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4602.0 - Environmental Issues: People's Views and Practices, Mar 2007  
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 06/12/2007  Final
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Contents >> Rainwater tanks and Australian Households >> Rainwater tanks and Australian Households Tables

3.6 Rainwater tank as a source of water for households(a)

NSW
Vic.
Qld
SA
WA
Tas.
NT(b)
ACT
Aust.

MARCH 2007

Number ('000)
Rainwater tank
421.4
332.4
345.7
295.7
109.6
42.7
*3.4
8.6
1 559.4
Total households
2 672.3
1 984.8
1 563.0
651.1
805.5
199.1
61.4
128.7
8 065.9
Proportion (%)
Rainwater tank
15.8
16.7
22.1
45.4
13.6
21.4
*5.5
6.7
19.3

MARCH 2004

Number ('000)
Rainwater tank
329.5
305.4
261.0
305.0
94.3
38.7
(c)2.9
4.0
1 340.7
Total households
2 574.8
1 911.1
1 498.1
633.1
782.0
197.3
55.0
124.0
7 775.4
Proportion (%)
Rainwater tank
12.8
16.0
17.4
48.2
12.1
19.6
(c)5.3
3.2
17.2

MARCH 2001

Number ('000)
Rainwater tank
236.0
244.7
243.9
318.7
76.2
32.8
(c)0.7
(c)2.5
1 155.5
Total households
2 423.3
1 806.9
1 397.5
615.2
731.9
190.8
57.0
121.5
7 344.1
Proportion (%)
Rainwater tank
9.7
13.5
17.5
51.8
10.4
17.2
(c)1.3
(c)2.0
15.7

MARCH 1998

Number ('000)
Rainwater tank
288.7
239.7
230.4
318.0
67.8
31.1
(c)2.8
(c)1.4
1 180.0
Total households
2 353.6
1 722.8
1 281.3
594.3
688.9
186.7
56.4
115.8
6 999.7
Proportion (%)
Rainwater tank
12.3
13.9
18.0
53.5
9.8
16.7
(c)5.0
(c)1.2
16.9

JUNE 1994

Number ('000)
Rainwater tank
196.0
203.1
202.2
272.2
68.5
32.2
(c)1.2
(c)1.0
976.4
Total households
2 157.7
1 606.4
1 142.7
567.3
610.6
179.9
46.2
103.6
6 414.5
Proportion (%)
Rainwater tank
9.1
12.6
17.7
48.0
11.2
17.9
(c)2.6
(c)0.9
15.2

* estimate has a relative standard error of 25% to 50% and should be used with caution
(a) Includes households that use a rainwater tank as a source of water, regardless of whether or not a rainwater tank was installed at the dwelling. Excludes households that had a rainwater tank installed at the dwelling but that did not report a rainwater tank as a source of water for the household.
(b) Northern Territory data refers mainly to urban areas only.
(c) Estimate is subject to sampling variability too high for most practical purposes.

3.7 Households with rainwater tank installed at dwelling(a) - 2007

NSW
Vic.
Qld
SA
WA
Tas.
NT(b)(c)
ACT(c)
Aust.

NUMBER ('000)

Capital city
Dwelling has rainwater tank
125.2
136.8
115.2
193.3
44.0
10.9
*3.7
9.7
638.8
Dwelling does not have rainwater tank
1 085.0
1 041.9
511.1
240.6
496.1
63.9
46.2
109.0
3 593.9
Dwelling not suitable for rainwater tank
427.2
229.3
92.3
46.8
67.1
8.0
11.5
9.9
892.0
Total households
1 637.5
1 408.0
718.6
480.6
607.3
82.8
61.4
128.7
5 124.8
Balance of state/territory
Dwelling has rainwater tank
315.6
227.2
244.5
127.5
71.0
34.1
-
-
1 019.8
Dwelling does not have rainwater tank
627.2
293.5
521.5
34.6
115.5
73.4
-
-
1 665.6
Dwelling not suitable for rainwater tank
92.1
56.1
78.4
*8.5
*11.8
8.9
-
-
255.7
Total households
1 034.9
576.7
844.4
170.6
198.2
116.3
-
-
2 941.1
Total state/territory
Dwelling has rainwater tank
440.8
363.9
359.8
320.7
115.0
45.0
*3.7
9.7
1 658.6
Dwelling does not have rainwater tank
1 712.2
1 335.5
1 032.6
275.2
611.6
137.3
46.2
109.0
5 259.6
Dwelling not suitable for rainwater tank
519.3
285.4
170.6
55.3
78.9
16.8
11.5
9.9
1 147.7
Total households
2 672.3
1 984.8
1 563.0
651.1
805.5
199.1
61.4
128.7
8 065.9

