Alton Water
| Dam Name | Alton Water |
| River | Holbrock Stream |
| Near City | Ipswich |
| Administration City | England |
| Country | United Kingdom |
| Year | 1976 |
| Dam Height | 25 |
| Dam Length | 450 |
| Area(Sqkm) | 1.2 |
| Area(Polygonal) | 1.2 |
| Capital Expenditure | 9.1 |
| Depth(M) | 7.6 |
| Avg Displacement Of Water | 187 |
| Catchment Area In Sqkm | 24 |
| Main Usage | Water supply |
| Status | 2: Good |
| Longitude | 1.14625 |
| Latitude | 51.97875 |
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