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Water Level Falling
Down from 74.97 at 00:00, now 74.82
74.82

Stonor Estate

Groundwater Level 💧 Groundwater
Cherwell Thame and Wye catchment • Stonor Estate • Oxfordshire • ID: SU78_45C • Level
(2h ago) • 1 reading/hr • 250 views

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Not an emergency service — if in danger call 999. Alerts rely on EA/SEPA data and are best-efforts. Terms

Current Level
74.816 mAOD
▼ Falling
24h Max
75.137 mAOD
24h Min
74.816 mAOD
Typical Range
63.44 - 89.15
mAOD
Highest Recorded
88.77 mAOD
16 Apr 2024
Since May 2022
🚽 Sewage overflows nearby

Recent Water Levels

🌍 floodradar.co.uk
1 day

Recent Readings

Falling · -12 cm over 42h
10 Sep 07:00 ▼ -7 cm 74.816 mAOD
09 Sep 07:00 ▼ -0.3 cm 74.884 mAOD
09 Sep 06:00 ▼ -0.3 cm 74.887 mAOD
09 Sep 05:00 ▼ -0.3 cm 74.890 mAOD
09 Sep 04:00 ▼ -0.3 cm 74.893 mAOD
09 Sep 03:00 ▼ -0.3 cm 74.896 mAOD
09 Sep 02:00 ▼ -0.3 cm 74.899 mAOD
09 Sep 01:00 ▼ -0.3 cm 74.902 mAOD
09 Sep 00:00 ▼ -0.4 cm 74.905 mAOD
08 Sep 23:00 ▼ -0.3 cm 74.909 mAOD
08 Sep 22:00 ▼ -0.3 cm 74.912 mAOD
08 Sep 21:00 ▼ -0.3 cm 74.915 mAOD
08 Sep 20:00 ▼ -0.2 cm 74.918 mAOD
08 Sep 19:00 ▼ -0.4 cm 74.920 mAOD
08 Sep 18:00 ▼ -0.3 cm 74.924 mAOD
08 Sep 17:00 ▼ -0.2 cm 74.927 mAOD
08 Sep 16:00 ▼ -0.3 cm 74.929 mAOD
08 Sep 15:00 ▼ -0.2 cm 74.932 mAOD
08 Sep 14:00 ▼ -0.3 cm 74.934 mAOD
08 Sep 13:00 74.937 mAOD

Rainfall & Weather

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Flood history near this gauge

Official Environment Agency warnings issued since 2014 for the 2 flood areas linked to this gauge (nearest 3.4 km away).

0flood warnings 6flood alerts

Most recent flood alert: 21 Jan 2025flooding in the Henley and Assendon area

Year by year
YearWarningsAlerts
2025 0 1
2024 0 2
2020 0 1
2014 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 Stonor Estate flood history.

Nearby Stations

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Station Details

  • Station Reference: SU78_45C
  • EA Gauge ID: SU78_45C-level-groundwater-i-1_h-mAOD
  • Parameter: Level
  • Unit: mAOD
  • Typical data delay: ~22 min (measured reading→publication lag)
  • Tidal: No
  • Lock / structure: No
  • Catchment Area: Cherwell Thame and Wye
  • Typical Range: 63.440 – 89.150 mAOD
  • EA Cross-check: 74.82 mAOD (EA at 10 Sep 07:00)

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

Frequently asked questions

Is the Groundwater Level at Stonor Estate flooding today?

The current level is 74.82m, which is within the typical range of 63.44 to 89.15m. Flooding is unlikely at this level.

Is the river level rising or falling at Stonor Estate?

Based on the most recent readings, the level is currently falling. The chart above shows the last 12 hours of measurements by default (up to 7 days), updated roughly every 15 minutes.

Why is the level slowly falling?

When little or no rain has fallen for a while, a river level gradually drops as the water stored in the ground and soil drains away with nothing to replace it. This is called baseflow recession and is normal in dry spells. A gentle decline like this is expected and is not a sign of a problem — downstream gauges often recede a little faster than headwaters further upstream, and levels recover once rain returns.

What is a normal level for the Groundwater Level at Stonor Estate?

The typical range at this station is 63.44m to 89.15m, based on Environment Agency historical data. Levels above 89.15m 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:

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