| Project Purposes | |
| Installed Plant Capacity | 75 MW –uprated 105 MW |
| Hydrology | |
| Drainage area at dam site | 690 sq. km approximate |
| Runoff – Ambuklao River at dam site | |
| Average annual runoff | 1,279.0 MCM |
| Peak recorded monthly Inflow (July 1972) | 1,275.5 MCM |
| Peak Recorded Inflow (May 1976) | 3,000 cms |
| Project Features | |
| Reservoir area at Elev. 752 m.a.s.l | 7.5 sq.km |
| Crest Elevation | 758 m.a.s.l |
| Maximum water surface (MWS-flood) | 752 m.a.s.l |
| Full supply Level (FSL)/ Normal High Water Level (NHWL) | 752 m.a.s.l |
| Minimum Supply Level (MSL) | 740 m approx. |
| Storage Capacity (with no sedimentation) | |
| Total at FSL | 327 MCM |
| Original Live storage (MSL to FSL/MOL to NHWL) | 258 MCM |
| Present Storage Capacity (with sedimentation) based on 2012 Bathymetric Survey | |
| Total at FSL @ Elev 752 m.a.s.l. | 121.01 MCM |
| Present MSL (Ogee) @ Elev 740 m.a.s.l. | 66.24 MCM |
| Live storage (MSL to FSL/MOL to NHWL) | 54.77 MCM |
