Notes:
-
Abbreviations:
HC- adjusted;
KD: not used;
??: the datum is unreasonable but not adjustable
(2): The WSUs with the names in bold characters are those in the first quartile (including twenty one (21) WSUs having biggest capacities)
Table 4. The quartiles of indicator values of WSUs
Code
|
Indicator
|
Unit
|
Quartiles
|
Min
|
Q1 (lower)
|
Q2 (median)
|
Q3 (upper)
|
Max
|
A67
|
Design capacity
|
m3/ day
|
|
|
|
|
|
|
IV CG
|
|
1,400
|
11,750
|
29,000
|
60,175
|
1,545,100
|
|
V CG
|
|
620
|
4,700
|
9,100
|
16,875
|
72,950
|
|
Combined
|
|
1,000
|
12,433
|
34,950
|
69,875
|
1,545,100
|
A30
|
Population in the responsible area
|
‘000 inhabitants
|
13.900
|
111.000
|
218.000
|
422.000
|
8.062.000
|
A36* A35
|
Serviced population
|
‘000 inhabitants
|
8.000
|
63.492
|
157.000
|
298.000
|
8.062.000
|
A35
|
The domestic connections
|
‘000 conn.
|
1,286
|
42,298
|
124,103
|
276,956
|
2,679,569
|
A26-27
|
Abstracted water amount
|
‘000 m3/ day
|
330
|
4,785
|
11,204
|
21,656
|
434,872
|
|
The surface water ratio
|
%
|
0
|
17.98
|
92.13
|
100
|
100
|
|
The ground water ratio
|
%
|
0
|
0
|
10.39
|
95.90
|
100
|
A70
|
The water volume supplied into distribution network
|
‘000 m3/ day
|
319
|
3,634
|
8,834
|
20,003
|
324,355
|
|
Service coverage
|
|
|
|
|
|
|
1.1
|
Percentage urban population served
|
%
|
|
|
|
|
|
| |
|
10.0
|
65.56
|
81.47
|
96.83
|
100
|
| |
|
4.21
|
44.08
|
68.82
|
83.06
|
100
|
| |
|
10.00
|
55.67
|
75.88
|
87.65
|
100.00
|
|
Water Production and consumption
|
|
|
|
|
|
|
2.1
|
Production utilization of capacity
|
%
|
45.70
|
68.37
|
79.40
|
89.64
|
121.02
|
2.2
|
Residential Water consumption per capita
|
liters/person/ day
|
|
|
|
|
|
| |
|
38
|
93
|
107
|
122
|
189.
|
| |
|
31
|
67
|
82
|
102
|
208.
|
| |
|
38
|
89
|
103
|
116
|
183
|
2.3
|
Non-Revenue Water
|
%
|
|
|
|
|
|
| |
|
0
|
16.97
|
22.04
|
26.85
|
45.17
|
| |
|
0
|
13.16
|
20.53
|
23.97
|
53.94
|
| |
|
0.52
|
18.16
|
22.47
|
26.36
|
45.17
|
2.4
|
Water Treatment Plant efficiency/ - water used at the water treatment plant
|
%
|
|
|
|
|
|
| |
|
0
|
1.97
|
4.75
|
8.14
|
100
|
| |
|
0
|
3.10
|
6.00
|
10.46
|
93.29
|
| |
|
0
|
2.61
|
4.76
|
9.02
|
99.06
|
|
Metering
|
|
|
|
|
|
|
3.1
|
Meters checked, recalibrated or replaced per year
|
%
|
0
|
3.03
|
7.05
|
14.01
|
55.95
|
|
Network Performance
|
|
|
|
|
|
|
4.1
|
Number of pipe breaks in whole network
|
breaks/km/yr.
|
0
|
0.15
|
0.22
|
1.88
|
10.85
|
4.1a
|
Number of pipe breaks
in TRANSMISSION network
|
breaks/km/yr.
|
0
|
0.07
|
0.66
|
0.88
|
15.24
|
4.1b
|
Number of pipe breaks in DISTRIBUTION network
|
breaks/km/yr.
