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⤴Unusual rise — FloodRadar+Top 1% rise rate for this gauge.
Height for "Above a height"
Drag the line on the chart, or type a value:mASD
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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.
Beta. You'll be notified when a flood wave detected at an upstream gauge is forecast to reach this station, with an estimated arrival time. Accuracy improves as we verify more waves.
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.
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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
0.272 mASD
▬ Steady
24h Max
0.288 mASD
24h Min
0.272 mASD
Typical Range
0.22 - 1.38
mASD
Highest Recorded
3.23 mASD
EA official record
3.23 in our data (since Apr 2011)
Current level is 8% of this
🚽Sewage overflows nearby
Recent Water Levels
🌍 floodradar.co.uk
1 day
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.
Long Term
🌍 floodradar.co.uk
—
Consecutive rainy days0 → 10+
Days Above Normal
This year vs 5-year monthly range
Recent Readings
Falling · -0.4 cm over 5h
10 Sep 07:30▬ steady0.272 mASD
10 Sep 07:15▬ steady0.272 mASD
10 Sep 07:00▬ steady0.272 mASD
10 Sep 06:45▬ steady0.272 mASD
10 Sep 06:30▬ steady0.272 mASD
10 Sep 06:15▼ -0.1 cm0.272 mASD
10 Sep 06:00▬ steady0.273 mASD
10 Sep 05:45▼ -0.1 cm0.273 mASD
10 Sep 05:30▬ steady0.274 mASD
10 Sep 05:15▬ steady0.274 mASD
10 Sep 05:00▬ steady0.274 mASD
10 Sep 04:45▬ steady0.274 mASD
10 Sep 04:30▬ steady0.274 mASD
10 Sep 04:15▼ -0.1 cm0.274 mASD
10 Sep 04:00▬ steady0.275 mASD
10 Sep 03:45▼ -0.1 cm0.275 mASD
10 Sep 03:30▬ steady0.276 mASD
10 Sep 03:15▬ steady0.276 mASD
10 Sep 03:00▬ steady0.276 mASD
10 Sep 02:450.276 mASD
Rainfall & Weather
Loading rainfall and weather data...
Flood history near this gauge
Official Environment Agency warnings issued since 2008 for the 12 flood
areas linked to this gauge (nearest 0.8 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 Dorchester flood history.
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 Groundwater
Soil Moisture
Possible storm-overflow correlation
💧 Storm overflows on this river
Frequently asked questions
Is the River Thame at Dorchester flooding today?
The current level is 0.27m, which is within the typical range of 0.22 to 1.38m. Flooding is unlikely at this level.
Is the river level rising or falling at Dorchester?
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 Thame at Dorchester?
The typical range at this station is 0.22m to 1.38m, based on Environment Agency historical data. Levels above 1.38m 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:
FloodRadar
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