- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 56°41'46"N 4°46'10"W
- Eastings/Northings: 230500, 759500
- OS Grid: NN305595
- Mapcode Local: GBR GCL0.PZB
- Mapcode Global: WH2HM.PYXC
Location and coordinates are for the approximate centre of Blackwater Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.