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⤴Unusual rise — FloodRadar+Top 1% rise rate for this gauge.
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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.
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Current Level
0.061 mASD
▬ Steady
24h Max
0.062 mASD
24h Min
0.061 mASD
Typical Range
0.06 - 1.00
mASD
Highest Recorded
3.48 mASD
28 Mar 2022
Since Jan 1970
Current level is 2% of this
🚽Sewage overflows nearby
Recent Water Levels
🌍 floodradar.co.uk
1 day
Prediction V2
Prediction Eris
Nimbus beta
Experimental model fusing soil moisture, river flow, groundwater and catchment
character. Shown with its calibrated 10–90% confidence band. 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.
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▬ steady0.061 mASD
24 Aug 00:15▬ steady0.061 mASD
24 Aug 00:00▬ steady0.061 mASD
23 Aug 23:45▬ steady0.061 mASD
23 Aug 23:30▬ steady0.061 mASD
23 Aug 23:15▬ steady0.061 mASD
23 Aug 23:00▬ steady0.061 mASD
23 Aug 22:45▬ steady0.061 mASD
23 Aug 21:30▬ steady0.061 mASD
23 Aug 21:15▬ steady0.061 mASD
23 Aug 21:00▬ steady0.061 mASD
23 Aug 20:45▬ steady0.061 mASD
23 Aug 20:30▬ steady0.061 mASD
23 Aug 20:15▬ steady0.061 mASD
23 Aug 20:00▬ steady0.061 mASD
23 Aug 19:45▬ steady0.061 mASD
23 Aug 19:30▬ steady0.061 mASD
23 Aug 19:15▬ steady0.061 mASD
23 Aug 19:00▬ steady0.061 mASD
23 Aug 18:450.061 mASD
Rainfall & Weather
Loading rainfall and weather data...
Flood history near this gauge
Official Environment Agency warnings issued since 2011 for the 3 flood
areas linked to this gauge (nearest 3.2 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 Titley Mill 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
🌊 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
0.55
mixed response
Avg Annual Rainfall
1,094 mm/yr
1991–2020 · +1% since 1941–70
Urban Extent
0.5%
largely rural
Median Annual Flood
27.90 m³/s
QMED — typical yearly peak flow
Highest Recorded Flow
39.60 m³/s
27 Dec 1979
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.
Velocity area station with cableway with high flows out of bank but not bypassed draining a natural catchment.
More detail
The catchment
Headwaters of moderate relief, draining durable Silurian slates and shales; otherwise, catchment underlain by ORS marls. Generally low permeability. Predominantly grassland, with sheep grazing on upland plateau and some patches of arable and forest in lower catchment. Station is in a transition zone between upland plateau supporting sheep grazing and the more productive lowlands.
The station
Velocity area station. Low flow control is a stable riffle; otherwise a three-bay road bridge 50m d/s is the control. Approx bankfull width is 13.25m. Bankfull on RHB is 2.5m, LHB is 2.0m. Cableway span is 21m.
How it measures flow
Cableway rated site that gets out of bank, LHB floodplain restricted to storage only, not bypassed. Intake pipes silted up during summer of 1994, treat data with caution. Four ratings applied across period of record, the most recent is valid from June 2019. Gaugings fit well to respective ratings.
Flow regime
Natural catchment to within 10% at Q95.
The flow record
Anomalous step changes (e.g. Sept 1975, Sept 1991, March - May 1992). Summer 1974 (July - Sept) low flows should be treated with caution; minima overestimated due to stilling well problem. Data estimated for July - Sept 1990 and June - July 1995. Intake pipes silted up during summer of 1994, treat data with caution. WY1977/1978 rejected as likely occured during period of missing data. Full period of record peak flow data reviewed and released in September 2022 (WINFAP Files v11).
How this gauging station is built and how long it has measured (NRFA / UKCEH).
Gauge type
Velocity–area
Operating since
1966
Station datum
129.0 mAOD
Flow record
1966–2024 · 58 yrs · 100% complete
Peak-flow record
since 1966
Hydrometric area
55
Measured by
Environment Agency
Nearby Groundwater
Soil Moisture
Possible storm-overflow correlation
🚽 Storm overflows on this river
Frequently asked questions
Is the River Arrow at Titley Mill flooding today?
The current level is 0.06m, which is below the typical range. Flooding is very unlikely at this level.
Is the river level rising or falling at Titley Mill?
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 Arrow at Titley Mill?
The typical range at this station is 0.06m to 1.00m, based on Environment Agency historical data. Levels above 1.00m 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.
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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:
