- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°10'14"N 1°16'12"W
- Eastings/Northings: 450012, 252747
- OS Grid: SP500527
- Mapcode Local: GBR 7RK.X9M
- Mapcode Global: VHCVP.XPWT
Location and coordinates are for the approximate centre of Byfield Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.