PROPORTION (%)

Capital city
Dwelling has rainwater tank
7.6
9.7
16.0
40.2
7.2
13.2
*6.0
7.6
12.5
Dwelling does not have rainwater tank
66.3
74.0
71.1
50.1
81.7
77.2
75.3
84.7
70.1
Dwelling not suitable for rainwater tank
26.1
16.3
12.8
9.7
11.1
9.6
18.7
7.7
17.4
Balance of state/territory
Dwelling has rainwater tank
30.5
39.4
29.0
74.7
35.8
29.3
-
-
34.7
Dwelling does not have rainwater tank
60.6
50.9
61.8
20.3
58.3
63.1
-
-
56.6
Dwelling not suitable for rainwater tank
8.9
9.7
9.3
*5.0
*5.9
7.6
-
-
8.7
Total state/territory
Dwelling has rainwater tank
16.5
18.3
23.0
49.3
14.3
22.6
*6.0
7.6
20.6
Dwelling does not have rainwater tank
64.1
67.3
66.1
42.3
75.9
68.9
75.3
84.7
65.2
Dwelling not suitable for rainwater tank
19.4
14.4
10.9
8.5
9.8
8.5
18.7
7.7
14.2

* estimate has a relative standard error of 25% to 50% and should be used with caution
- nil or rounded to zero (including null cells)
(a) Includes households that had a rainwater tank installed at the dwelling even if they did not report a rainwater tank as a source of water for the household.
(b) Northern Territory data refers to mainly urban areas only.
(c) No regional split between capital city and balance of state/territory for the NT and the ACT as the sample does not support any breakdown beyond the whole territory.

3.8 Households with rainwater tanks(a)(b), Sufficient supply - 2007

NSW
Vic.
Qld
SA
WA
Tas.
NT(c)
ACT
Aust.

NUMBER ('000)

Sufficient supply
329.6
234.9
286.8
227.8
82.0
29.9
np
np
1 198.4
Insufficient supply
65.0
78.7
36.6
49.2
17.5
np
np
np
261.9
Don't know
*5.5
*7.7
10.9
*3.3
*2.6
np
-
np
30.9
Total households
400.2
321.4
334.3
280.3
102.0
41.4
*3.1
8.5
1 491.2

PROPORTION (%)

Sufficient supply
82.4
73.1
85.8
81.3
80.3
72.4
np
np
80.4
Insufficient supply
16.3
24.5
10.9
17.6
17.1
np
np
np
17.6
Don't know
*1.4
*2.4
3.3
*1.2
*2.5
np
-
np
2.1

* estimate has a relative standard error of 25% to 50% and should be used with caution
- nil or rounded to zero (including null cells)
np not available for publication but included in totals where applicable, unless otherwise indicated
(a) Includes households which have a rainwater tank at their dwelling but excludes those households which have a rainwater tank but do not use it.
(b) These figures are not directly comparable to those appearing in previous editions (refer to Explanatory Note 19).
(c) Northern Territory data refers to mainly urban areas only.

3.9 Households with rainwater tank(a), Reasons why tank was installed - 2007

NSW
Vic.
Qld
SA
WA
Tas.
NT(b)(c)
ACT(c)
Aust.

