Base Data of Provincial Waterworks Authority

Section 1. Contact Information

1.1 Contact Name:
Vichian, , Udomratanasilpa
1.2 Title:
Assistant Governor (Corporate Affairs)
1.3 Mailing Address:
Provincial Waterworks Authority; 72 Changwattana Road; Laksi , Bangkok 10210, Thailand
1.4 Telephone:
(662) 521-3756, (662) 551-8404-5
1.5 Fax:
(662) 973-4808
1.6 Email Address:
Vichianu@pwa.co.th

Section 2. Water Supply Utility General Information

2.1 Utility Full Name:
Provincial Waterworks Authority
2.2 Utility short name or acronym:
PWA
2.3 Country:
Thailand
2.4 Region / State / Province:
Bangkok
2.5 Principal city / town:
73 Provinces
2.6 Type of services provided by the utility
  • piped water supply services
2.7 Type of water utility: State owned enterprise operating under commercial law
2.8 Extent of private sector involvement in your utility:
  • service contract(s)
  • management contract(s)
  • lease contract(s)
  • build, (own,) operate & transfer (BOOT, BOT) contract(s)

Section 3: Service Area

3.1 Size of Utility’s area of Responsibility:
509,900.00 km2
3.2 Size of Utility’s present service area:
km2
3.3 Population of Utility’s area of responsibility:
12,000,000 persons
3.4 Population of Utility’s present service area:
12,000,000 persons
3.5 Population served by the Utility with piped water supply:
11,000,000 persons
3.6 Number of towns served with piped water:
73

Section 4. Infrastructure Description

4.1 Source(s) of raw water
 
  • bulk water from another utility / company
  • storage reservoir / impoundment
  • direct river abstraction
  • groundwater
4.2 Main methods of treatment used
  • disinfection
  • filtration
  • floculation and sedimentation
  • aeration
  • desalination
4.3 Capacity of production systems:
2,983,000 m3/day
4.4 Length of water distribution network:
40,000 km
4.5 Capacity of storage in network:
1,845,800 m3
4.6 Piped water supply connections:
Domestic (Households)
1,511,667
Non Domestic (industrial, commercial, institutional, other)
455,625
TOTAL
1,967,292
4.7 Number of connections with operating water meters:
1,967,292
4.8 Typical length of service pipe from main to water meter:
15.00 m

Section 5. Water Consumption & Production

5.1 Volume of water produced by the Utility:
657.00 million m3 / year
5.2 Volume of water bought in bulk from other utility / company:
93.00 million m3 / year
5.3 Volume of water metered:
550.00 million m3 / year
5.4 Estimated un-metered consumption:
5.5 Estimated un-metered consumption due to meter inaccuracy:
0.22% of metered consumption
5.6 Volume of water billed / sold:
Domestic (Households)
250.00 million m3 / year
Non Domestic (industrial, commercial, institutional, other)
298.00 million m3 / year
Bulk water sales
2.00 million m3 / year
TOTAL
550.00 million m3 / year

Section 6. Water Supply System Performance

6.1 Number of customers who received intermittent supply:

6.2 Typical duration of supply:
24.0 hours / day
6.3 Typical mains water pressure in your pipe network:
5.00 metres
6.4 Number of water pipe breaks in the distribution network:

6.5 Required no. of tests of treated water for residual chlorine:
109,920 # / year
6.6 No.of tests of treated water for residual chlorine carried out:
107,499 # / year
6.7 No.of tests of treated water for residual chlorine passed:
107,033 # / year

Section 7. Staff

7.1 Who does the work in your company:
  • permanent staff – salaried Government employees
  • permanent staff – with contract
7.2 Number of Full Time Equivalent (FTE) staff in the company:
Corporate Services (Management, Admin, Finance, Technical, etc.)
1677
Water Supply (O&M, Customer Services, Support Services, etc)
4178
Other non water supply (e.g. wastewater, drainage, environment)
0
TOTAL
5855
7.3 No. of staff that participated in at least one training event during the year:
3413 staff
7.4 Total no. of training days (? (participants x training event duration)) in the year:
12906 days
7.5 Proportion of total operating budget used for HRD:
0.20%

