- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 51°35'2"N 0°2'52"W
- Eastings/Northings: 535352, 189057
- OS Grid: TQ353890
- Mapcode Local: GBR J4.YD3
- Mapcode Global: VHGQN.4F2Z
Location and coordinates are for the approximate centre of Reservoir Number 4 within this administrative area.
Geographic features and populated places may cross administrative borders.