Objective

Manage rainwater discharge.

Description

Modify elements of the urban water system to slow down rainwater (storm water) drainage, including storage/retention. The rainwater can be stored for a short period of time in water butts or larger storage tanks.

Expected results

Buffered rainwater, reduced storm water flooding.

Result indicators

Volume of drained rainwater [m³]

Involved actors

Municipalities, water supply and sanitation services, urban technical planners.

Expected timeline for action

• Short term (1-4 years)

Best practices

• Ieper – Belgium; Nijmgeng – Netherland; Tiel – Netherland; Bottrop – Germany; Rouen – France; Hastings – UK;
• Veneto Region – Italy
• Friuli Venezia Giulia Autonomous Region – Italy

Criticalities

Economic costs, acceptance for implementation on public or private grounds through public funding.

Scope of the action

• Adaptation
• Mitigation

Type of proposed actions

• Grey
• Green

Sector of action

• Biodiversity / Conservation of ecosystems
• Public health
• Urban settlement
• Water resource management

Climate impacts

• Change or loss of biodiversity
• Drought
• Extreme precipitation
• Extreme temperatures

Implementation scale

• Municipality

Source

http://www.future-cities.eu/fileadmin/user_upload/pdf/FC_AdaptationCompass_Supplement_web.pdf

https://core.ac.uk/download/pdf/285993381.pdf

https://www.venetoadapt.it/wp-content/uploads/2020/03/Del%20A2%20-%20VenetoADAPT%20Adaptation%20State%20of%20the%20art%20assessment.pdf