Performance Indicators of PDAM Kota Malang

1. Customer Indicators

 

Demography

 
Average town / city size 278,558 persons / town
Population density  
in area of responsibility 690 persons/km2
in existing service area 695 persons/km2
Average Household size 7.6 persons

Connections

 
Service Coverage  
in area of responsibility 68%
in existing service area 100%
Domestic / Non-Domestic  
connections ratio 15.0
consumption rate ratio 3.7
connection charge ratio 1.0
New connections  
growth rate 1% / year
domestic connection cost US$ 109.2 /connection
domestic connections 1.8% of per capita GNI
Meter coverage 100.0%
Billed unmetered consumption 10.5%

Water consumption

 
Bulk water exported 0.0% of total metered cons.
Average domestic water charges 1.0% of per capita GNI
Metered consumption rate  
Domestic
106 litres/person/day
Total consumption
135 litres/person/day
  29 m3/connection/month
Total consumption  
metered & unmetered
180 litres/person/day
  39 m3/connection/month
Share of total metered consumption  
Domestic 79%
Non Domestic 21%
Customer Interactions  
Customer complaints 1,346.2 / 1000 connections

2. Water Supply Systems O&M

 

System Input

 
Production capacity utilization 86%
Bulk water imported 0% of total system input
System Input Rate 191 litres/person/day
  41 m3/connection/month
System Input ratios  
Input / Distribution ratio 72 m3/day per km pipe
Input / Storage ratio N/A
Supply Continuity  
customers with continuous supply N/A
time water available 100%

Distribution

 
Distribution / customer 18.8 m. pipe per connection
Storage / customer N/A
Residual Chlorine  
sampling compliance 0%
tests passed 100%
Non Revenue Water (Unaccounted for Water)  
Unadjusted figures 29.6% of System Input
  21.4 m3 / km / day
  0.4 m3 / connection / day
adjusted for continuous supply 36.2% of System Input
Unmetered Consumption
 
Unbilled Authorized & Unauthorized Cons. N/A
Unmetered cons. due to meter inaccuracies N/A
Total Unmetered Consumption N/A
Distribution system condition  
Infrastructure Leakage Index [ILI] N/A
Mains failures ratio N/A

3. Human Resource Indicators

 

Human Resource Utilisation

 
Staff ratios  
Overhead staff ratio 93.8% of total FTE staff
Water supply staff ratio 6.2% of total FTE staff
Water related staff  
Total water related staff 6.9 / 1000 connections
Direct water supply staff 0.4 / 1000 connections
  0.3 / 1000 m3/day input
  2.3 / 100 km of pipework

Human Resource Development

 
Staff Training participation rate 0.0 of staff
Staff Training duration rate 0.2 days / staff
Investment in staff training 13.0% of direct labour costs
Investment in staff training 5.5% of total operating costs

Human Resources Costs

 
Average cost of employment per staff 363% of per capita GNI
Contracting out / in-house labour ratio N/A

4. Financial Indicators

 

Working ratios

 
Water sales only 1.2
Total revenue and expenses 1.2

Revenue

 
Total revenue ratio  
Water sales revenue / Total revenue 100.0%
Subsidies & Grants / Total revenue N/A
Revenue Collection period 2.4 months
Unit water price - average
0.17 US$

Expenses

 
Expenses ratio  
Compared to Total Operating expenes  
Overhead expenses N/A
Water Operating expenses  
Compared to Water Operating expenses  
Labour costs 42.3%
Electricity costs 17.7%
Chemicals & other materials 0.2%
Contracted out services costs N/A
Other N/A
Unit water cost  
Total Cost
US$ 0.137 / m3 metered cons.
  US$ 0.097 / m3 system input
Overhead expenses N/A
Labour costs US$ 0.041 / m3 system input
Electricity US$ 0.017 / m3 system input
Chemicals, etc. US$ 0.000 / m3 system input
Contracted out N/A
Other N/A
Debt servicing ratio 42.0% of total operating revenue

Fixed Assets

 
Asset Ratios  
Corporate Assets / Total Fixed Assets N/A
Water system / Total water related
N/A
Water assets compared to:  
Production capacity US$ 41.95 / m3/day
Distribution size US$ 3.53 / m. pipe
Customers US$ 66.26 / connection

 

Overall Performance (Standardised Indicators)

 

Customer Indicators

Service Coverage in existing service area
1.2
Meter coverage
0.2
Customer complaints
1.6

Water Supply Systems O&M

Supply Continuity (time water available)
0.5
Residual Chlorine tests passed
0.6
Unmetered Consumption - total
N/A
Infrastructure Leakage Index [ILI]
N/A

Human Resource Indicators

Total water related staff (cf connections)
-0.3
Investment in staff training (cf direct labour costs)
-0.6
Average cost of employment (cf per capita GNI)
0.8

Financial Indicators

Working Ratio (water sales only)
0.0
Unit water cost of system input
-0.1
Asset Investment rate cf production capacity
-0.0
Debt servicing ratio
N/A
   
Number of Standardized Indicators available
11 /14
Overall Performance Index (OPI)
0.35
Overall Ranking
6/ 47

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