NUMBER(d) ('000)

Capital City
To save water
67.0
73.6
45.6
56.8
13.9
*2.0
**1.8
5.1
265.8
Not connected to mains water
**4.0
**8.2
*8.0
**4.8
*5.4
*4.9
**1.4
-
36.7
Water restrictions on mains water
32.0
24.7
29.0
*2.7
np
np
-
3.5
93.8
Concerns about quality of other sources of water/prefer rainwater
*3.2
*2.7
5.9
30.5
7.8
-
np
np
51.4
To save on water costs
17.1
10.8
*8.2
19.6
np
np
np
*1.7
61.6
For outdoor usage
10.3
15.7
17.9
7.7
np
np
-
np
52.6
Other
25.0
10.7
15.2
14.3
5.2
*1.4
-
*1.2
73.0
Total households
104.5
108.4
94.7
107.4
28.4
6.9
*3.3
8.3
461.8
Balance of state/territory
To save water
73.7
34.7
36.7
31.6
*8.2
4.7
-
-
189.6
Not connected to mains water
74.9
58.8
89.8
*12.6
*14.7
9.9
-
-
260.6
Water restrictions on mains water
16.6
15.1
20.2
*4.8
np
np
-
-
57.1
Concerns about quality of other sources of water/prefer rainwater
45.7
30.5
29.4
30.9
21.0
*4.1
-
-
161.7
To save on water costs
33.0
*7.6
*9.2
14.0
np
np
-
-
68.7
For outdoor usage
*2.4
*6.1
*6.9
-
np
np
-
-
15.7
Other
16.8
9.5
16.2
7.1
5.6
*1.3
-
-
56.6
Total households
196.9
135.4
166.4
65.5
44.2
20.6
-
-
629.1
Total state/territory
To save water
140.7
108.3
82.3
88.4
22.1
6.6
**1.8
5.1
455.4
Not connected to mains water
79.0
67.0
97.8
*17.3
20.1
14.8
**1.4
-
297.3
Water restrictions on mains water
48.6
39.8
49.2
7.5
np
np
-
3.5
150.9
Concerns about quality of other sources of water/prefer rainwater
48.9
33.2
35.2
61.4
28.8
*4.1
np
np
213.1
To save on water costs
50.1
18.4
17.4
33.5
7.1
np
np
*1.7
130.4
For outdoor usage
12.7
21.8
24.9
7.7
np
np
-
np
68.3
Other
41.7
20.3
31.3
21.4
10.8
*2.7
-
*1.2
129.6
Total households
301.4
243.8
261.0
172.9
72.7
27.6
*3.3
8.3
1 090.9

PROPORTION (%)

Capital City
To save water
64.1
67.9
48.1
52.9
49.0
*28.1
*55.8
62.3
57.5
Not connected to mains water
**3.9
**7.6
*8.4
**4.4
*18.9
70.7
**44.5
-
7.9
Water restrictions on mains water
30.7
22.8
30.7
*2.5
np
np
-
42.3
20.3
Concerns about quality of other sources of water/prefer rainwater
*3.0
**2.5
6.2
28.4
27.5
-
np
np
11.1
To save on water costs
16.4
10.0
*8.7
18.2
np
np
np
20.1
13.3
For outdoor usage
*9.9
14.5
18.9
7.2
np
np
-
np
11.4
Other
23.9
9.9
16.0
13.3
18.3
*20.3
-
*14.8
15.8
Balance of state/territory
To save water
37.4
25.7
22.1
48.3
*18.5
22.6
-
-
30.1
Not connected to mains water
38.1
43.4
54.0
*19.2
33.2
47.8
-
-
41.4
Water restrictions on mains water
8.4
11.1
12.1
*7.3
np
np
-
-
9.1
Concerns about quality of other sources of water/prefer rainwater
23.2
22.6
17.7
47.2
47.4
*20.1
-
-
25.7
To save on water costs
16.8
*5.6
*5.5
21.3
np
np
-
-
10.9
For outdoor usage
*1.2
*4.5
*4.2
-
np
np
-
-
2.5
Other
8.5
7.0
9.7
10.9
12.8
*6.5
-
-
9.0
Total state/territory
To save water
46.7
44.4
31.5
51.1
30.4
24.0
*55.8
62.3
41.7
Not connected to mains water
26.2
27.5
37.5
*10.0
27.6
53.6
**44.5
-
27.3
Water restrictions on mains water
16.1
16.3
18.8
4.3
np
np
-
42.3
13.8
Concerns about quality of other sources of water/prefer rainwater
16.2
13.6
13.5
35.5
39.6
*15.0
np
np
19.5
To save on water costs
16.6
7.6
6.7
19.4
9.8
np
np
20.1
12.0
For outdoor usage
4.2
8.9
9.5
4.4
np
np
-
np
6.3
Other
13.8
8.3
12.0
12.4
14.9
*10.0
-
*14.8
11.9

