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You'll be notified when this gauge is rising more than 0.10 m/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.
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Not an emergency service — if in danger call 999. Alerts rely on
EA/SEPA/NRW data and are best-efforts. Terms
Current Level
0.016 mASD
▬ Steady
24h Max
0.017 mASD
24h Min
0.008 mASD
Typical Range
0.03 - 1.01
mASD
Highest Recorded
1.95 mASD
EA official record
1.87 in our data (since Nov 2012)
Current level is 1% of this
Current Flow
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🚽Sewage overflows nearby
Recent Water Levels
🌍 floodradar.co.uk
1 day
EA forecast (official)
Prediction V2
Prediction Eris
Nimbus beta
Experimental model fusing soil moisture, river flow, groundwater and catchment
character. The shaded band is its 10–90% range, widened so that about 80% of recent outcomes fall inside it.
Under evaluation — not yet promoted, so treat as a second opinion.
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.
IRNHAM GS (E2897) — flow at this site
7 days
A separate gauge 0 m from this one at the same site, shown here for context.
Its readings are its own and are never merged with this page's.
Flow Data: Daily mean flow (m³/s) to 8 Oct (2 days behind — the EA publishes each day's mean a day or two after it ends; unchecked, provisional)via EA Hydrology
None of the storm overflows FloodRadar holds is traced upstream of this gauge on the mapped river network. That is not the same as none: the map leaves out many small streams and culverts, so an overflow it cannot place may still drain here, and not every company publishes every overflow. Those nearby are listed below.
Nearby, connection not known
Within 6 km in a straight line, but the river map cannot say whether their water passes this gauge.
Anglian Water · into Trib East Glen · 4.7 km away in a straight line · its watercourse is not on the river map
1 spill · 5 hours in 2025
Not discharging now · last
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 →
In a typical year this gauge reaches its typical high of 1.01 m
on about 13 days.
This year so far: 14 days.
202614 days, 4 of them high · 4 highso far
202512 days, 7 of them high · 7 high
202424 days, 10 of them high · 10 high
202322 days, 7 of them high · 7 high
202210 days, 1 of them high · 1 high
202113 days, 3 of them high · 3 high
202010 days, 4 of them high · 4 high
201923 days, 10 of them high · 10 high
20182 days
20170 days
Counted from each day's highest reading. Days with missing or implausible readings are left out.
The darker part is days above 1.41 m, the level this gauge tops only a few days a year.
Flood history near this gauge
Official Environment Agency warnings issued since 2007 for the 3 flood
areas linked to this gauge (nearest 6.0 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 Hawthorpe flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 3 areas linked to this gauge, nearest first.
🌊 Mixed responseA balance of quick runoff and slower groundwater baseflow.
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
0.64
mixed response
Avg Annual Rainfall
655 mm/yr
1991–2020 · +1% since 1941–70
Urban Extent
0.6%
largely rural
Highest Daily Mean Flow
8.55 m³/s
15 Aug 1980 · daily mean, not the instantaneous peak
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.
Land Cover (2023)
Woodland 4%Grassland 16%Arable 78%Urban 2%
Arable 87% → 78% since 1990
Flow affected by: groundwater abstraction.
About this gauge
Flat V weir gauge on the East Glen. Low flows only.
More detail
The catchment
N-S trending catchment of subdued relief. Mixed geology: Upper Jurassic Oxford Clay in lower catchment overlying Cornbrash and Oolite Series of Mid Jurassic. Around 30% Boulder Clay cover. Rural, predominantly arable land use.
The station
Flat V weir replaced simple Crump profile weir in Nov 1977.
How it measures flow
Low flows only. Many high flows truncated or missing, which means that mean runoff is unrepresentative.
Flow regime
Missing data in recent years due to stage exceeding upper limit of the rating.
The flow record
Missing data in 1976 and 1977. Missing daily flow for June 2019 event as stage exceeded rating.
Timing, not cause. Gauges can move together simply because the same rain fell on both.
Frequently asked questions
Is the East Glen River at Irnham flooding today?
The current level is 0.02m, which is below the typical range. Flooding is very unlikely at this level.
Is the river level rising or falling at Irnham?
Based on the most recent readings, the level is currently steady. The chart above shows the last 12 hours of measurements by default (up to 7 days), updated roughly every 15 minutes.
What is a normal level for the East Glen River at Irnham?
The typical range at this station is 0.03m to 1.01m, based on Environment Agency historical data. Levels above 1.01m are higher than usually seen and may indicate a flood risk.
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.
Embed this gauge on your website
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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