Zone Name:	Ashley	Current Status:	(White)
Allocation Limit:	29.4 million m3/yr	Valid date:	24th November2004
Order of Approach:	Second (50% of land-based recharge)

Recharge Component

Method of Estimation

Background Notes

The additional Ashley River recharge component for this zone has been estimated from several studies, including a groundwater model currently being developed, which will lead to an improvement of this estimate.

Other Available Information Sources

These reports may be used to provide a full description of groundwater resources in this area. They may include information that will be of use in a consent application, but are not necessarily a comprehensive list.

• Aitchison-Earl, P., Davey, G., Ettema, M., McKerchar, A., Scott, D., Smith, E., and Weeber, J. 'State of the Canterbury Region Water Resource October 2004' (pdf 3.83MB), U04/101
• Bowden, M.J., et al. 1982: The Water Resources of the Ashley Catchment. North Canterbury Catchment and Regional Water Board, Christchurch, New Zealand. 176p.
• Brown, L. J, 2000, 'Groundwaters of the Canterbury Region' Environment Canterbury Report R00/10.
• Cowie, 1986, "Waimakariri River and Catchment Resource Survey", North Canterbury Catchment Board and Regional Water Board.
• Sanders, R., 1996, Effects of Groundwater Abstractions on Surface Water Flows in the Lower Waimakariri River and it Tributaries, CRC Report No. R96/1, ISBN 1-86937-292-1.
• Sanders, R., 1997, Groundwater of the Waimakariri-Ashley Plains, Report No. U97(43), Canterbury Regional Council
• North Canterbury Catchment Board, 1988, Ashley River and Catchment Land and Water Management Plan.
• Callander, P F, 1998, Calculation of Rate of Depletion of Ashley River Caused by Bores R88/2

Allocation History

Effective Allocation

 7 December 2009

Effective Allocation (million m³): 19.63
Reason for Change:Consents update
Source: Consents database live-read
Proportion Allocated: 67%

 3 November 2009

Effective Allocation (million m³): 19.62
Reason for Change:Consents update
Source: Consents database live-read
Proportion Allocated: 67%

6 July 2009

Effective Allocation (million m³): 19.47
Reason for Change:Consents update
Source: Consents database live-read
Proportion Allocated: 66%

2 June 2009

Effective Allocation (million m³): 19.09
Reason for Change:Consents update
Source: Consents database live-read
Proportion Allocated: 65%

9 February 2009

Effective Allocation (million m³): 19.24
Reason for Change:Consents update
Source: Consents database live-read
Proportion Allocated: 65%

1 December 2008

Effective Allocation (million m³): 19.21
Reason for Change:Consents update
Source: Consents database live-read
Proportion Allocated: 65%

12 May 2008

Effective Allocation (million m³): 17.61
Reason for Change:Consents update
Source: Consents database live-read
Proportion Allocated: 62%

31 March 2008

Effective Allocation (million m³): 18.13
Reason for Change:Consents update
Source: Consents database live-read
Proportion Allocated: 62%

3 March 2008

Effective Allocation (million m³): 16.93
Reason for Change:Consents update
Source: Consents database live-read
Proportion Allocated: 58%

4 February 2008

Effective Allocation (million m³): 16.66
Reason for Change:Consents update
Source: Consents database live-read
Proportion Allocated: 57%

23 July 2007

Effective Allocation (million m³): 16.08
Reason for Change:Consents update
Source: Consents database live-read
Proportion Allocated: 55%

5 December 2006

Effective Allocation (million m³): 15.57
Reason for Change:Consents update
Source: Consents database live-read
Proportion Allocated: 52.95%

25 September 2006

Effective Allocation (million m³): 15.72
Reason for Change:Consents update
Source: Consents database live-read
Proportion Allocated: 53.46%

29 June 2005

Effective Allocation (million m³): 15.42
Reason for Change: Effective allocation recalculated using a revised table of irrigation standards to address concerns with Schedule WQN9 of Chapter 5 NRRP, as approved by the Water Allocation Panel
Source: Consents database live-read on 29 June 2005
Proportion Allocated: 53.00%

24 November 2004

Effective Allocation (million m³): 22.08
Reason for Change: No change.
Source: n/a
Proportion Allocated: 75.10%
Proportion Allocated changed due to Allocation Limit change

29 October 2004

Effective Allocation (million m³): 22.08
Reason for Change: Consents update
Source: Consents database
Proportion Allocated: 86.59%

23 January 2004

Effective Allocation (million m³): 21.4
Reason for Change: This is the first estimate made
Source: Report U04/02 (Table 6.2)
Proportion Allocated: 83.6%

Allocation Limit

24 November 2004

Allocation Limit (million m³): 29.4
Reason for Change: Implementation of 2nd Order approach as approved by the Directorate
Source: Report U04/97

23 January 2004

Allocation Limit (million m³): 29.4
Reason for Change: This is the first estimate made using 1st Order approach, and includes an additional 50 million m³/year from the Ashley R
Source: Report U04/02 (Table 6.2)