Eyvashan Dam Detail:
| Project | EYVASHAN Dam |
| Location | x:297250 y:3706000 |
| Purpose | Irrigation Water |
| Status | Operational |
| Start Date | 2003 |
| Owner | LORESTAN Reginal water Company |
| Type of Dam | Eartfill Dam with Clay Core (GC Type) |
| Impounds | Horoud River |
| Dam Height (m) | 64 |
| Crest Length (m) | 676 |
| Eluveation at Crest (m.a.s.l) | 1868 |
| Spillway Type | Free Owgee |
| Reservoir Capacity (MCM) | 51 |
| Catchment Area (KM²) | 120 |
| Surface Area (Ha) | 230 |
| Maximum Water Depth (m) | 60 |
| Normal Elevation (m.a.s.l) | 1864 |
Eyvashan Irrigation Detail:
| Project | Eyvashan Irrigation Netwok |
| Client | Lorestan Province Regional Water Company |
| Location | Zagheh- Plain |
| Network Type | Main and Sub Networks |
| Network Area | 4500 Ha |
| Type of Irrigation | Sprinkler , Trickle |
| Water Supply Resource | Eyvashan Dam |
| Pressure Supply Source | Gravitational |
| Status | Desined |