Appendix 14: Allocation and Estimated Economic Value of Groundwater Aquifers for Industrial Use - The 100 Aquifers of Largest Value

New Zealand Water Bodies of National Importance for Domestic Use and Industrial Use

P A White, B M H Sharp and R R Reeves, Institute of Geological & Nuclear Sciences

[ Last Updated 17 January 2006 ]

Rank	GNS aquifer name	Council	Allocation to industry and industrial part of mun1 (m³/week)	Economic value industrial allocation only $million/yr	Economic value industrial part of mun1 only $million/yr	Economic value total $million/yr
1	Christchurch-West Melton	CRC	4102439	1030.4	1297.7	2328.1
2	Heretaunga Plains	HBRC	2126258	646.5	432.2	1078.7
3	Upper Wairau Valley	MDC	750590	705.5	107.9	813.4
4	Central Plains	CRC	686285	622.4	110.2	732.6
5	Hutt	WRC	1064797	179.1	385.4	564.5
6	Coromandel volcanic	EW	597989	365.8	86.9	452.7
7	Tauranga Group sediments	EW	264845	374.1	28.6	402.7
8	Manawatu	HMW	617939	211.3	134.3	345.6
9	Hinuera Formation	EW	149359	307.5	0.5	308
10	Rangitata-Levels plains	CRC	553046	167.8	126.9	294.7
11	Auckland volcanics	ARC	538876	105.4	169.3	274.7
12	Rakaia-Ashburton plains	CRC	527073	176.1	94.2	270.3
13	NULLaquifer	ORC	175018	250.9	1.1	252
14	Ashley Downs	CRC	439399	88.6	141.2	229.8
15	Lower Waikato Groundwater	EW	229180	200.5	7.8	208.3
16	Whakamuru Ignimbrites	EW	226478	98.5	66.3	164.8
17	Wanganui	HMW	273497	59	73.7	132.7
18	Grey River	WCRC	138569	132.6	0	132.6
19	Jacobs River	WCRC	90720	100.2	31.9	132.1
20	Hamilton Basin Groundwater	EW	136528	130.6	0	130.6
21	Coastal aquifers	SRC	204435	81.3	45.6	126.9
22	Seven Mile Creek	WCRC	120960	115.7	0	115.7
23	Mamaku Plateau	EBOP	256774	3.7	101.9	105.6
24	Taupo sand	EW	133742	87.1	17.1	104.2
25	Upper Confined	TDC	207559	24.1	73.6	97.7
26	Greywacke	ARC	83917	50.8	33.6	84.4
27	Fagan Creek	WCRC	54432	79.3	0	79.3
28	West Coast alluvial	WCRC	79182	51.3	24.5	75.8
29	Takaka Valley Gravel	TDC	95475	29	40.4	69.4
30	S Hamilton Basin Groundwater	EW	70000	67	0	67
31	Central Otago	ORC	109645	31.7	35.2	66.9
32	Dunstan gravels	ORC	165434	0	66.2	66.2
33	South Canterbury	CRC	134057	44.7	20.6	65.3
34	Buller River	WCRC	55692	29.2	24.1	53.3
35	Ruataniwha Plains	HBRC	116159	7.4	43.2	50.6
36	Lower Taieri Plain - East and West	ORC	91867	38.2	11.6	49.8
37	Tauranga Group sediments	ARC	94801	31.2	16.1	47.3
38	Bluff groundwater	SRC	31822	33.6	12.7	46.3
39	Tararua	HMW	61544	45.9	0	45.9
40	Havelock Aquifer	MDC	31500	45.9	0	45.9
41	Ashburton-Rangitata plains	CRC	87198	39.9	0	39.9
