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Urban Irrigation Policies & Practices in New Zealand

Urban Irrigation Policies & Practices in New Zealand. A report on tour of New Zealand local councils. Dr Bhakti Devi City of Sydney. Acknowledgement. CRC for Irrigation Futures. Overview. NZ t our objectives NZ tour outputs & outcomes NZ tour stops– overview & highlights Conclusions.

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Urban Irrigation Policies & Practices in New Zealand

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  1. Urban Irrigation Policies & Practices in New Zealand A report on tour of New Zealand local councils Dr Bhakti Devi City of Sydney

  2. Acknowledgement CRC for Irrigation Futures

  3. Overview NZ tour objectives NZ tour outputs & outcomes NZ tour stops– overview & highlights Conclusions

  4. Tour objectives Fact finding and learning about urban irrigation policies and practices of NZ local councils & water utilities. Introducing urban irrigation benchmarking tool (WASP) to local councils & water supply agencies. Understanding the relevance of the urban irrigation benchmarking in the local context. Developing connections with strategic planners and park managers of NZ local councils.

  5. NZ Tour – Outputs & Outcomes 1) Auckland 2) Tauranga 3) Kapiti Coast 4) Wellington 5) Christchurch 2 weeks spent 2 islands of NZ covered 5 tour stops 8 meetings convened 15 local councils reached 4 regional councils connected with 5 water utilities reached

  6. Auckland Region - Overview Recent amalgamation of Auckland City with 6 neighbouring councils. 4,219 parks covering 83,164 hectares or 16.6 per cent of the Auckland land area.    550 summer and winter sports grounds within its 63 sports parks. Annual operational budget over $155m. Auckland Council owns the water supply agency (Watercare).

  7. Auckland Region - Highlights Regional open space strategy – an integrated management of the regional open space network. Watercare – 15% water demand reduction target (by 2025). Auckland Council – one of the high water users – Parks water use significant. Domestic water use – peak demand in summer an issue. Gap in urban irrigation demand management program. Potential for WASP application – Council & Watercare

  8. Tauranga Council - Overview • 19 active reserves.    • Annual operational budget for parks & reserves $17 million. • Council owns the water supply agency (City Waters). • Sportsfields irrigated using bore water (un-metered).

  9. Tauranga - Highlights Parks under pressure from facilities expansion/growth. Early stages of demand management – metering and pricing. Peak demand an issue Lot of interest by Parks team in WASP

  10. Kapiti Coast – Overview & Highlights 30 parks and playgrounds $6 million annual budget Metering & volumetric charge being introduced Domestic demand management programs Rainwater tank program for new development Council has set a target of 25% reduction in peak water demand to 400 litres per person per day.

  11. Wellington Region – Overview Wellington City, Hutt City, Upper Hutt City 100+ parks and playgrounds 40+ winter and summer sports fields. $126 million annual operating budget for parks and open space Councils owned water supply company (Capacity Ltd).

  12. Wellington - Highlights Peak demand an issue Water restrictions are on for managing outdoor demand Unmetered water use Council parks connected with automated irrigation scheduling system.

  13. Christchurch - Overview 950 parks, river banks and garden areas covering 9000 hectares. 1.1 ha/1000 people of neighbour hood parks and 3.5 ha/1000 people of sports parks. $27million annual operating budget of parks & open spaces. Has Garden City image and seeks to protect and maintain it. Council also has role of water supply

  14. Christchurch - Highlights Metered water use. Fixed water charges Peak demand an issue Water efficiency program – Education program and Green Gardener program. Councils from Canterbury region have similar issues.

  15. Conclusions NZ local councils • Have significant urban irrigation demand. • Have an open space strategy that is well integrated with the regional strategy. • Tend to have water supply responsibilities • Seek to reduce peak demand which is largely due to urban irrigation.

  16. Conclusions WASP can be used at three different levels by most NZ local councils • At council level – for benchmarking irrigation of sports fields. • At water supply level – for mapping in-efficient landscapes and playing fields and developing targeted programs • At community level – for empowering the residents to make their own decision on achieving best practice.

  17. Acknowledgement CRC for Irrigation Futures

  18. Conclusions Thank You…….from Thermal Pool @ Rotorua Kia ora! Thank You! For enquiries on WASP – the urban irrigation benchmarking tool bdevi@cityofsydney.nsw.gov.au

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