- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°56'6"N 4°32'20"W
- Eastings/Northings: 229462, 340549
- OS Grid: SH294405
- Mapcode Local: GBR 55.M1W0
- Mapcode Global: WH448.7HT5
Location and coordinates are for the approximate centre of Pwll Wiliam within this administrative area.
Geographic features and populated places may cross administrative borders.