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⏱ Last reading 10h ago · may be out of date
79.18

Chitterne Down

Groundwater Level 💧 Groundwater
Hampshire Avon catchment • Wiltshire • ID: 43171 • Level
(10h ago) • 5 readings/hr • 188 views

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Last Level
79.175 mAOD
⚠ 10h ago · may be out of date
24h Max
79.255 mAOD
24h Min
79.165 mAOD
Typical Range
0.00 - 98.00
mAOD
Highest Recorded
108.84 mAOD
EA official record
106.98 in our data (since Mar 2017)
🚽 Sewage overflows nearby

Recent Water Levels

🌍 floodradar.co.uk
1 day

Recent Readings

Falling · -2 cm over 5h
10 Oct 07:04 ▲ +1.0 cm 79.175 mAOD
10 Oct 07:00 ▬ steady 79.165 mAOD
10 Oct 06:45 ▼ -1.0 cm 79.165 mAOD
10 Oct 06:30 ▬ steady 79.175 mAOD
10 Oct 06:15 ▬ steady 79.175 mAOD
10 Oct 06:00 ▬ steady 79.175 mAOD
10 Oct 05:45 ▬ steady 79.175 mAOD
10 Oct 05:30 ▬ steady 79.175 mAOD
10 Oct 05:15 ▬ steady 79.175 mAOD
10 Oct 05:00 ▼ -1 cm 79.175 mAOD
10 Oct 04:45 ▬ steady 79.185 mAOD
10 Oct 04:30 ▬ steady 79.185 mAOD
10 Oct 04:15 ▬ steady 79.185 mAOD
10 Oct 04:00 ▬ steady 79.185 mAOD
10 Oct 03:45 ▬ steady 79.185 mAOD
10 Oct 03:30 ▬ steady 79.185 mAOD
10 Oct 03:15 ▬ steady 79.185 mAOD
10 Oct 03:00 ▬ steady 79.185 mAOD
10 Oct 02:45 ▼ -1.0 cm 79.185 mAOD
10 Oct 02:30 79.195 mAOD

Station Details

  • Monitoring Station: Chitterne Down
  • Watercourse: Groundwater Level
  • County: Wiltshire
  • Coordinates: 51°11'23"N 1°58'18"W (51.189817, -1.971754)
  • Open in: Google Maps · Apple Maps (opens your maps app)
  • Date Opened: 28 Nov 2002
  • Status: Active
  • Station Type: Groundwater (borehole)
Technical details: references, datum, range, flow archive
  • Station Reference: 43171
  • RLOI id: 9161 (the EA's check-for-flooding station id)
  • EA Gauge ID: 43171-level-groundwater-i-15_min-mAOD
  • Parameter: Level
  • Unit: mAOD
  • Typical rise rate: 4 cm/hr (p95 sustained over 90 days)
  • Typical data delay: ~18 min (measured reading→publication lag)
  • Tidal: No
  • Lock / structure: No
  • Catchment Area: Hampshire Avon
  • Typical Range: 0.000 – 98.000 mAOD
  • EA Cross-check: 79.18 mAOD (EA at 10 Oct 07:04)

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.

Nearby

Rainfall & Weather

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How often this river runs high

In a typical year this gauge reaches its typical high of 98.00 m on about 75 days. This year so far: 51 days.

2026 51 days, 15 of them high · 15 high so far
2025 73 days
2024 151 days, 5 of them high · 5 high
2023 83 days, 10 of them high · 10 high
2022 0 days
2021 67 days
2020 75 days, 1 of them high · 1 high
2019 0 days patchy data
2018 24 days patchy data
2017 0 days patchy data

Counted from each day's highest reading. Days with missing or implausible readings are left out, so a year marked patchy may have run high more often than shown. The darker part is days above 103.90 m, the level this gauge tops only a few days a year.

Flood history near this gauge

Official Environment Agency warnings issued since 2008 for the 6 flood areas linked to this gauge (nearest 3.5 km away).

49flood warnings 69flood alerts

Most recent flood warning: 3 Apr 2026 — Groundwater flooding for the Till

Year by year
YearWarningsAlerts
2026 19 17
2025 6 4
2024 13 12
2023 3 10
2021 0 1
2020 3 2
2019 0 3
2018 0 1
2016 0 2
2014 2 4
2013 0 2
2012 2 10
2011 0 1
2008 1 0

Warnings apply to a whole flood area, not necessarily this exact spot. Years before 2006 aren't covered by the EA's historic record.

Flood areas linked to this gauge

Flood warnings and alerts are issued for whole areas. These are the 6 areas linked to this gauge, nearest first.

Frequently asked questions

Is the Groundwater Level at Chitterne Down flooding today?

The current level is 79.18m, which is within the typical range of 0.00 to 98.00m. Flooding is unlikely at this level.

Is the river level rising or falling at Chitterne Down?

Based on the most recent readings, the level is currently falling slightly. 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 Groundwater Level at Chitterne Down?

The typical range at this station is 0.00m to 98.00m, based on Environment Agency historical data. Levels above 98.00m 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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