|
0
|
0.16
|
0.69
|
2.37
|
17.38
|
4.2
|
Investment in the development of the distribution system (as a % of revenues)
|
%
|
0
|
4.5
|
11.52
|
27.85
|
219.68
|
4.3
|
Pipe rehabilitation or renovation (length of mains renovated/ replaced as a % of total length)
|
%
|
0
|
|
0.37
|
5.47
|
17.39
|
|
Electricity Consumption:
|
|
|
|
|
|
|
5.1
|
Electricity consumption per m3 of water produced
|
KWh/m3
|
0
|
0.27
|
0.33
|
0.45
|
1.82
|
|
Operating Costs:
|
|
|
|
|
|
|
6.1
|
Unit (of ALL) Operational Cost of water sold
|
VND/m3 sold
|
585
|
2,463
|
3,176
|
4,566
|
12,001
|
6.2
|
Unit (of ALL) Operational Cost of water produced
|
VND/m3 produced
|
820
|
2,003
|
2,660
|
4,105
|
9,968
|
6.3
|
Energy Costs vs Operational Costs
|
%
|
0
|
12.5
|
18.43
|
24.20
|
44.65
|
6.4
|
Labor Costs vs Operational Costs
|
%
|
0
|
21.23
|
37.69
|
40.36
|
67.00
|
6.5
|
Chemical Costs vs Operational Costs
|
%
|
0
|
1.82
|
4.56
|
7.24
|
17.46
|
|
Staffing Levels
|
|
|
|
|
|
|
7.1
|
Staff per water supply connections
|
#/'000 conn.
|
2.14
|
5.1
|
7.1
|
8.72
|
48.25
|
7.2
|
Staff per population served (’000 )
|
#/'000 pop served
|
0.44
|
1.07
|
1.58
|
2.16
|
10.08
|
|
Quality of Service provided:
|
|
|
|
|
|
|
8.1
|
Continuity of Service (hours of water service per day)
|
hrs./day
|
12
|
24
|
24
|
24
|
24
|
8.2
|
Quality of water supplied (% of tested samples passing QCVN standard)
|
%
|
0
|
95.25
|
100
|
100
|
100
|
8.3
|
Complaints about water supply services (% of number of connections)
|
%
|
0
|
0.045
|
0.27
|
0.845
|
31.73
|
|
Revenues:
|
|
|
|
|
|
|
9.1
|
Average Water Supply Revenue
|
VND/m3 water sold
|
39.92
|
2,463
|
3,176
|
4,566
|
12,601
|
|
Tariffs:
|
|
|
|
|
|
|
10.1
|
Average actual water price
|
VND/m3 water produced
|
1,825
|
4,130
|
4,842
|
5,952
|
25,048
|
10.2
|
Proportion of approved water price to proposed one
|
%
|
52.00
|
82.25
|
94.00
|
100.00
|
147.0
|
10.3
|
Average Water Supply bill for domestic customers
|
VND/m3 water billed
|
1,804
|
4,636
|
5,435
|
6,071
|
11,807
|
|
Billing and Collection:
|
|
|
|
|
|
|
11.1
|
Revenue collection efficiency
|
%
|
82.50
|
93.39
|
97.40
|
100
|
100
|
|
Financial:
|
|
|
|
|
|
|
12.1
|
Proportion of Operating Cost to Revenue
|
%
|
21.33
|
43.45
|
56.63
|
76.24
|
154.78
|
12.2
|
Debt Service Ratio (% of total direct tariff revenue)
|
%
|
0
|
2.78
|
13.88
|
22.09
|
184.92
|
12.3
|
Increase in residential connections over the year
|
%
|
2.06
|
5.05
|
7.32
|
10.12
|
141.34
|
12.4
|
Investment in domestic connections(% of total direct tariff revenue)
|
%
|
0
|
1.6
|
3.93
|
6.78
|
74.2
|
|
Staff Training:
|
|
|
|
|
|
|
13.1
|
Training and development of human resource (training costs, % of total direct tariff revenue)
|
%
|
0
|
0.02
|
0.09
|
0.3
|
28.4
|
13.2
|
Total training costs per employee
|
mill.VND/ employee
|
0
|
0.05
|
0.2
|
0.62
|
192.7
|
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