Get notified about Lilbourne — tick as many as you like, they all share the notify settings below.
Alert me when (tick one or more)
Height for "Above a height"
Drag the line on the chart, or type a value:mASD
Quick pick:
You'll be notified when this gauge is rising more than 0.10 mASD/hr — a sign of rapidly increasing water levels.
You'll be notified when a new storm-overflow (sewage) discharge starts within ~3 km of this gauge, based on the water companies' near-real-time feeds.
Notify by (tick one or more)
Your browser will ask permission, then you'll get a notification even when FloodRadar isn't open.
On iPhone: tap Share → Add to Home Screen first, then open it from there and set the alert.
Each one is saved as its own alert — pause or remove them individually any time.
Not an emergency service — if in danger call 999. Alerts rely on
EA/SEPA data and are best-efforts. Terms
Current Level
0.092 mASD
▬ Steady
24h Max
0.093 mASD
24h Min
0.091 mASD
Typical Range
0.10 - 0.66
mASD
Highest Recorded
2.26 mASD
15 Aug 1980
Since Apr 1972
Current level is 4% of this
🚽Sewage overflows nearby
Recent Water Levels
🌍 floodradar.co.uk
1 day
Flood predictions aren't generated for
lock / structure gauges —
their levels are driven by gate operation,
not by catchment rainfall, so the forecast models would have no skill here.
River Flow
90 days
Daily mean discharge (m³/s) with the daily min–max band, from the EA Hydrology API. Flow is the volume of water passing the gauge — often a more direct flood signal than level.
Downstream level
7 days
The level on the DOWNSTREAM side of this lock/weir structure — a separate EA
measure from the main (upstream) reading shown on the Current tab. Threshold bands
are computed from this gauge's own downstream history.
Long Term
🌍 floodradar.co.uk
—
Consecutive rainy days0 → 10+
Days Above Normal
This year vs 5-year monthly range
Recent Readings
Steady over 6h
24 Aug 00:30▬ steady0.092 mASD
24 Aug 00:15▬ steady0.092 mASD
24 Aug 00:00▬ steady0.092 mASD
23 Aug 23:45▲ +0.1 cm0.092 mASD
23 Aug 23:30▼ -0.1 cm0.091 mASD
23 Aug 23:15▬ steady0.092 mASD
23 Aug 23:00▲ +0.1 cm0.092 mASD
23 Aug 22:45▼ -0.1 cm0.091 mASD
23 Aug 21:30▬ steady0.092 mASD
23 Aug 21:15▲ +0.1 cm0.092 mASD
23 Aug 21:00▬ steady0.091 mASD
23 Aug 20:45▼ -0.1 cm0.091 mASD
23 Aug 20:30▬ steady0.092 mASD
23 Aug 20:15▬ steady0.092 mASD
23 Aug 20:00▲ +0.1 cm0.092 mASD
23 Aug 19:45▬ steady0.091 mASD
23 Aug 19:30▼ -0.1 cm0.091 mASD
23 Aug 19:15▲ +0.1 cm0.092 mASD
23 Aug 19:00▬ steady0.091 mASD
23 Aug 18:450.091 mASD
Rainfall & Weather
Loading rainfall and weather data...
Flood history near this gauge
Official Environment Agency warnings issued since 2008 for the 6 flood
areas linked to this gauge (nearest 1.0 km away).
Warnings apply to a whole flood area, not necessarily this exact spot. Years before 2006 aren't covered by the EA's historic record.
See also the Lilbourne flood history.
Geographic coordinates may reflect the access point for the gauge, and not the precise location in the watercourse that it is taking readings from.
Catchment Character
🌊 Fairly flashyResponds fairly quickly to rain, with moderate baseflow between events.
Your catchment is all the land that drains rainfall into the river above this gauge. Its character — how
steep, wet, wooded, urban or chalky that land is — decides how fast rain here turns into a rising river. A steep, bare or clay
catchment is “flashy” (rises and falls quickly, floods easily); a flat, chalk or well-wooded one is
slow and steady. The tiles below put numbers to that; the flow-duration curve reads left-to-right
from the river’s typical high flows (Q5) down to its low flows (Q95) — a steep curve means a flashy river.
The physical character of the land that drains to this gauge, and how it shapes its flood response — from the National River Flow Archive (UKCEH).
Baseflow Index
0.35
mixed response
Avg Annual Rainfall
706 mm/yr
1991–2020 · +2% since 1941–70
Urban Extent
0.6%
largely rural
Median Annual Flood
13.59 m³/s
QMED — typical yearly peak flow
Highest Recorded Flow
18.92 m³/s
2 Jan 2024
Flow-Duration Curve
Daily flow (m³/s) exceeded each % of the time — a steep curve is flashy, a flat one is steady. Q5 high · Q50 median · Q95 low.
Open channel site with cableway until 17/12/98, when flat V weir constructed.
More detail
The catchment
Agricultural catchment on Lower Lias, with fairly low relief despite being near the headwaters.
The station
Open channel site suffered heavily from weed growth which led to the installation of the flat-v weir. Cableway no longer in use - flow gaugings carried out by waded, remote control or roped ADCP in the same section as the cableway.
How it measures flow
Crest tapping and downstream tail recorder installed (from October and November 1999 respectively). Weir is situated under a bridge which helps reduce weed growth in the measuring channel and on the weir crest. Due to the known problems with weed at the site, paired with the low modular limit of the weir, a crest tapping tile was added on the weir crest. An automated pump was installed for flushing the crest tapping on a regular basis, however is now switched off due to technical issues. Two ratings applied accross the period of record following installation of the flat-v weir in 1998.
Flow regime
Influences are PWS and canal abstractions at low flows and peak flattening effect of Stanford Reservoir at high flows.
The flow record
Full period of record peak flow data reviewed and released in September 2023 (WINFAP Files v12).
How this gauging station is built and how long it has measured (NRFA / UKCEH).
Gauge type
Flat-V weir
Operating since
1979
Station datum
92.9 mAOD
Flow record
2005–2024 · 19 yrs · 100% complete
Peak-flow record
since 1951
Hydrometric area
54
Measured by
Environment Agency
Nearby Groundwater
Soil Moisture
🚽 Storm overflows on this river
Frequently asked questions
Is the River Avon at Lilbourne flooding today?
The current level is 0.09m, which is below the typical range. Flooding is very unlikely at this level.
Is the river level rising or falling at Lilbourne?
Based on the most recent readings, the level is currently steady. The chart above shows the last 7 days of measurements, updated roughly every 15 minutes.
What is a normal level for the River Avon at Lilbourne?
The typical range at this station is 0.10m to 0.66m, based on Environment Agency historical data. Levels above 0.66m are higher than usually seen and may indicate a flood risk.
How often is this river level data updated?
Readings are taken by the Environment Agency gauge roughly every 15 minutes and FloodRadar refreshes its data continuously, so the level shown is normally less than an hour old.
Embed this gauge on your website
Free live river-level widget — ideal for parish councils, angling clubs and local sites. Updates automatically.
Preview
📮 Flood risk by postcode near this gauge
Postcodes within 5 km with properties in the Environment Agency’s rivers-and-sea flood-risk bands:
