CHAPTER 6: PERFORMANCE DATABASE FOR WASTEWATER

6.1.3. Verification and Data Inputs Correction

1. 
   Review and Verification of Data Inputs
   

2. 
   Data Correction
   

• 
  Use data provided by the Utilities.
  
• 
  For some inconsistencies or unreasonable data, Consultant reviewed and adjusted based on the reference source as follows:
  

• 
  Response from providers;
  
• 
  Data published by the utilities (disclosure reports or Internet);
  
• 
  2014 Reports submitted by DoCs to the MoC within framework of implementation of Decree 05/2012 and 06/2012 as stipulated by the MoC.
  

6.1.4. Development of Performance Database for Wastewater Treatment Services 2014

The data inputs after correction used to develop the indicators and published in the website www.vnwd.vn

6.2. Performance Indicators of Utilities

6.2.1. Performance Indicators

All values of the indicators in the database for wastewater treatment service 2014 are summarized in the Tables, presented in Annex D – Annexes of Chapter 5 of the Main report.

6.2.2. Quartile

The value of quartile (low to high) of the Utilities indicators are summarized in Table 3.3. Values of quartile of Utilities Indicators. Each type of indicator has the following values:

• 
  Minimum value (Min);
  
• 
  First quartile (25th percentile), Q1;
  
• 
  Median value (50^th percentile), Q2;
  
• 
  Third quartile (75^th percentile), Q3 and;
  
• 
  Maximum value: Max.
  

Table 6.1- List of Participating Utilities in Sewerage Database 2014

Province	No.	Name of Utilities	Abbreviations used in the Report	Code	Participated 2014
		A. Northern Midland and Mountainous Region
9. Quang Ninh	1	Ha Long Urban Environment Joint Stock Company	Ha Long URENCO JSC	A09.1.C	Y
15. Bac Giang	2	Urban Drainage Pumping Center - Bac Giang City	Bac Giang UDPC	A15.1.C	Y
		Sub-total A = 02 Utilities (Participating: 02)
		B. Red River Delta Region
1. Ha Noi	3	1) Ha Noi Drainage and Sewerage One Member Limited Company	Ha Noi HSDC	B01.1.C	Y
1. Ha Noi	4	4) Vietnam SFC Company		B01.4.C	-
3. Bac Ninh	5	1) Bac Ninh Drainage and Wastewater Treatment One Member Limited Company	Bac Ninh DWT Co. Ltd	B03.1.C	Y
7. Hai Duong	6	Hai Duong Urban Works Management JSC	Hai Duong UWM JSC	B07.1.C	Y
		Sub-total B = 4 Utilities (Participating: 03; Not participating:01)
		C. Central Coast Region
2. Nghe An	7	Vinh Urban Infrastructure Development and Management		C02.1.C	-
4.  Quang Bình	8	Quang Binh Environmental and Urban Development One Member Limited Company	Quang Binh EUD Co. Ltd	C04.1.C	Y
7. Đa Nang	9	Da Nang Water Drainage and Wastewater Treatment Company	Da Nang SDC	C07.1.C	Y
		Sub-total C = 03 Utilities (Participating: 02; Not participating: 01)
		D. Central Highland Region
3. DakLak	10	1) Dak Lak Urban Management and Environment One Member Limited Company	Dak Lak UMENCO	D03.1.C	Y
5. Lam Dong	11	Lam Dong Water Supply and Sewerage One Member Limited Company  (LAWACO)	LAWACO	D05.1.C	Y
		Sub-total D= 02 Utilities (Participating: 02)
		E. South East Region
1. HCMC	12	1) Ho Chi Minh Urban Drainage Company	HCMC UDC	E01.1.C	Y
	13	2) Phu My Hung Development Limited Company	Phu My Hung Corp	E01.2.C	Y
2. Binh Duong	14	1) Binh Duong Water Supply, Sewerage and Environment One Member Limited Company	BIWASE	E02.1.C	Y
		Sub-total E = 03 Utilities (Participating: 03)
		F. Mekong River Delta Region
7. Soc Trang	15	Soc Trang Urban Works One Member Limited Company	Soc Trang UWC	F07.1.C	Y
		Sub-total F = 01 Utility (Participating: 01)
		Total A+B+C+D+E+F = 15 Utilities (Participating: 13; Not participating: 02)			13

Table 6.2 - List of data correction and additional data inputs

No.	Name of Utilities	Number of cities served with WWTP	Name of cities served with WWTP	Name of service areas of WWTPs	Total population of service areas	Design capacity	Treatment Process	Receiving source	Total volume of treated WW reused	Total volume of treated WW discharged into water resources
	Code	C21	C22	C23	C24	C40	C42		C50	C51B
1	Ha Long URENCO JSC	C	C
2	Bac Giang UDPC				A			C	C	C
3	Ha Noi HSDC	C	C	C
4	Bac Ninh DWT Co.Ltd				A
5	Hai Duong UWM JSC								C
6	Quang Binh EUD Co.Ltd
7	Da Nang SDC
8	Dak Lak UMENCO
9	LAWACO								C	C
10	HCMC UDC				A		A
11	Phu My Hung Corp
12	BIWASE					C				C
13	Soc Trang UWC