Section 8. Customers

8.1 No. of new customers connected to water supply system during the year:
113,825 # / year
8.2 Number of customer complaints recorded during the year:
70,000 # / year
8.3 Means by which customer can make a recorded complaint
  • in person
  • by telephone
  • by email
  • by letter
8.4 How does the Utility find out the views of its customers
  • from customer interactions (letters, telephone calls, enquiry counter, etc.)
  • by responding to customer complaints
  • from customer surveys, questionnaires, etc.
  • by market research
8.5 Typically what is the connection charge for new customers:
  local currency US$
Domestic (Households) 3,000.00 77.35
Non Domestic (industrial, commercial, institutional, other)
8.6 Typically what is the water supply fixed charge / month:
  local currency US$
Domestic (Households) 30.00 0.77
Non Domestic (industrial, commercial, institutional, other) 75.00 1.93
Bulk water sales
8.7 Typically what is the water tariff for metered consumption:
Tariff Block
Domestic
Non Domestic
Bulk water sales
From
To
Cost/m3
From
To
Cost/m3
From
To
Cost/m3
(m3/month)
(m3/month)
THB
US$
(m3/month)
(m3/month)
THB
US$
(m3/month)
(m3/month)
THB
US$
1
zero <=10 7.75 0.20 zero <=10 9.5 0.24 zero <=
2
>10 <=20 8.5 0.22 >10 <=20 12.375 0.32 > <=
3
>20 <=30 10.75 0.28 >20 <=30 14.5 0.37 > <=
4
>30   13.875 0.36 >30   17.45 0.45 >  
8.8 Monthly water bill for a household consuming 6 m3 of water / month:
THB
US$
46.5 1.20

Section 9. Finance

9.1 Water supply revenue of the company:
 
THB
US$
Water sales (consumption related & fixed charges)
7,716,000,000.00
198,948,532.77
Other water related revenue (e.g. materials sales, construction, etc.)
407,000,000.00
10,494,045.21
Subsidies and grants from Government & other sources
0.00
0.00
TOTAL
8,123,000,000.00
209,442,577.98
9.2 Year end Accounts Receivable:
THB
US$
254,000,000.00 6,549,109.30
9.3 Operating (recurrent) expenses of the company:
 
THB
US$
Water Supply Operating Expenses
6,965,000,000.00
179,584,827.72
Other services (e.g. drainage, wastewater)
0.00
0.00
Company Overhead (Corporate Expenses)
778,000,000.00
20,059,870.20
TOTAL
7,743,000,000.00
199,644,697.93
9.4 Water supply operating expenses of the company:
 
THB
US$
Labour Costs
2,029,000,000.00
52,315,522.68
Electricity
602,000,000.00
15,521,904.71
Chemicals & other Materials
1,345,000,000.00
34,679,338.59
Contracted out services
321,000,000.00
8,276,630.25
Other
2,668,000,000.00
68,791,431.50
TOTAL
6,965,000,000.00
179,584,827.72

Section 10. Capital Investment

10.1 Principal source of funds for investment in the last 5 years:
  • own internal sources of funding
  • grant from Government or ODA project
  • private sector investment / equity
  • PWA's Bond
10.2 Gross fixed asset value including works in progress:
 
THB
US$
Water Supply Assets
38,776,000,000
999,796,307
Other services (e.g. drainage, wastewater)
0
0
Corporate Assets
0
0
TOTAL
38,776,000,000
999,796,307
10.3 Total debt servicing cost per year:
THB
US$
6,350,000,000 163,727,732

Performance Indicators

Back to Benchmarking Home

SEAWUN © 2004-2005 - All rights reserved
Designed by Hung Son @ Perfect-Digital.com