Existing irrigable extents, cropping Intensity and water duty
(Last five seasonal average  2003-2008)
						MASL
Mahaweli	Scheme	Extent	Cropping Intensities		Water Duty (ha/mcr)
System		Available (ha)	Maha	Yala	Maha	Yala
IH	Nuwarawewa	1,020	1.00	0.78	107	67
	Nachchaduwa	2,970	1.00	0.73	95	47
	Tissawewa	520	0.94	0.66	67	72
	Sub total	4,510	0.99	0.74	93	52
MH	Huruluwewa	4,210	1	0.44	133	69
H	Rajangana	7,000	0.98	0.82	83	63
	Kalawewa - Left Bank	6,650	1.00	0.84	96	84
	Kalawewa -Yoda Ela	4,700	1.00	0.84	110	101
	Kalawewa -  Right Bank	14,050	0.99	0.79	77	72
	Dambulu Oya	2,240	1.00	0.92	112	107
	Kandalama	4,480	1.00	0.82	100	106
	KHFC Scheme	2,250	1.00	0.73	43	23
	Sub Total	41,370	0.99	0.82	84	71
D1	Kantale	8,200	1.00	0.83	154	91
	Kaudulla	5,400	1.00	0.81	136	83
	Minneriya	9,825	0.96	0.86	126	87
	Giritale	3,500	0.98	0.79	109	49
	Sub Total	26,925	0.98	0.83	133	80
G	Elahera	5670	1.00	0.86	64	50
D2	Parakrama Samudraya	10,365	0.98	1.00	82	66
A	System A	7,000
B	Maduru Oya	16,585	9.98	1.00	67	44
C	Ulhitiya	21,020	1.00	0.99	69	50
E	Minipe Left Bank	7,200	1	0.96	52	35
UW	Uda Walawe - Right Bank	11,720	0.99	1.00	67	51
	Uda Walawe - Left Bank	8,000	1.00	1.03	55	45
	Sub Total	19,720	0.99	1.01	62	48
	Grand  Total	165,475
	Source :      Water Use Data Base (1984-2008), Water Management Secretariat - MASL