* estimate has a relative standard error of 25% to 50% and should be used with caution
** estimate has a relative standard error greater than 50% and is considered too unreliable for general use
- nil or rounded to zero (including null cells)
np not available for publication but included in totals where applicable, unless otherwise indicated
(a) Includes only those households which installed their own rainwater tank.
(b) Northern Territory data refers to mainly urban areas only.
(c) No regional split between capital city and balance of state/territory for NT and ACT as the sample does not support any breakdown beyond the whole territory.
(d) Totals do not equal the sum of items in each column as more than one reason may have been reported.

3.10 Whether a rainwater tank is installed at dwelling(a), By selected attributes - 2007

Dwelling has tank
Dwelling does not have tank
%
%

Tenure
Owned outright
30.4
69.6
Being purchased
22.3
77.7
Rented
12.7
87.3
Dwelling type(b)
Separate house
25.9
74.1
Semi-detached, row/terrace house, townhouse etc.
6.2
93.8
Household type
Family household(c)
24.9
75.1
Lone person household
22.0
78.0
Group household
13.2
86.8
Who pays for water
Pays all water costs
24.5
75.5
Pays part of water costs
12.7
87.3
Landlord/someone else pays
25.5
74.5

(a) Figures in each row have been calculated as a proportion of the total households with the attribute described in that row.
(b) The dwelling type 'Flat, unit or apartment' is not shown as these types of dwellings are unsuitable for installation of rainwater tanks.
(c) Includes one family households and multiple family households with or without non-family members present.

3.11 Households without a rainwater tank(a)(b), Whether considered installing a tank - 2007

NSW
Vic.
Qld
SA
WA
Tas.
NT(c)(d)
ACT(d)
Aust.

NUMBER ('000)

Capital City
Considered installing
502.5
529.5
274.6
105.9
162.9
20.7
9.8
53.7
1 659.5
Did not consider installing(a)
344.4
316.2
72.4
64.0
209.1
30.4
20.7
27.5
1 084.9
Total households
847.0
845.7
346.9
169.9
372.0
51.2
30.5
81.2
2 744.4
Balance of state/territory
Considered installing
289.7
151.9
207.8
14.9
44.6
26.3
-
-
735.3
Did not consider installing(a)
179.2
70.6
146.9
6.7
28.7
29.3
-
-
461.6
Total households
469.0
222.6
354.7
21.6
73.3
55.7
-
-
1 196.9
Total state/territory
Considered installing
792.3
681.4
482.4
120.8
207.4
47.1
9.8
53.7
2 394.9
Did not consider installing(a)
523.7
386.8
219.3
70.7
237.9
59.8
20.7
27.5
1 546.4
Total households
1 315.9
1 068.3
701.6
191.5
445.3
106.9
30.5
81.2
3 941.3

PROPORTION (%)

Capital City
Considered installing
59.3
62.6
79.1
62.3
43.8
40.5
32.1
66.1
60.5
Did not consider installing(a)
40.7
37.4
20.9
37.7
56.2
59.5
67.9
33.9
39.5
Balance of state/territory
Considered installing
61.8
68.3
58.6
68.9
60.8
47.3
-
-
61.4
Did not consider installing(a)
38.2
31.7
41.4
31.1
39.2
52.7
-
-
38.6
Total state/territory
Considered installing
60.2
63.8
68.8
63.1
46.6
44.0
32.1
66.1
60.8
Did not consider installing(a)
39.8
36.2
31.2
36.9
53.4
56.0
67.9
33.9
39.2

- nil or rounded to zero (including null cells)
(a) Includes those households that responded "Don't know'.
(b) These figures are not comparable to those appearing in previous editions (refer to Explanatory Note 20).
(c) Northern Territory data refers to mainly urban areas only.
(d) No regional split between capital city and balance of state/territory available for NT and the ACT as the sample does not support any breakdown beyond the whole territory.

