| Rom Beam | |
|---|---|
 River Beam at Dagenham | |
 | |
| Location | |
| Country | England |
| Counties | Greater London |
| London boroughs | Havering, Barking and Dagenham |
| Towns | Romford |
| Physical characteristics | |
| Source | |
| • location | Romford |
| Mouth | |
• location | River Thames, Dagenham |
• coordinates | 51°30′45″N 0°9′33″E / 51.51250°N 0.15917°E |
| Discharge | |
| • location | Bretons Farm |
| • average | 0.34 m3/s (12 cu ft/s) |
| • minimum | 0.03 m3/s (1.1 cu ft/s)22 August 1976 |
| • maximum | 17.8 m3/s (630 cu ft/s)2 October 1993 |
| Basin features | |
| Tributaries | |
| • left | The Ravensbourne |
The River Rom, also known as the River Beam below its confluence with the Ravensbourne[n 1], is a tributary of the River Thames in England that flows through the east London suburbs around Romford before joining the Thames at Dagenham.
Part of the river forms a section of the boundary between the London boroughs of Barking and Dagenham and Havering. The Rom is culverted as it passes through the centre of Romford.
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