Origen de la descarga	Giro	Año	Volumen de descarga por segundo (m3/segundo)	Volumen de descarga por día (m3/día)
Giro Industrial	Azúcar	1998	64.83	5,601,013.00
		2000	42.04	3,631,926.00
		2001	45.93	3,968,230.41
		2002	45.90	3,968,230.00
		2003	44.40	3,836,564.84
	Acuacultura	2000	66.00	5,702,290.49
		2001	67.56	5,836,953.33
		2002	67.60	5,836,953.33
		2003	147.40	12,742,580.93
	Química	1998	13.42	1,159,779.00
		2000	6.88	594,187.70
		2001	6.92	597,825.54
		2002	6.90	597,826.00
		2003	6.90	597,826.00
	Petrolera	1998	6.24	539,189.00
		2000	10.65	920,348.92
		2001	11.35	980,901.68
		2002	11.40	980,902.00
		2003	11.40	980,902.00
	Celulosa y Papel	1998	4.54	389,330.00
		2000	5.06	437,214.74
		2001	5.54	478,757.44
		2002	5.50	478,757.00
		2003	5.50	478,757.00
	Textil	1998	2.91	251,534.00
		2000	0.74	63,728.34
		2001	0.74	64,196.17
		2002	0.70	64,196.00
		2003	0.70	64,196.00
	Beneficio de Café	1998	1.54	132,864.00
		2000	0.24	20,818.28
		2001	0.26	22,153.27
		2002	0.30	22,153.00
		2003	0.30	22,153.00
	Cerveza y Malta	1998	1.36	117,806.00
		2000	1.56	134,540.00
		2001	1.62	140,391.28
		2002	1.60	140,391.00
		2003	1.60	140,391.00
	Destilería	2000	0.39	33,637.25
		2001	0.42	36,069.27
		2002	0.40	38,866.00
		2003	0.40	38,866.00
	Alimenticia	1998	1.24	107,038.00
		2000	2.87	248,287.25
		2001	2.97	256,984.07
		2002	3.00	256,984.00
		2003	3.00	256,984.00
	Agropecuaria	1998	0.69	59,707.00
		2000	2.43	209,817.11
		2001	3.24	280,290.42
		2002	3.20	280,290.00
		2003	3.20	280,290.00
	Minera	2000	0.77	66,261.45
		2001	0.76	66,053.17
		2002	0.80	66,053.00
		2003	0.80	66,053.00
	Curtiduría	1998	0.04	3,118.00
		2000	0.05	4,484.16
		2001	0.05	4,567.04
		2002	0.10	4,567.00
		2003	0.10	4,567.00
	Vitivinícola	1998	0.03	2,446.00
		2000	0.03	2,678.85
		2001	0.03	2,796.85
	Servicios	1998	2.75	237,835.00
		2000	9.57	827,244.14
		2001	10.48	905,727.69
		2002	10.30	886,001.00
		2003	19.60	1,694,705.47
	Otros Giros	1998	46.33	4,002,865.00
		2000	20.59	1,779,033.50
		2001	13.55	1,171,142.77
		2002	12.90	1,117,143.00
		2003	12.90	1,117,143.00
	Hierro y acero	1998	4.51	392,282.00
	Industrias que generan menos de 100 m3/día	1998	9.05	781,834.00
	Total	1998	159.48	13,778,640.00
		1999	170.00	-
		2000	169.87	14,676,498.18
		2001	171.45	14,813,040.41
		2002	170.60	14,739,312.33
		2003	171.00	22,321,979.24
		2004	178.00	15,379,200.00
		2005	178.00	15,379,200.00
		2006	183.00	-
		2007	188.70	-
		2008	190.40	-
		2009	190.40	-
Localidad	Mayor de 50 000 habitantes	1999	153.60	13,269,777.00
		2000	156.98	13,563,492.00
		2001	156.60	13,530,240.00
		2002	157.29	13,590,240.00
		2003	157.16	13,578,987.28
	De 20 001 a 50 000 habitantes	1999	16.90	1,459,126.00
		2000	17.16	1,482,779.00
		2001	18.26	1,578,062.00
		2002	18.34	1,584,962.00
		2003	16.47	1,423,391.99
	De 2 501 a 20 000 habitantes	1999	25.50	2,202,606.00
		2000	25.90	2,237,627.00
		2001	27.15	2,345,481.00
		2002	27.31	2,359,481.00
		2003	29.67	2,563,656.99
	Total	1995	169.60	-
		1996	169.60	-
		1997	180.50	-
		1998	187.40	-
		1999	239.00	16,931,509.00
		2000	250.00	17,283,898.00
		2001	252.00	17,453,783.00
		2002	252.00	17,534,683.00
		2003	255.00	17,566,036.26
		2004	255.20	22,049,280.00
		2005	255.00	22,032,000.00
		2006	242.00	-
		2007	243.00	-
		2008	235.80	-
		2009	237.50	-
Total	Total	2000	369.91	31,960,396.18
		2001	373.46	32,266,823.41