(Click on the dam's name to see more information)

NAME	TYPE	PRINCIPAL USE	FINISHED  YEAR	HIGH OF STRUCTURE (FEET)	DRAINAGE AREA  (MI2)	CLASSIFICATION	RESERVOIR CAPACITY (ACRE-FEET)	DAM ELEVATION (FEET-MSL)	RESERVOIR NORMAL ELEVATION (FEET-MSL)
1-ADJUNTAS DAM	GRAVITY	GENERATION	1950	80	14.7	INTERMEDIATE	384	1260	1245
2-AJíES DAM	EMBANKMENT	FLOOD CONTROL	1984	52	0.23	INTERMEDIATE	95	105	84.5
3-ANA MARíA II DAM	EMBANKMENT	IRRIGATION	1939	40	0.38	INTERMEDIATE	373	341	334
4-ANA MARíA V DAM	EMBANKMENT	IRRIGATION	1939	56	0.17	INTERMEDIATE	1927	309.12	303.12
5-CAONILLAS DAM	GRAVITY	GENERATION	1948	235	50.4	MAYOR	46012	854.25	826
6-CARITE DAM	EMBANKMENT	IRRIGATION	1913	104	7.92	MAYOR	11310	1806	1783.6
7-CERRILLOS DAM	EMBANKMENT	FLOOD CONTROL	1991	323	17.5	MAYOR	47900	634.7	573
8-CIDRA DAM	GRAVITY	DOMESTIC	1946	105	8.6	INTERMEDIATE	5300	1335	1322
9-COAMO DAM	BUTTRESSES	IRRIGATION	1914	65	66	INTERMEDIATE	2827	170	160
10-COMERíO I DAM	GRAVITY	GENERATION	1907	47	136	INTERMEDIATE	500	426.78	418.78
11-COMERíO II DAM	BUTTRESSES	GENERATION	1913	128	135	MAYOR	4925	584.66	568.66
12-DAGUEY DAM	EMBANKMENT	FLOOD CONTROL	1978	50	0.88	INTERMEDIATE	334	134.5	105.5
13-DOS BOCAS DAM	GRAVITY	GENERATION	1942	188	170	MAYOR	30420	323	295
14-FAJARDO DAM	EMBANKMENT	DOMESTIC	2006	115	ND	MAYOR	4455	178.76	172.2
15-GARZAS DAM	EMBANKMENT	GENERATION	1943	202	6.25	MAYOR	4700	2422	2415
16-GUAJATACA DAM	EMBANKMENT	IRRIGATION	1928	123	30.8	MAYOR	32600	664	646
17-GUAYABAL DAM	BUTTRESSES	IRRIGATION	1913	120	42.95	MAYOR	15106	345	341
18-GUAYO DAM	GRAVITY	GENERATION	1956	190	9.6	MAYOR	15572	1470	1460
19-GUINEO DAM	EMBANKMENT	GENERATION	1931	125	1.57	MAYOR	1860	2971	2960
20-HICACOS DAM	GRAVITY	GENERATION	1930	36	2.38	MENOR	15	1868	1860
21-LAGO REGULADOR DAM	EMBANKMENT	DOMESTIC	1996	39	ND	MENOR	399	533	529.72
22-LA PLATA DAM	GRAVITY	DOMESTIC	1974	131	181	MAYOR	33000	187	170.56
23-LAS CURíAS DAM	EMBANKMENT	DOMESTIC	1946	75	1.1	INTERMEDIATE	1120	328	316