Statistics Canada
Symbol of the Government of Canada
Skip to content |

Common menu bar links

Home >

Page content follows

Table 31
Percentage of stations, which change category when three samples are used instead of four

Warning View the most recent version.

Archived Content

Information identified as archived is provided for reference, research or recordkeeping purposes. It is not subject to the Government of Canada Web Standards and has not been altered or updated since it was archived. Please "contact us" to request a format other than those available.

Standard symbols

Province
Number of parameters
 Percentage Mean of WQI variations
+
0
-
+
0
-
Newfoundland and Labrador
4
6.92
91.18
1.89
11.56
0.15
-1.45
6
7.16
90.67
2.17
8.54
0.32
-1.35
8
7.23
90.68
2.09
6.93
0.39
-1.34
10
7.54
90.17
2.29
6.13
0.35
-1.22
Ontario
4
10.63
86.82
2.55
12.82
0.06
-1.98
7
10.81
86.39
2.79
8.87
0.44
-1.71
10
10.36
86.42
3.22
7.48
0.60
-1.67
14
10.05
86.95
3.00
6.31
0.71
-1.88
British Columbia
4
8.04
90.87
1.10
13.39
0.05
-2.39
6
6.21
92.97
0.81
10.57
0.48
-0.84
7
12.26
86.43
1.30
7.55
0.30
-1.83
8
7.91
92.09
.
7.18
0.32
.
Quebec
4
11.08
87.94
0.98
13.34
0.03
-1.69
5
12.80
86.55
0.65
12.59
0.11
-2.99
6
4.11
93.15
2.74
16.10
0.30
-0.39
Notes:
+ : Improvement of water quality in terms of category when we use three samples instead of four in the index calculation.
0 : No change of water quality in terms of category when we use three samples instead of four in the index calculation.
- : Degradation of water quality in terms of category when we use three samples instead of four in the index calculation.
Data source: Data come from federal, provincial and joint water quality surveillance programs.
Table source: Statistics Canada, 2007, Environment Accounts and Statistics Technical Paper Series, volume 2007, number 3, Behaviour Study on the Water Quality Index of the Canadian Council of Ministers of the Environment, catalogue number 16-001-MWE.
Date Modified: 2007-09-19

Top of Page
Important Notices