Beitaishan
| Dam Name | Beitaishan |
| River | Yanxi He |
| Near City | Huairou |
| Country | China |
| Year | 1962 |
| Dam Height | 31 |
| Dam Length | 483 |
| Area(Sqkm) | 1.5 |
| Area(Polygonal) | 1.5 |
| Capital Expenditure | 38.3 |
| Depth(M) | 25.5 |
| Avg Displacement Of Water | 74 |
| Catchment Area In Sqkm | 104 |
| Status | 2: Good |
| Longitude | 116.667083 |
| Latitude | 40.39125 |
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