42	Taramakau River	WCRC	41300	30.2	9.3	39.5
43	Waitaki Groundwater	CRC	85878	6.7	30.9	37.6
44	Raumati-Paekakariki	WRC	80234	2.3	32.3	34.6
45	Matahina Ignimbrite	EBOP	84000	0.5	33.1	33.6
46	Kai Iwi Stream	HMW	80640	25.5	6.8	32.3
47	Wairarapa	WRC	34426	16.9	13.9	30.8
48	Parnassus Basin	CRC	38704	29.8	0	29.8
49	Coastal	HMW	35945	16.7	10	26.7
50	South Auckland volcanics	EW	19649	17	8.9	25.9
51	Waiau groundwater	SRC	60200	24.1	0	24.1
52	Waitemata Formation	ARC	43114	3.4	20	23.4
53	Small West Coast	EW	14000	21	2.3	23.3
54	South Auckland volcanics	ARC	50330	20.3	0	20.3
55	Whangaehu River	HMW	13104	19.1	0	19.1
56	Waihi Beach Rhyolite	EBOP	11158	11.7	5	16.7
57	Galatea Basin	EBOP	35000	10	5.4	15.4
58	Kaituna Valley	MDC	34720	2.4	11.5	13.9
59	Not Defined	ARC	31014	13.8	0	13.8
60	New River	WCRC	13496	7.4	5.5	12.9
61	Tuamarino Valley	MDC	31822	11.7	1	12.7
62	East Coastal groundwater	NRC	19348	4.5	7.8	12.3
63	Rangitaiki Plains (assumes shallow system)	EBOP	16135	4.6	7.3	11.9
64	Whenuakura Formation	TRC	23937	9.9	0.6	10.5
65	Te Hapara sand	GDC	4795	10	0	10
66	Opotiki	EBOP	22960	2.4	7	9.4
67	Other Wellington groundwater	WRC	4846	8.1	0	8.1
68	Waiotapu Ignimbrite	EW	19600	6.4	1.4	7.8
69	Mowhanau Stream	HMW	18144	5.4	1.9	7.3
70	Takaka Limestone	TDC	9656	3.2	3.8	7
71	Tauranga Harbour GW	EBOP	3185	6.6	0	6.6
72	Rotorua GW	EBOP	4214	6	0.1	6.1
73	Groundwater Central Coast	CRC	13860	5.5	0	5.5
74	Lower Clutha Plain	ORC	3710	5.4	0	5.4
75	Sandstone	ARC	8120	1.7	3.6	5.3
76	Wanganui River	WCRC	12432	5	0	5
77	Waiteariki Ignimbrite	EBOP	3108	4.9	0	4.9
78	Benmorven	MDC	5187	2.2	2.3	4.5
79	Otorohanga and Orahiri limestone	EW	8120	2.4	1.8	4.2
80	Kaikohe	NRC	9800	4.1	0	4.1
81	Auckland coastal aquifers	EW	2849	4	0.1	4.1
82	Taranaki Volcanic	TRC	5880	2.8	1.2	4
83	Moeraki River	WCRC	9072	3.8	0	3.8
84	Whataroa River	WCRC	9072	3.6	0	3.6
85	Buller River Terraces	TDC	8000	0.4	2.8	3.2
86	Aparima groundwater	SRC	7392	-0.2	3.2	3
87	Esk Valley	HBRC	6224	-0.3	3	2.7
88	Totara River	WCRC	2520	2.4	0	2.4
89	Ruawai	NRC	5670	2.3	0	2.3
90	Arthur Marble	TDC	4403	2.3	0	2.3
91	Auckland coastal aquifers	ARC	2954	0.7	1.2	1.9
92	Karamea River	WCRC	1342	1.2	0.6	1.8
93	Aupouri	NRC	994	1.1	0.4	1.5
94	Westland groundwater	TDC	2676	1.3	0	1.3
95	Porangahau River	HBRC	3085	1.2	0	1.2
96	Timaru-Waimate groundwater	CRC	2016	0.3	0.8	1.1
97	Marahau River	TDC	1282	1	0.1	1.1
98	Matarau	NRC	756	0.8	0.3	1.1
99	Strath Taieri Basin	ORC	756	1.1	0	1.1
100	Haast River	WCRC	2177	0.1	0.8	0.9

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Printed: 26/11/2009