Zone Name:	Valetta	Current Status:	(Red)
Allocation Limit:	96.6 million m3/yr	Valid date:	23 June 2007
Approach:	50% land-based recharge

Recharge component

Method of estimation

Background notes

The Valetta area receives some benefits from the border dyke irrigation scheme, where extra water is applied from a surface water source.

New applications to take groundwater that is linked to a surface waterway may be subject to surface water restriction and/or allocations.

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.

• Brown, L. J, 2000, 'Groundwaters of the Canterbury Region' Environment Canterbury Report R00/10.
• de Joux R (1992) Groundwater Resources of the Ashburton Catchment. Report prepared for the Canterbury Regional Council, Report R92(36).
• Brooks, T., (1996) Ashburton-Rangitata Plains: Ground Water Information, Review, Issues and Recommended Future Investigations. Canterbury Regional Council Report U96(29).
• Environmental Consultancy Services , 1995, Summary of Groundwater Resources between Hinds and Ashburton with regard to Ashburton District Stock and Domestic Water Needs. Canterbury Regional Council, Unpublished Technical Report Report U95/4.
• Brooks, T., August 1996, U96/29 Ashburton-Rangitata Plains: Ground Water Information, Review, Issues and Recommended Future Investigations.
• Davey, G. Hinds Plains Groundwater Usage, May 2003 U03/32
• Davey, G. 2003, Hinds Plains Springs U03/69
• Smith, M. Memo 16 April 2007, Mayfield-Hinds/Valetta Groundwater Zone Boundary Changes.

Allocation history

Effective allocation

 3 May 2010

Effective Allocation (million m³): 106.93
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

 11 January 2010

Effective Allocation (million m³): 107.80
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 112%

 7 December 2009

Effective Allocation (million m³): 107.83
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 112%

3 November 2009

Effective Allocation (million m³): 107.65
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

3 August 2009

Effective Allocation (million m³): 107.66
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

6 July 2009

Effective Allocation (million m³): 107.36
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

2 June 2009

Effective Allocation (million m³): 107.09
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

2 March 2009

Effective Allocation (million m³): 107.40
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

9 February 2009

Effective Allocation (million m³): 107.39
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

3 November 2008

Effective Allocation (million m³): 107.32
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

13 October 2008

Effective Allocation (million m³): 107.05
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

8 September 2008

Effective Allocation (million m³): 107.13
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 113%

7 July 2008

Effective Allocation (million m³): 107.04
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 113%

9 June 2008

Effective Allocation (million m³): 106.93
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

12 May 2008

Effective Allocation (million m³): 107.12
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

31 March 2008

Effective Allocation (million m³): 107.10
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

3 March 2008

Effective Allocation (million m³): 107.07
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

4 February 2008

Effective Allocation (million m³): 107.06
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

3 December 2007

Effective Allocation (million m³): 106.97
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

5 November 2007

Effective Allocation (million m³): 107.99
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 112%

1 October 2007

Effective Allocation (million m³): 108.00
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 112%

Effective Allocation (million m³): 107.99
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 112%

23 July 2007

Effective Allocation (million m³): 107.25
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 111%

7 May 2006

Effective Allocation (million m³): 114.82
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 105.82%

5 December 2006

Effective Allocation (million m³): 114.87
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 105.87%

25 September 2006

Effective Allocation (million m³): 113.435
Reason for Change: Consents update
Source: Consents database live-read
Proportion Allocated: 104.55%

29 June 2005

Effective Allocation (million m³): 111.26
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: 103.00%

24 January 2005

Effective Allocation (million m³): 91.1
Reason for Change: Effective allocation recalculated using the 150 day method as Schedule WQN9, Chapter 5, NRRP estimate may be flawed, as approved by the Water Allocation Panel on 24-01-05.
Source: Consents database live-read, 4-02-05
Proportion Allocated: 83.96%

20 December 2004

Effective Allocation (million m³): 74.38
Reason for Change: Consents update (includes QA of whole zone)
Source: Consents database
Proportion Allocated: 68.55%

24 November 2004

Effective Allocation (million m³): 87.2
Reason for Change: No change
Source:
Proportion Allocated: 80.37%
Proportion Allocated changed due to Allocation Limit change

9 August 2004

Effective Allocation (million m³): 87.2
Reason for Change: Consents update
Source: Consents database
Proportion Allocated: 87.73%

18 June 2004

Effective Allocation (million m³): 89.8
Reason for Change: Revised estimates for Eiffelton Community Scheme
Source: Memo to the Groundwater Allocation Implementation Group (now the Water Allocation Group)
Proportion Allocated: 90.34%

11 June 2004

Effective Allocation (million m³): 100.86
Reason for Change: Consents update
Source: Consents database
Proportion Allocated: 101.47%

23 January 2004

Effective Allocation (million m³): 100.1
Reason for Change: This is the first estimate made
Source: Report U04/02 (Table 6.2)
Proportion Allocated: 100.70%

Allocation Limit

23 June 2007

Allocation Limit (million m³): 96.6
Reason for Change: A boundary adjustment was made to this zone as part of PNRRP Variation 4 (23 June 2007)
Source: Proposed Natural Resources Regional Plan, Chapter 5: Water Quantity

24 November 2004

Allocation Limit (million m³): 108.5
Reason for Change: Implementation of 2nd order Approach as approved by the Directorate
Source: Report U04/97

23 January 2004

Allocation Limit (million m³): 99.4
Reason for Change: This is the first estimate made and includes an additional 12 million m³/yr recharge from irrigation schemes
Source: Report U04/02 (Table 6.2)