3.12 Factors preventing installation of a rainwater tank(a)(b) - 2007

NSW
Vic.
Qld
SA
WA
Tas.
NT(c)
ACT
Aust.

NUMBER ('000)

Not allowed in the area
18.4
12.4
8.7
np
np
*1.5
*1.7
*0.9
44.5
Cost
420.8
345.7
185.0
48.1
88.4
19.3
4.4
26.7
1 138.3
No room
124.1
83.9
47.8
28.0
32.3
np
np
9.8
328.9
No time/planned but haven't got around to it
195.3
179.5
159.3
35.5
68.7
19.2
*2.8
14.4
674.6
Health concerns
*7.1
*5.5
*6.8
*3.7
np
*1.6
np
**0.5
32.6
Insufficient rainfall
*6.7
39.4
*5.4
*2.6
6.4
np
np
3.8
64.6
Tank ordered but not yet installed
15.0
20.9
35.3
np
*2.5
np
np
*0.7
76.0
Still considering/awaiting renovations or repairs
16.7
10.0
14.7
*1.3
*2.6
*1.5
np
np
47.4
Dwelling not suitable
16.2
12.6
19.7
*3.1
*4.4
*1.3
-
*1.9
59.3
Planning to move house
18.3
15.3
16.7
**0.8
*4.5
**0.7
-
-
56.2
Other
46.3
66.4
44.6
9.5
15.5
*2.4
**0.7
5.6
191.0
Don't know
14.4
*6.3
6.7
**1.2
6.5
np
np
np
35.9
Total households
792.3
681.4
482.4
120.8
207.4
47.1
9.8
53.7
2 394.9

PROPORTION (%)

Not allowed in the area
2.3
1.8
1.8
np
np
*3.3
*17.6
*1.6
1.9
Cost
53.1
50.7
38.3
39.8
42.6
41.0
44.6
49.8
47.5
No room
15.7
12.3
9.9
23.2
15.6
np
np
18.3
13.7
No time/planned but haven't got around to it
24.6
26.3
33.0
29.4
33.1
40.7
*28.2
26.9
28.2
Health concerns
*0.9
*0.8
*1.4
*3.1
np
*3.5
np
**0.9
1.4
Insufficient rainfall
*0.8
5.8
*1.1
*2.1
*3.1
np
np
7.0
2.7
Tank ordered but not yet installed
1.9
3.1
7.3
1.0
*1.2
np
np
*1.3
3.2
Still considering/awaiting renovations or repairs
2.1
1.5
3.0
*1.1
*1.3
*3.1
np
np
2.0
Dwelling not suitable
2.0
1.9
4.1
*2.5
*2.1
*2.8
-
*3.6
2.5
Planning to move house
2.3
2.2
3.5
**0.6
*2.2
**1.4
-
-
2.3
Other
5.8
9.7
9.2
7.8
7.5
*5.1
**6.8
10.5
8.0
Don't know
1.8
*0.9
1.4
**1.0
3.1
np
np
np
1.5

* estimate has a relative standard error of 25% to 50% and should be used with caution
** estimate has a relative standard error greater than 50% and is considered too unreliable for general use
- nil or rounded to zero (including null cells)
np not available for publication but included in totals where applicable, unless otherwise indicated
(a) Includes only households which are owner occupiers/purchasers, who have considered installing a rainwater tank. Excludes households where the dwelling is unsuitable for a rainwater tank (e.g. flats) and dwellings where there is already a rainwater tank.
(b) These figures are not directly comparable to those appearing in previous editions (refer to Explanatory Note 20).
(c) Northern Territory data refers to mainly urban areas only.


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