Local Government Magazine
3 Waters

Flooding and Funding

Urban stormwater is often referred to as the “poor cousin” of the three waters, with limited funding available compared to water and wastewater. The exception to this seems to be in the years immediately following local flooding events, when funding becomes available for stormwater and flood mitigation works, often for a limited period of time.

Beca’s Kate Purton presented a full paper at the recent 2016 Water New Zealand Stormwater Conference in Nelson. Kate Purton – Flooding and Funding
She says the trend appears to have persisted for generations, despite changes to legislation requiring local government to have long-term plans in place with a 10-year minimum planning horizon.
Tools available for understanding flood risk, and exploring mitigation performance and cost, should enable a more structured long-term planning approach, although costs can be high both for studies and for works, and potentially unpalatable politically except when public consciousness of flood risk is high.
Her full paper explores the relationship between flood events and funding of stormwater and flood mitigation works around New Zealand, using case studies and data from a few local authorities around the country.
It also explores alternative approaches to planning, programming and funding of these works, and how these fit with current regulatory requirements.
PRESENTER PROFILE
Kate Purton is an associate – civil engineering at Beca, with over 15 years’ experience in three waters civil engineering. Kate is based in Christchurch and focuses on stormwater management and engineering, working on projects in Canterbury and around the country.


 

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