[Retracted] A Brief Data on Water Demand Assessment for Sustainable Potable Water Supply in Yergalem Tula Kebele, Ethiopia

Table 13

Summary of water demand.

Description	Unit	Present population	% Proportion by mode of service
			Phase I			Phase II
Year	—	2007	2019	2024	2029	2034	2039
Population growth rate	—	—	3%	3%	3%	3%	3%
Per capita demand	l/c/d	25.00	25.00	25.00	25.00	25.00	25.00
Projected/forecasted population	No.	5, 566	7, 936	9, 200	10, 665	12, 364	14, 333
Domestic water demand	m^3/d	—	198.39	229.99	266.63	309.09	358.32
	l/s	—	2.30	2.66	3.09	3.58	4.15
Socioeconomic factor	—	—	0.90	0.90	0.90	0.90	0.90
Climatic factor	—	—	1.00	1.00	1.00	1.00	1.00
Adjusted domestic water demand (AJDD)	m^3/d	—	178.56	206.99	239.96	278.18	322.49
	l/s	—	2.07	2.40	2.78	3.22	3.73
Institutional and commercial water demand; including public utilities, health centres, schools, and religious institutes (15% of AJDD).	m^3/d	—	26.78	31.05	35.99	41.73	48.37
Livestock water demand (% of AJDD)	m^3/d	—	80.29	93.08	107.91	125.10	145.02
Total adjusted demand (TAD) water	m^3/d	—	285.63	331.13	383.87	445.01	515.88
	l/s	—	3.31	3.83	4.44	5.15	5.97
Percent of nonrevenue water (15–25% of TAD)	%	—	15%	15%	15%	15%	15%
Nonrevenue (15% water of TAD)	—	—	42.84	49.67	57.58	66.75	77.38
	—	—	0.50	0.57	0.67	0.77	0.90
Average daily demand (ADD) water	m^3/d	—	328.48	380.80	441.45	511.76	593.27
	l/s	—	3.80	4.41	5.11	5.92	6.87
Maximum daily (1.2ADD) factor		—	1.2	1.2	1.2	1.2	1.2
Maximum daily demand	m^3/d	—	394.17	456.95	529.74	614.11	711.92
(Mdd)	l/s	—	4.56	5.29	6.13	7.11	8.24
Peak hour factor	—	—	2	2	2	2	2
Peak hour demand (2MDD)	m^3/d	—	788.35	913.91	1059.47	1228.22	1423.84
	l/s	—	9.12	10.58	12.26	14.22	16.48
Water production from existing source (BH)	l/s	—	16	16	16	16	16
New plan water source for phases I and II (BH)	l/s	—	-6.88	-5.42	-3.74	-1.78	0.48
Reservoir capacity for phases I and II	m^3	—	109.49	126.93	147.15	170.59	197.76
Adopted reservoir capacity (m^3) 1/3 of ADD	m^3	—	110.00	125.00	150.00	175.00	200.00