Strategic Flood Risk Assessment

A Level 1 Strategic Flood Risk Assessment for Dacorum Borough Council, St Albans City & District Council, Three Rivers District Council and Watford Borough Council was published in March 2019. The report and appendices can be downloaded below:
 South West Herts Strategic Flood Risk Assessment Level 1 (2019) (pdf)

•  Appendix A Geo Flood Map North (pdf)
• Appendix A Geo Flood Map South (pdf)
• Appendix C Understanding Flood Risk in Three Rivers (pdf)

Appendix A is comprised of two Interactive Maps which need to be opened in Adobe PDF. You can click in the tick boxes in the Legend to see the different layers of flood mapping. 

You can also view the Flood Zone layers on the interactive Policies Map at:
http://www.mapsinteractive.co.uk/planvu/trdc/

An Outline Draft Sequential Test Note was completed for Three Rivers in February 2009 and can also be downloaded below:
Outline Draft Sequential Test Note (February 2009) (pdf)