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Live levels from 1 monitoring station across Cheshire East, updated every 15 minutes.
| Station | Level now | Status |
|---|---|---|
| Stanneylands | 0.10 m 27m ago | Normal |
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 Dean above one of its gauges, from the source down. Named streams without a gauge that have a page here are listed at the end.
No gauged tributary joins the Dean above Stanneylands on the river map. Streams without a gauge are not counted here.
Below Stanneylands, its water next reaches Bollington Mill, a gauge on River Bollin, 21.7 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 Stanneylands, the Dean’s lowest gauge on the river map: on the Dean itself, on its gauged tributaries, and on smaller streams that join above there.
Official figures for 2025, for the overflows traced upstream of Stanneylands: 160 spills over 336 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 Dean includes the smaller streams that join it there.
Within 3 km of one of the Dean’s gauges in a straight line, but the river map cannot say whether their water reaches it.
9 other overflows within 3 km of these gauges are placed below the Dean’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: © United Utilities 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.
15 sampling points on the Dean and the streams that join it above Stanneylands, and below it. 1 has a sample from the last 12 months; 1 has 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) |
|---|---|---|---|---|
| River Dean at Berristall Road Bridge upstream of Lamaload | River Dean | 24 km | Last sampled 4 Dec 2014, before the imported period | |
| River Dean at Lamaload | River Dean | 24 km | Last sampled 19 Oct 2007, before the imported period | |
| River Dean at Hough Hole | River Dean | 20 km | Last sampled 19 Oct 2007, before the imported period | |
| Harrop Brook upstream of Pott Shrigley Stream | Harrop Brook | 19 km | Last sampled 19 Oct 2007, before the imported period | |
| Pott Shrigley Brook above the confluence with Harrop Brook | Pott Shrigley Brook | 19 km | Last sampled 19 Oct 2007, before the imported period | |
| River Dean above confluence with Harrop | River Dean | 18 km | Last sampled 14 Mar 2023, before the imported period | |
| Harrop Brook above confluence with Dean | Harrop Brook | 18 km | Last sampled 3 May 2023, before the imported period | |
| River Dean at Lowerhouse | River Dean | 16 km | Last sampled 17 Mar 2010, before the imported period | |
| Upstream of Burn Site Shirdfold Farm Woodford Aerodrome | unnamed stream | 10 km | Last sampled 29 Jan 2009, before the imported period | |
| