River Graveney water levels

Monitoring stations, upstream → downstream

Stations are ordered upstream → downstream where the ordering is known.

Storm overflows near these gauges

The monitored sewage storm overflows closest to the gauges on this page, each with its own page of live status and past discharges.

• CSO At Longley Road Not discharging
• Streatham & Balham Storm Relief B Not discharging
• Streatham & Balham Storm Relief C Not discharging
• Streatham Storm Relief (TWL00634) Not discharging
• Streatham Storm Relief (TWL00395) Not discharging
• Streatham Storm Relief (TWL00729) Not discharging

A status is the water company’s own monitor, shown only when it has reported in the last two hours. It says whether an overflow is discharging — never how much, or why. Sewage in Britain’s rivers →