Parrett, Brue and West Somerset Streams catchment
• Milverton • Somerset • ID: 52107 • Level
(22m ago) • 4 readings/hr • 187 views
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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 m/hr — a sign of rapidly increasing water levels.
Beta. You'll be notified when a flood wave detected at an upstream gauge is forecast to reach this station, with an estimated arrival time. Accuracy improves as we verify more waves.
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
0.089 m
▬ Steady
24h Max
0.091 m
24h Min
0.085 m
Typical Range
0.11 - 0.70
m
Highest Recorded
1.48 m
EA official record
1.33 in our data (since Nov 2012)
Current level is 6% 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
Rising · +0.3 cm over 6h
24 Aug 00:30▲ +0.1 cm0.089 m
24 Aug 00:15▬ steady0.088 m
24 Aug 00:00▬ steady0.088 m
23 Aug 23:45▬ steady0.088 m
23 Aug 23:30▬ steady0.088 m
23 Aug 23:15▬ steady0.088 m
23 Aug 23:00▬ steady0.088 m
23 Aug 22:45▲ +0.1 cm0.088 m
23 Aug 21:30▬ steady0.087 m
23 Aug 21:15▬ steady0.087 m
23 Aug 21:00▬ steady0.087 m
23 Aug 20:45▬ steady0.087 m
23 Aug 20:30▲ +0.1 cm0.087 m
23 Aug 20:15▬ steady0.086 m
23 Aug 20:00▬ steady0.086 m
23 Aug 19:45▬ steady0.086 m
23 Aug 19:30▬ steady0.086 m
23 Aug 19:15▬ steady0.086 m
23 Aug 19:00▬ steady0.086 m
23 Aug 18:450.086 m
Rainfall & Weather
Loading rainfall and weather data...
Flood history near this gauge
Official Environment Agency warnings issued since 2013 for the 4 flood
areas linked to this gauge (nearest 4.1 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 Milverton 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
0.63
mixed response
Avg Annual Rainfall
980 mm/yr
1991–2020 · +1% since 1941–70
Urban Extent
4.4%
partly urbanised
Median Annual Flood
29.33 m³/s
QMED — typical yearly peak flow
Highest Recorded Flow
32.90 m³/s
30 Oct 2000
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 7%Grassland 54%Arable 28%Urban 10%
Grassland 65% → 54% since 1990
Flow affected by: public water supply, groundwater abstraction, effluent returns.
Photos
Gauging-station photographs from the National River Flow Archive (UKCEH).
Trapezoidal critical depth flume upstream of confluence with the River Avon. Ultrasonic gauge installed 2007.
More detail
The catchment
The Midford catchment is made up of two parallel river systems; the Cam Brook and Wellow Brook. Both run almost the length of the catchment before joining at Midford. The area is mainly rural although there are urban areas at Midsomer Norton and Radstock with smaller centres at Paulton and Peasedown St. John. Predominantly impermeable catchment - Lias with Coal Measures. Deep steep sided valleys; responds rapidly to rainfall. No major catchment changes.
The station
The station is located approximately 1km south of Bath and was opened in 1961. Trapezoidal critical depth flume 2.4km upstream of confluence with the River Avon. Ultrasonic gauge installed 11/2007.
How it measures flow
Full range station. The channel bed in the vicinity of the station consists of large stones and alluvium and is lined in parts with trees and vegetation. Algal growth affects sensitivity at low flows. Bypassing may occur on left-hand bank above 3m stage. No backwater action. Single rating is based on the theoretical rating for the structure, and confirmed by a few gaugings up to 2.5m. Banks works been done u/s and d/s.
Flow regime
Runoff influenced by groundwater abstraction/recharge. Surface water abstraction takes place for public water supply. Flows increased by effluent returns.
The flow record
Full period of record peak flow data reviewed and released in September 2020 (WINFAP Files v9).
How this gauging station is built and how long it has measured (NRFA / UKCEH).
Gauge type
Flume
Operating since
1961
Station datum
27.4 mAOD
Flow record
1961–2024 · 63 yrs · 100% complete
Peak-flow record
since 1961
Hydrometric area
53
Measured by
Environment Agency
Nearby Groundwater
Soil Moisture
Possible storm-overflow correlation
🚽 Storm overflows on this river
Frequently asked questions
Is the Hillfarrance Brook at Milverton 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 Milverton?
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 Hillfarrance Brook at Milverton?
The typical range at this station is 0.11m to 0.70m, based on Environment Agency historical data. Levels above 0.70m 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:
12 Jul 2019 View downstream to flume section
12 Jul 2019 Ultrasonic section
12 Jul 2019 View upstream from gauging station
12 Jul 2019 View downstream to flume section
Looking downstream to flume throat and exit channel
