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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.
Get notified when recent rainfall near this gauge crosses its learnt rise trigger — an early "watch"
signal, typically hours before a rise. Experimental; not an official flood warning.
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Current Level
0.054 m
▬ Steady
24h Max
0.057 m
24h Min
0.054 m
Typical Range
0.06 - 0.50
m
Highest Recorded
1.15 m
EA official record
1.08 in our data (since Oct 1969)
Current level is 5% of this
🚽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.
Flow Data: Daily mean flow (m³/s) to 6 Oct (2 days behind — the EA publishes each day's mean a day or two after it ends; unchecked, provisional)via EA Hydrology
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.
1 storm overflow is traced upstream of this gauge, the nearest 14.3 km away along the river. 0 report discharging now, 1 reports not discharging.
South West Water · into Tributary Of The River Tiddy · 5.9 km away in a straight line · no mapped watercourse close enough to be sure
34 spills · 21 hours in 2025
Not discharging now · last
2 other overflows within 6 km are downstream of this gauge or on another branch of the river network, so they are not listed.
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 0.50 m
on about 17 days.
This year so far: 16 days.
202616 days, 9 of them high · 9 highso far
202527 days, 11 of them high · 11 high
202424 days, 7 of them high · 7 high
202325 days, 11 of them high · 11 high
202213 days, 4 of them high · 4 high
202112 days, 2 of them high · 2 high
202016 days, 9 of them high · 9 high
20198 days, 2 of them high · 2 high
201821 days, 2 of them high · 2 high
20174 days
Counted from each day's highest reading. Days with missing or implausible readings are left out.
The darker part is days above 0.59 m, the level this gauge tops only a few days a year.
Flood history near this gauge
Official Environment Agency warnings issued since 2011 for the 2 flood
areas linked to this gauge (nearest 4.6 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 Tideford flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 2 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
0.59
mixed response
Avg Annual Rainfall
1,335 mm/yr
1991–2020 · -1% since 1941–70
Urban Extent
1.1%
largely rural
Median Annual Flood
6.93 m³/s
QMED — typical yearly peak flow
Highest Daily Mean Flow
12.80 m³/s
22 Dec 2012 · 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 9%Grassland 59%Arable 28%Urban 4%
Grassland 68% → 59% since 1990
Photos
Gauging-station photographs from the National River Flow Archive (UKCEH).
Elongated, linear, natural catchment. Headwaters rise from southernmost outcrop of Bodmin granite. Great bulk of the catchment on Devonian shales and slates interspersed with tuffs and lavas. Moderate relief. Land use is agricultural, dairy and mixed farming rough grazing. Some forestry. No major changes to catchment.
The station
Station opened in 1969 with a Crump profile weir, 5.5 m wide and wing walls 2.3m high with subsidiary floodbanks.
How it measures flow
Weir fully modular when flow within flood banks. High flows gauged at road bridge. No bypassing. Rated by gaugings below 0.1m stage, theoretical rating above this. Few gaugings at low flows. Good site and record. All flows contained to date but analysis of tailwater levels post November 2012 flood (biggest on record) showed weir non-modular during event. High flows gauged off road bridge in the past and with ADCP on ropes now. Ratings based on theoretical Crump weir equation. Adjustment for drowning has been applied to the top end based on the findings of the December 2012 event. Extrapolation beyond max gauging at 6.5 m3/s reasonable as flows contained and drowning considered. Two peak flow ratings across period of record.
Flow regime
Natural to within 10% at Q95.
The flow record
Full period of record peak flow data reviewed and released in October 2018 (WINFAP Files v7) and in August 2025 (WINFAP Files v14).
Timing, not cause. Gauges can move together simply because the same rain fell on both.
Frequently asked questions
Is the River Tiddy at Tideford flooding today?
The current level is 0.05m, which is below the typical range. Flooding is very unlikely at this level.
Is the river level rising or falling at Tideford?
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 Tiddy at Tideford?
The typical range at this station is 0.06m to 0.50m, based on Environment Agency historical data. Levels above 0.50m 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:
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