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0.39

Walcot

Tern
Shropshire Middle Severn catchment • Walcot • Telford and Wrekin • ID: 2012 • Level
(22m ago) • 4 readings/hr • 181 views

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Current Level
0.390 mASD
▬ Steady
24h Max
0.406 mASD
24h Min
0.388 mASD
Typical Range
0.39 - 1.30
mASD
Highest Recorded
2.96 mASD
EA official record
2.96 in our data (since May 1959)
Current level is 13% of this
🚽 Sewage overflows nearby

Recent Water Levels

🌍 floodradar.co.uk
1 day

Recent Readings

Falling · -0.3 cm over 5h
08 Oct 10:30 ▬ steady 0.390 mASD
08 Oct 10:15 ▲ +0.2 cm 0.390 mASD
08 Oct 10:00 ▼ -0.1 cm 0.388 mASD
08 Oct 09:45 ▬ steady 0.389 mASD
08 Oct 09:30 ▬ steady 0.389 mASD
08 Oct 09:00 ▲ +0.1 cm 0.389 mASD
08 Oct 08:45 ▬ steady 0.388 mASD
08 Oct 08:30 ▼ -0.1 cm 0.388 mASD
08 Oct 08:00 ▲ +0.1 cm 0.389 mASD
08 Oct 07:45 ▬ steady 0.388 mASD
08 Oct 07:30 ▼ -0.1 cm 0.388 mASD
08 Oct 07:15 ▼ -0.1 cm 0.389 mASD
08 Oct 07:00 ▬ steady 0.390 mASD
08 Oct 06:45 ▼ -0.1 cm 0.390 mASD
08 Oct 06:30 ▬ steady 0.391 mASD
08 Oct 06:15 ▼ -0.1 cm 0.391 mASD
08 Oct 06:00 ▬ steady 0.392 mASD
08 Oct 05:45 ▼ -0.1 cm 0.392 mASD
08 Oct 05:30 ▬ steady 0.393 mASD
08 Oct 05:15 0.393 mASD

Station Details

  • Monitoring Station: Walcot
  • Watercourse: River Tern
  • Nearest Town: Walcot
  • County: Telford and Wrekin
  • Coordinates: 52°42'24"N 2°36'20"W (52.706629, -2.605580)
  • Open in: Google Maps · Apple Maps (opens your maps app)
  • Date Opened: 12 May 1959
  • Status: Active
  • Station Type: River level station
Technical details: references, datum, range, flow archive
  • Station Reference: 2012
  • RLOI id: 2008 (the EA's check-for-flooding station id)
  • EA Gauge ID: 2012-level-stage-i-15_min-mASD
  • Parameter: Level
  • Unit: mASD
  • Typical rise rate: 1 cm/hr (p95 sustained over 90 days)
  • Typical data delay: ~22 min (measured reading→publication lag)
  • Tidal: No
  • Lock / structure: No
  • Catchment Area: Shropshire Middle Severn
  • Typical Range: 0.386 – 1.300 mASD
  • Drainage Area: 852 km² upstream of this gauge
  • Flow Data: Daily mean flow (m³/s) to 3 May (1254 days behind — the EA publishes each day's mean a day or two after it ends; unchecked, provisional) via EA Hydrology
  • EA Cross-check: 0.39 mASD (EA at 8 Oct 10:15)
  • Flow Archive: National River Flow Archive ↗

Geographic coordinates may reflect the access point for the gauge, and not the precise location in the watercourse that it is taking readings from.

Nearby Stations

Gauges connected to this river, and others nearby. A distance “by river” follows the river on the map; any other is in a straight line.

Connected upstream

Connected downstream

Same river system, separate branch

Nearby

Distances by river: OS Open Rivers. Contains OS data © Crown copyright and database rights 2026.

💧 Storm overflows upstream of this gauge

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.

15 storm overflows are traced upstream of this gauge, the nearest 2.8 km away along the river. 0 report discharging now, 14 report not discharging, and for 1 the monitor is offline or has not reported, so their status is not known.

💧
Severn Trent Water · into River Tern · 2.8 km upstream along the river
18 spills · 164 hours in 2025
Not discharging now · last
💧
Severn Trent Water · into River Tern · 2.8 km upstream along the river
9 spills · 22 hours in 2025
Not discharging now · last
💧
Severn Trent Water · into River Roden · 8.0 km upstream along the river
19 spills · 39 hours in 2025
Not discharging now · last
💧
Severn Trent Water · into Tributary Of River Tern · 9.9 km upstream along the river
0 spills · 0 hours in 2025
Not discharging now · last
💧
Severn Trent Water · into Tributary Of River Tern · 9.9 km upstream along the river
13 spills · 32 hours in 2025
Not discharging now · last
💧
Severn Trent Water · into Trib Of Beanhill Brook · 13.2 km upstream along the river
0 spills · 0 hours in 2025
Not discharging now
Placed on the river by its position alone.
💧
Severn Trent Water · into Trib Of River Tern · 13.8 km upstream along the river
50 spills · 209 hours in 2025
Not discharging now · last
💧
Severn Trent Water · into Hurley Brook · 14.2 km upstream along the river
0 spills · 0 hours in 2025
Not discharging now · last

7 more further upstream, up to 34.2 km away along the river.

Nearby, connection not known

Within 6 km in a straight line, but the river map cannot say whether their water passes this gauge.

