Hogsmill River Level & Flow Conditions
Real-time Environment Agency (Defra) river level in metres (m), discharge telemetry, water temperature, and activity suitability ratings at Hogsmill River at Ewell, Greater London.
Hogsmill River
Gauging Station: Hogsmill River at Ewell · Catchment: London
River Condition Score
River level is within normal Environment Agency range.
Prime conditions for wild swimming, canoeing, and angling.
Select Activity to Tune Scoring
Scoring algorithm recalibrates suitability according to water depth, stream power, and weather.
24-Hour River Level Trend (m)
Defra sensor readings vs. typical normal bounds
River Access & Safety Info
Environment Agency telemetry & public rights of way
Frequently Asked Questions About Hogsmill River
What is the current river level of Hogsmill River?
Current river level for Hogsmill River is measured in metres (m) at Environment Agency station #3350TH (Hogsmill River at Ewell). Telemetry is logged every 15 minutes by Defra.
Is Hogsmill River safe for wild swimming, canoeing, or paddling today?
River conditions depend on live gauge depth and streamflow velocity. Riverable UK provides a real-time 1–10 River Activity Score tuned for wild swimming, canoeing, kayaking, and angling. Check the live status badge above before entering the water.
What is the typical normal range for Hogsmill River?
The Environment Agency typical normal range at this station is between 0.026m and 1.035m. Levels within this window represent standard, safe conditions.
Can heavy rain in the catchment cause Hogsmill River to rise rapidly?
Yes, catchment precipitation and surface runoff directly cause water levels to surge. Riverable UK monitors 7-day cumulative precipitation and upstream weather models to alert users to rising spate conditions.