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78.11

St Mary Bourne

Bourne Rivulet
Test and Itchen catchment • St Mary Bourne • Hampshire • ID: E13880 • Level
(20m ago) • 4 readings/hr • 171 views

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Current Level
78.108 mAOD
▬ Steady
24h Max
78.109 mAOD
24h Min
78.105 mAOD
Typical Range
76.80 - 78.60
mAOD
Highest Recorded
78.89 mAOD
EA official record
78.89 in our data (since Mar 2004)
🚽 Sewage overflows nearby

Recent Water Levels

🌍 floodradar.co.uk
1 day

Recent Readings

Steady over 5h
08 Oct 16:46 ▬ steady 78.108 mAOD
08 Oct 16:31 ▬ steady 78.108 mAOD
08 Oct 16:16 ▬ steady 78.109 mAOD
08 Oct 16:01 ▬ steady 78.108 mAOD
08 Oct 15:46 ▬ steady 78.108 mAOD
08 Oct 15:31 ▬ steady 78.108 mAOD
08 Oct 15:16 ▲ +0.1 cm 78.108 mAOD
08 Oct 15:01 ▬ steady 78.107 mAOD
08 Oct 14:46 ▬ steady 78.107 mAOD
08 Oct 14:31 ▼ -0.1 cm 78.107 mAOD
08 Oct 14:01 ▬ steady 78.108 mAOD
08 Oct 13:46 ▬ steady 78.108 mAOD
08 Oct 13:31 ▬ steady 78.108 mAOD
08 Oct 13:16 ▬ steady 78.108 mAOD
08 Oct 13:01 ▬ steady 78.108 mAOD
08 Oct 12:46 ▲ +0.1 cm 78.108 mAOD
08 Oct 12:31 ▬ steady 78.107 mAOD
08 Oct 12:16 ▼ -0.1 cm 78.107 mAOD
08 Oct 12:01 ▲ +0.1 cm 78.108 mAOD
08 Oct 11:31 78.107 mAOD

Station Details

  • Monitoring Station: St Mary Bourne
  • Watercourse: Bourne Rivulet
  • Nearest Town: St Mary Bourne
  • County: Hampshire
  • Coordinates: 51°15'6"N 1°23'49"W (51.251714, -1.396843)
  • Open in: Google Maps · Apple Maps (opens your maps app)
  • Date Opened: 20 Feb 2004
  • Status: Active
  • Station Type: River level station
Technical details: references, datum, range, flow archive
  • Station Reference: E13880
  • RLOI id: 9231 (the EA's check-for-flooding station id)
  • EA Gauge ID: E13880-level-stage-i-15_min-mAOD
  • Parameter: Level
  • Unit: mAOD
  • Typical rise rate: 1 cm/hr (p95 sustained over 90 days)
  • Typical data delay: ~20 min (measured reading→publication lag)
  • Tidal: No
  • Lock / structure: No
  • Catchment Area: Test and Itchen
  • Typical Range: 76.800 – 78.600 mAOD
  • EA Cross-check: 78.11 mAOD (EA at 8 Oct 16:16)

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 downstream

Same river system, separate branch

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

💧 Storm overflows upstream of this gauge

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.

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 78.60 m on about 8 days. This year so far: 0 days.

2026 0 days so far
2025 0 days
2024 54 days
2023 0 days
2022 0 days
2021 0 days
2020 16 days
2019 0 days
2018 0 days
2017 0 days

Counted from each day's highest reading. Days with missing or implausible readings are left out.

Flood history near this gauge

Official Environment Agency warnings issued since 2012 for the 5 flood areas linked to this gauge (nearest 1.4 km away).

15flood warnings 78flood alerts

Most recent flood warning: 14 Jul 2015 — Overton, Laverstoke and Whitchurch on the River Test

Year by year
YearWarningsAlerts
2026 0 5
2025 0 2
2024 0 35
2023 0 4
2020 0 17
2015 1 0
2014 14 11
2013 0 2
2012 0 2

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 St Mary Bourne flood history.

Flood areas linked to this gauge

Flood warnings and alerts are issued for whole areas. These are the 5 areas linked to this gauge, nearest first.

Frequently asked questions

Is the Bourne Rivulet at St Mary Bourne flooding today?

The current level is 78.11m, which is within the typical range of 76.80 to 78.60m. Flooding is unlikely at this level.

Is the river level rising or falling at St Mary Bourne?

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 Bourne Rivulet at St Mary Bourne?

The typical range at this station is 76.80m to 78.60m, based on Environment Agency historical data. Levels above 78.60m 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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