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Live levels from 2 monitoring stations across Warwickshire, updated every 15 minutes.
| Station | Level now | Status | ||
|---|---|---|---|---|
| Walton | 0.22 mASD 47m ago | Normal | ||
| 3.7 km by river | ||||
| Wellesbourne | 0.03 mASD 47m ago | Low | ||
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 Dene above one of its gauges, from the source down. The river map knows where gauges are, not every stream, so a tributary without a gauge is not listed here.
No gauged tributary joins the Dene above Wellesbourne on the river map. Streams without a gauge are not counted here.
Below Wellesbourne, its water next reaches Stratford, a gauge on River Avon, 10.8 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.
5 storm overflows are traced upstream of Wellesbourne, the Dene’s lowest gauge on the river map: on the Dene itself, on its gauged tributaries, and on smaller streams that join above there.
Official figures for 2025, for the overflows traced upstream of Wellesbourne: 25 spills over 202 hours in total, across all 5.
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 Dene includes the smaller streams that join it there.
2 other overflows within 3 km of these gauges are placed below the Dene’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: © Severn Trent 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.
10 sampling points on the River Dene and the streams that join it above Wellesbourne, and below it. 4 have a sample from the last 12 months; 5 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) |
|---|---|---|---|---|
| North End Brook Banbury Road B4100 | unnamed stream | 17 km | Last sampled 4 Apr 2017, before the imported period | |
| Gaydon Brook downstream Gaydon sewage treatment works | unnamed stream | 17 km | Last sampled 28 Feb 2001, before the imported period | |
| Dene River Kineton (B4086) | River Dene | 12 km | Last sampled 17 Aug 2021, before the imported period | |
| Dene River downstream Kineton sewage treatment works | River Dene | 9.6 km | 6 Mar 2025 · 19 months ago | Oxygen 106.9%Temp 8 °CpH 8.22Ammonia 0.031 mg/l |
| The Dene tributary - Pillerton Hersey | unnamed stream | 6.0 km | 16 Sep 2026 · 22 days ago | Oxygen 41.4% Jun 2026Temp 24.4 °C Jun 2026pH 7.85 Jun 2026Ammonia 0.29 mg/l Jun 2026 |
| Dene River Fosse Way Road Bridge | River Dene | 4.6 km | 16 Sep 2026 · 22 days ago | Oxygen 78.7%Temp 15.7 °CpH 7.59Ammonia below 0.03 mg/l |
| Tributary of Dene, Walton Road | River Dene | 3.5 km | Last sampled 8 Dec 2022, before the imported period |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| Dene River Walton Ford downstream of Walton Village | River Dene | 3.1 km | Last sampled 2 Mar 2010, before the imported period |
| Sampling point | Watercourse (map) | Below the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| River Dene downstream of Wellesbourne F/BACKWASH | River Dene | 0.8 km | 9 Sep 2026 · 29 days ago | Oxygen 81.5%Temp 14.5 °CpH 7.73Ammonia 0.035 mg/l |
| Dene River Charlecote (B4088) | River Dene | 1.7 km | 22 May 2026 · 5 months ago | Oxygen 104.6%Temp 17.5 °CpH 7.75Ammonia below 0.03 mg/l |
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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