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0.14

Caversham Lock

Thames ⚙ Structure
Cherwell Thame and Wye catchment • Reading • Reading • ID: 2201TH • Level
(37m ago) • 4 readings/hr • 177 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
0.142 mASD
▬ Steady
24h Max
0.169 mASD
24h Min
0.071 mASD
Typical Range
0.07 - 0.30
mASD
Highest Recorded
1.02 mASD
EA official record
0.98 in our data (since Nov 2012)
Current level is 14% of this
🚽 Sewage overflows nearby

Recent Water Levels

🌍 floodradar.co.uk
1 day

Flood predictions aren't generated for lock / structure gauges — their levels are driven by gate operation, not by catchment rainfall, so the forecast models would have no skill here.

Recent Readings

Falling · -0.5 cm over 5h
10 Sep 10:15 ▲ +1 cm 0.142 mASD
10 Sep 10:00 ▼ -2 cm 0.130 mASD
10 Sep 09:45 ▲ +0.1 cm 0.145 mASD
10 Sep 09:30 ▼ -0.4 cm 0.144 mASD
10 Sep 09:15 ▲ +0.2 cm 0.148 mASD
10 Sep 08:45 ▲ +0.1 cm 0.146 mASD
10 Sep 08:30 ▼ -0.1 cm 0.145 mASD
10 Sep 08:15 ▲ +0.1 cm 0.146 mASD
10 Sep 07:45 ▬ steady 0.145 mASD
10 Sep 07:30 ▼ -0.1 cm 0.145 mASD
10 Sep 07:15 ▬ steady 0.146 mASD
10 Sep 07:00 ▬ steady 0.146 mASD
10 Sep 06:45 ▲ +0.1 cm 0.146 mASD
10 Sep 06:30 ▼ -0.1 cm 0.145 mASD
10 Sep 06:15 ▬ steady 0.146 mASD
10 Sep 06:00 ▬ steady 0.146 mASD
10 Sep 05:45 ▼ -0.1 cm 0.146 mASD
10 Sep 05:30 ▬ steady 0.147 mASD
10 Sep 05:15 ▬ steady 0.147 mASD
10 Sep 05:00 0.147 mASD

Rainfall & Weather

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Flood history near this gauge

Official Environment Agency warnings issued since 2008 for the 12 flood areas linked to this gauge (nearest 0.9 km away).

62flood warnings 198flood alerts

Most recent flood warning: 16 Feb 2026River Thames at Purley Village

Year by year
YearWarningsAlerts
2026 3 18
2025 0 13
2024 13 24
2023 0 19
2022 0 1
2021 3 11
2020 4 19
2019 2 10
2018 1 9
2017 0 4
2016 0 14
2015 0 3
2014 22 6
2013 7 20
2012 6 17
2011 0 2
2010 0 4
2009 1 3
2008 0 1

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 Reading flood history.

Nearby Stations

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Station Details

  • Monitoring Station: Caversham Lock
  • Watercourse: River Thames
  • Nearest Town: Reading
  • County: Reading
  • Coordinates: 51°27'39"N 0°57'49"W (51.460811, -0.963635)
  • Open in: Google Maps · Apple Maps (opens your maps app)
  • Date Opened: 1 Jan 1995
  • Status: Active
  • Station Type: River level station (multi-sensor)
  • Station Reference: 2201TH
  • EA Gauge ID: 2201TH-level-stage-i-15_min-mASD
  • Parameter: Level
  • Unit: mASD
  • Typical rise rate: 13 cm/hr (p95 sustained over 90 days)
  • Typical data delay: ~22 min (measured reading→publication lag)
  • Tidal: No
  • Lock / structure: ⚙ Yes — lock, weir, sluice or pump
  • Catchment Area: Cherwell Thame and Wye
  • Typical Range: 0.068 – 0.300 mASD
  • EA Cross-check: 1.99 mASD (EA at 10 Sep 10:15)

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 River Thames at Caversham Lock flooding today?

The current level is 0.14m, which is within the typical range of 0.07 to 0.30m. Flooding is unlikely at this level.

Is the river level rising or falling at Caversham Lock?

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 Thames at Caversham Lock?

The typical range at this station is 0.07m to 0.30m, based on Environment Agency historical data. Levels above 0.30m 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:

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 →