💧
Severn Trent Water · into Tributary Of The River Tern · 3.0 km away in a straight line · its watercourse is not on the river map
7 spills · 30 hours in 2025
Not discharging now · last
💧
Severn Trent Water · into Trib Of River Roden · 4.1 km away in a straight line · no mapped watercourse close enough to be sure
4 spills · 27 hours in 2025
Not discharging now · last
💧
Severn Trent Water · into Tributary Of River Roden · 4.6 km away in a straight line · its watercourse is not on the river map
12 spills · 17 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 →

Contains OS data © Crown copyright and database rights 2026.

Rainfall & Weather

Loading rainfall and weather data...

How often this river runs high

In a typical year this gauge reaches its typical high of 1.30 m on about 61 days. This year so far: 55 days.

2026 55 days, 5 of them high · 5 high so far
2025 50 days, 8 of them high · 8 high
2024 139 days, 27 of them high · 27 high
2023 90 days, 12 of them high · 12 high
2022 30 days, 3 of them high · 3 high
2021 48 days, 7 of them high · 7 high
2020 67 days, 13 of them high · 13 high
2019 65 days, 9 of them high · 9 high
2018 37 days
2017 19 days

Counted from each day's highest reading. Days with missing or implausible readings are left out. The darker part is days above 2.23 m, the level this gauge tops only a few days a year.

Flood history near this gauge

Official Environment Agency warnings issued since 2006 for the 3 flood areas linked to this gauge (nearest 8.5 km away).

5flood warnings 187flood alerts

Most recent flood warning: 14 Nov 2025 — Rea Brook in Shrewsbury

Year by year
YearWarningsAlerts
2026 0 18
2025 1 7
2024 1 16
2023 0 11
2022 1 6
2021 1 5
2020 1 5
2019 0 10
2018 0 9
2017 0 7
2016 0 9
2015 0 7
2014 0 11
2013 0 12
2012 0 12
2011 0 3
2010 0 4
2009 0 6
2008 0 9
2007 0 13
2006 0 7

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 Walcot 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.

Catchment Character

🌊 Mixed response A 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
0.62
mixed response
Avg Annual Rainfall
728 mm/yr
1991–2020 · +1% since 1941–70
Urban Extent
2.9%
largely rural
Median Annual Flood
34.88 m³/s
QMED — typical yearly peak flow
Highest Daily Mean Flow
56.30 m³/s
28 Jan 1990 · daily mean, not the instantaneous peak
Flow-Duration Curve
mean 6.8718.414.992.365% (high)% of days exceeded95% (low)
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 6%Grassland 43%Arable 44%Heath/scrub 1%Urban 6%Other 1%

Flow affected by: groundwater abstraction, effluent returns, industrial / agricultural abstraction.

Photos

Gauging-station photographs from the National River Flow Archive (UKCEH).

Photos © NRFA / UKCEH & the measuring authority — shown at web resolution. Full gallery on the NRFA ↗

About this gauge

Flat V weir that replaced earlier more primitive flow gauging sites (1959 - 1978) that suffered from unstable stage discharge relationship with regime highly affected by regional groundwater pumping and industrial inputs.

More detail

The catchment

Geology: mainly Triassic Sandstones with Triassic mudstones and Lower Lias to the northwest overlain by mixed glacial drift deposits. Predominantly agricultural, low relief catchment. Mixed land use.

The station

Initially rated section (1959-76), then gabion control (June 1976-Dec 1978), both very prone to weed growth leading to unstable stage-discharge relationship; now flat V weir, 15m wide with cableway.

How it measures flow

Siltation upstream and downstream of weir structure. Multiple ratings applied across period of record. Data from a acoustic doppler flow gauge located at the site was to derive the drowned flow above 0.658m. Top section was derived from high flow gaugings in 2007. Automatic system for flushing crest tapping chamber is not totally reliable. Cableway for high flows rating. Some concern over scatter in spot gaugings but this not such a problem at high flows. Fit well to recent gaugings.

Flow regime

Regional groundwater pumping for PWS and Severn regulation. Industrial effluent from Wellington and Newport; abstractions for spray irrigation. Net result only moderate.

The flow record

Bypass channel can be drained to enable work on weir, producing low or zero flows (e.g. 10 July 2003). 2011 flows higher than normal due to Shropshire groundwater scheme running in June. Full period of record peak flow data reviewed and released in September 2019 (WINFAP Files v8).

Descriptions from the National River Flow Archive (UKCEH). NRFA station record ↗

Gauge Details

How this gauging station is built and how long it has measured (NRFA / UKCEH).

Gauge type
Flat-V weir
Operating since
1960
Station datum
44.6 mAOD
Flow record
1959–2024 · 65 yrs · 100% complete
Peak-flow record
since 1959
Hydrometric area
54
Measured by
Environment Agency

Frequently asked questions

Is the River Tern at Walcot flooding today?

The current level is 0.39m, which is within the typical range of 0.39 to 1.30m. Flooding is unlikely at this level.

Is the river level rising or falling at Walcot?

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 River Tern at Walcot?

The typical range at this station is 0.39m to 1.30m, based on Environment Agency historical data. Levels above 1.30m 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.

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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:

Check any UK postcode’s flood risk →

🏠 Buying or renting around here? Get the Property Flood-Risk Report for any English postcode — official risk band, recorded floods, warning history, river behaviour and nearby storm overflows. £19 one-off. Learn more →