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Live levels from 3 monitoring stations across Central Bedfordshire, City of Milton Keynes, updated every 15 minutes.
| Station | Level now | Status | ||
|---|---|---|---|---|
| Leighton Buzzard | 0.00 m 31d ago | old reading | ||
| 13.8 km by river | ||||
| Bletchley | 0.23 mASD 41m ago | Normal | ||
| 10.8 km by river | ||||
| Willen | 0.27 mASD 41m ago | Normal | ||
Also on the Ouzel by the river map, but filed under another river name: WATERHALL BLETCHLEY FGS.
Stations are listed from source to mouth as the water flows, traced on the river map (OS Open Rivers) and the Environment Agency’s own links between its gauges. A distance “by river” is along the river, and is shown only where the map traces the path.
Contains OS data © Crown copyright and database rights 2026.
Streams and rivers with a gauge whose water joins the Ouzel above one of its gauges, from the source down. Named streams without a gauge that have a page here are listed at the end.
Joins the Ouzel above WATERHALL BLETCHLEY FGS, no more than 16.3 km by river above WATERHALL BLETCHLEY FGS.
| Clipstone Brookplace estimated | 0.05 mASD 41m ago | Normal |
| CLIPSTONE BROOK GS LEIGHTON BUZZARD WITS DO NOT POLL MANUALLYplace estimated | 0.01 m3/s 56m ago | — |
| CLIPSTONE BROOK GS LEIGHTON BUZZARD WITS DO NOT POLL MANUALLYplace estimated | 0.01 m3/s 41m ago | — |
Its water passes WATERHALL BLETCHLEY FGS.
Below Willen, its water next reaches Olney, a gauge on River Great Ouse, 18.2 km by river downstream.
Tributaries and where they join are traced on the river map (OS Open Rivers, edition 2026-04) and the Environment Agency’s links between its gauges. The map holds distances between gauges, not the junctions themselves, so a junction is placed between two gauges, and no further up than the tributary’s own lowest gauge. Contains OS data © Crown copyright and database rights 2026.
9 storm overflows are traced upstream of Willen, the Ouzel’s lowest gauge on the river map: on the Ouzel itself, on its gauged tributaries, and on smaller streams that join above there.
Official figures for 2025, for the overflows traced upstream of Willen: 160 spills over 1,554 hours in total, across all 9.
Each overflow is listed in the stretch above the first gauge its water reaches, from the source down, as on the Gauges tab. A stretch of the Ouzel includes the smaller streams that join it there.
1 other overflow within 3 km of these gauges is placed below the Ouzel’s lowest gauge or on another river, so not listed.
A status is the water company’s own monitor: it says whether an overflow is discharging, never how much or why, and a spill does not by itself explain a change in a river level. A status older than two hours is shown as unknown. Annual figures are the official returns: 12/24-hour spills for England and Wales, overflow events for Scotland (Scottish Water counts differently, so the two cannot be compared). “No data” means the monitor produced no usable data that year, not zero. Overflows are placed on OS Open Rivers (edition 2026-04), which leaves out many small channels: an overflow the map cannot place may still drain here. Contains OS data © Crown copyright and database rights 2026. Sewage in Britain’s rivers →
Live status: © Anglian Water storm overflow activity data, licensed under CC BY 4.0. Annual figures for England: Environment Agency Event Duration Monitoring return, © Environment Agency copyright and/or database right, Open Government Licence v3.0.
Dated samples taken by the Environment Agency, not live readings. Results are published days to months after the sample is taken, and many points are sampled only a few times a year, or have not been sampled for years.
17 sampling points on the River Ouzel and the streams that join it above Willen, and below it. 8 have a sample from the last 12 months; 9 have any sample banked. Listed from the source down, grouped by the next gauge each one's water reaches.
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| Upstream of Woburn Road Bridge | Clipstone Brook | 4.3 km | 1 Dec 2025 · 10 months ago | Oxygen 98.5%Temp 9 °CpH 8.33Ammonia 0.058 mg/l |
| Tributary of Clipstone Brook Road Bridge Manor Farm | unnamed stream | 1.0 km | 18 Sep 2026 · 20 days ago | Oxygen 66.1%Temp 14 °CpH 7.7Ammonia 0.041 mg/l |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| Ouzel Brook downstream of Bluewater | Ouzel Brook | 12 km | Last sampled 4 Aug 2003, before the imported period | |
| Ouzel Brook tributary of Ouzel Stanbridgeford | Ouzel Brook | 8.6 km | 3 Aug 2026 · 2 months ago | Oxygen 115.1%Temp 20.3 °CpH 8.35Ammonia below 0.03 mg/l |
| Tributary of Ouzel Brook Road Bridge SW of Eaton Bray | River Ouzel | 8.1 km | 17 Sep 2026 · 21 days ago | Oxygen 88.6%Temp 14.5 °CpH 8.15Ammonia below 0.03 mg/l |
| Whistle Brook tributary of Ouzel Northall Road RB | Whistle Brook | 5.9 km | 14 Sep 2026 · 24 days ago | Oxygen 76.1%Temp 19 °CpH 7.68Ammonia below 0.03 mg/l |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| Clipstone Brook A4012 Road Bridge Leighton Buzzar | Clipstone Brook | 15 km | 18 Sep 2026 · 20 days ago | Oxygen 56.5%Temp 14 °CpH 7.75Ammonia 0.091 mg/l |
| River Ouzel Town Bridge Leighton | River Ouzel | 13 km | 17 Sep 2026 · 21 days ago | Oxygen 78.2%Temp 15.6 °CpH 7.82Ammonia 0.098 mg/l |
| River Ouzel Grange Mill | River Ouzel | 8.9 km | Last sampled 18 Mar 2020, before the imported period | |
| River Ouzel Orchard Mill | River Ouzel | 1.7 km | 1 May 2026 · 5 months ago | Oxygen 87.6%Temp 13.4 °CpH 7.96Ammonia below 0.03 mg/l |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| Newton Longville Brook downstream of Newton Longville WDS | unnamed stream | 12 km | Last sampled 13 Oct 2015, before the imported period | |
| Brook downstream of Outlet 2A Newton Longville Landfill Site | unnamed stream | 12 km | Last sampled 17 Mar 2008, before the imported period | |
| Newton Longville Brook Frensham Drive | unnamed stream | 11 km | Last sampled 8 Nov 2017, before the imported period | |
| River Ouzel A5 Road Bridge Bletchley (Old) | River Ouzel | 8.6 km | Last sampled 29 Jul 2014, before the imported period | |
| River Ouzel A5 Road Bridge Bletchley (New) | River Ouzel | 7.6 km | Last sampled 18 Dec 2006, before the imported period | |
| River Ouzel A10 Bletcham Way Bridge | River Ouzel | 7.0 km | Last sampled 28 Jun 2010, before the imported period |
| Sampling point | Watercourse (map) | Below the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| River Ouzel Lovat Bank | River Ouzel | 5.0 km | 6 Aug 2025 · 14 months ago |
Distances are along the river to the gauge named. England's samples only.
FloodRadar does not grade these results: there is no overall score, and official river classifications are a separate dataset. A sample taken downstream of an overflow does not by itself show where anything in it came from. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels.
Water samples: Environment Agency Water Quality Archive, © Environment Agency and/or database right 2026, Open Government Licence v3.0.
Contains OS data © Crown copyright and database rights 2026.
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