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.

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)