Storm overflows whose water reaches this gauge on the mapped river network, nearest first by distance along the river. The status is each water company's monitor: it says whether an overflow is discharging, not how much or what it contains.
320 storm overflows are traced upstream of this gauge, the nearest 1.4 km away along the river. 0 report discharging now, 307 report not discharging, and for 13 the monitor is offline or has not reported, so their status is not known.
Wessex Water · into Floating Harbour · 1.7 km away in a straight line · discharges to the sea, an estuary or tidal water
6 spills · 4 hours in 2025
Not discharging now · last
143 more within 6 km whose connection is not known.
These are the water companies' monitor statuses; a spill does not by itself explain a change in the gauge level. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels. Explore the sewage map →
The latest recorded level is -0.73m. Compare it with the recent history on the chart above to judge whether levels are unusually high.
Is the river level rising or falling at BRISTOL NETHAM LOCK?
Based on the most recent readings, the level is currently falling. The chart above shows the last 12 hours of measurements by default (up to 7 days), updated roughly every 15 minutes.
Why is the level slowly falling?
When little or no rain has fallen for a while, a river level gradually drops as the water stored in the ground and soil drains away with nothing to replace it. This is called baseflow recession and is normal in dry spells. A gentle decline like this is expected and is not a sign of a problem — downstream gauges often recede a little faster than headwaters further upstream, and levels recover once rain returns.
How often is this river level data updated?
Readings are supplied by the Environment Agency gauge. FloodRadar checks for updates roughly every 15 minutes; the timestamp above shows how recent the latest available reading is.
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Free live river-level widget — ideal for parish councils, angling clubs and local sites. Updates automatically.
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📮 Flood risk by postcode near this gauge
Postcodes within 5 km with properties in the Environment Agency’s rivers-and-sea flood-risk bands:
FloodRadar
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