Note:

C: Data corrected by the utilities

A: Additional data not yet provided by the utilities

Table 6.3 - Quartile values of Indicators

Code	Indicator	Unit	Quartile values					Number of utilities
			Min	Q1 (Lower)	Q2 (Median)	Q3 (Upper)	Max
C21	Number of cities served with waste water treatment services	#	1	1	1	1	3	13
C25	Total population served by WWTPs	‘000 inhabitants	28	47.207	58.7	143.7	545	13
C1.1	Waste water treatment service coverage	%	9.40	17.93	44.92	77.86	100.00	13
C2.1	Electricity consumption per m3 of water pumped (KWh/m3)	KWh/m3	0.03	0.06	0.13	0.19	0.25	10
C2.2	Staff per volume of treated waste water	staff/km	0.02	0.11	0.25	0.85	3.15	12
C2.3	Ratio of length of cleaned sewers to the total length of sewers	%	0	0.34	39.31	63.09	100.00	12
C2.4	Number of sewer system troubles (blockages, collapses…) in the year per 1 km of sewer	#/km/year	0	0	0.06	0.11	3.42	12
C40	Total design capacity of WWTPs	m3/day	7,400.00	10,000.00	13,181.00	17,650.00	171,000.00	13
C3.1	Land used ratio	Ha/1.000m3/ day	0.09	0.13	0.25	1.01	4.92	13
C3.2	WWTP investment ratio	Million VND/ m3/ day	0.04	4.02	9.86	21.94	112.41	11
C47	Total volume of Waste Water treated in the year	m3/year	1,366,543	1,861,500	2,310,508	3,300,000	56,510,410	13
C48	The outside sludge (septage,…) transported to the WWTPs for treatment	m3/year	734.00	888.50	2,946.50	5,292.50	6,311.00	4
C51A	A- Water resources that used for purpose of domestic water supply	m3/year	0	0	0	0	0	13
C51B	B- Water resources that not used for purpose of domestic water supply	m3/year	1,241,500	1,800,000	2,310,508	3,300,000	56,510,410	13
C3.3	Production utilization of capacity	%	24.43	37.44	48.02	87.77	107.39	13
C3.4	The % of treated waste water samples tested by DoNRE that pass relevant standard	%	0	100.00	100.00	100.00	100.00	10
C3.5	The % of treated waste water samples tested by the Utility that pass relevant standard	%	0	98.96	100.00	100.00	100.00	12
C3.6	Ratio of number of complaints about Waste Water treatment	#/ ‘000 pop. served	0	0	0	0	35.95	13
C3.7	Electricity consumption per m3 of waste water treated	KWh/m3	0.030	0.079	0.203	0.431	0.652	12
C3.8	Ratio of staff number to the waste water treated capacity	staff/ 1.000m3 day	1.15	1.62	4.27	10.57	14.35	13
C3.9	Ratio of staff number per person served	staff/1000 people	0.16	0.27	0.37	0.68	4.07	13
C3.10	Ratio of reuse of treated waste water	%	0	0	0.01	5.14	33.31	5
C3.11	Ratio of reuse of produced bio solids	%	100	100	100	100	100	3
C4.1	Average O & M cost per 1 m3 waste water treated	VND/m3	377	946	2,950	4,031	7,535	13
C.4.2	Power and fuel costs	%	6.41	8.40	20.50	25.64	67.66	13
C.4.3	Labor costs	%	20.07	28.94	42.19	56.86	69.78	13
C4.4	Chemical costs	%	0	2.17	3.47	7.45	24.08	13
C4.5	Other costs	%	2.41	5.58	25.74	43.11	71.62	13
C4.6	Ratio of training cost to revenue	%	0	0	0	0.01	0.86	8
C4.7	Training cost per staff	Mil. VND/staff	0	0	0	0	1.79	13
C4.8	Ratio of approved average sewerage fee to submitted one	ratio	0.0	0.6	1.0	1.0	1.00	11
C4.9	Ratio of approved average sewerage fee to submitted one	VND/m3	899	2,592	3,341	4,115	7,578	8
C4.10	Ratio of actual revenue to the revenue under the “O&M Contract)	%	66.83	93.24	99.72	100.23	100.98	8
C4.11	Operating cost coverage	%	86.91	94.99	100.29	110.77	164.79	8
C4.12	Debt service ratio	%	50.07	50.07	50.07	50.07	50.07	1
C4.13	Gross fixed assets of WWTP per person served	Mil. VND / 1.000 people	3,687.23	4,589.78	5,492.33	6,394.88	7,297.43	2

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