume 12
Issue 11
Article Number 3160
DOI https://doi.org/10.3390/w12113160
Public URL https://durham-repository.worktribe.com/output/1257209

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