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DRAINAGE AND RIVER LENGTH

There are 44 rivers flowing within Kerala State with a minimum length of 15 Km. Out of the 44 rivers, 41 originate from the Western Ghats and flow towards the west and join the Lakshadweep Sea. while 3 of them originate from the Western Ghats within Kerala State and join the Bay of Bengal. The details regarding lengths and basin areas of these rivers are given below:

RIVERS AND RIVER BASINS OF KERALA

Sf. No.	Name of River	Length. km	Catchment Area. km2
			Kerala	Karnataka	Tamilnadu	Total
(I)	(2)	(3)	(4)	(5)	(6)	(7)
1.	Manjeswar	16	90			90
2.	Uppala	50	76	174	-	250
3.	Shiriya	67	290	297	-	587
4.	Mogral	34	132	-		132
5.	Chandragiri	105	570	836	-	1406
6.	Chittari	25	145	-		145
7.	Nileswar	46	190			190
8.	Kariangode	64	429	132		561
9.	KavvaYI	31	143	-		143
10.	Peruvamba	51	300	-		300
11.	Ramapuram	19	52			52
12.	Kuppam	82	469	70		539
13.	Valapattanam	110	1321	546	-	1867
14.	Anjarakandy	48	412			412
15.	Tellicherry	28	132			132
16.	Mahe	54	394			394
17.	Kuttiyadi	74	583			583
18.	Korapuzha	40	624			624
19.	Kallai	22	96			96
20.	Chaliyar	169	2535		388	2923
21.	Kadalundi	130	1122			1122
22.	Tirur	48	117			117
23.	Bharath,apuzha	209	4400		1786	6186
24.	Keecheri	51	401			401
25.	Puzhakkal	29	234			234
26.	Karuvannur	48	1054			1054
27.	Chalakudy	130	1404		300	1704
28.	Periy;;;'	244	5284		114	5398
29.	Muvattupuzha	121	1554			1554
30.	Meenachil	78	1272			1272
31.	Manimala	90	847			847
32.	Pamba	176	2235			2235
33.	Achencoil	128	1484			1484
34.	Pallikkal	42	220			220
35.	Kallada	121	1699			1699
36.	Ithikkara	56	642			642
37."	Ayroor	17	66			66
38.	Vamanapuram	88	687			687
39.	Mamom	27	114			114
40.	Karamana	68	702			702
41.	Neyyar	56	497			497
42.	Kabbini	*	1920
43.	Bhavani	*	562
44.	Pambar	*	384

* Except for these three east.flowing rivers, other 41 are west-flowing ones.

Source: Water Resources of Kerala, PWD, Trivandrum, 1974.

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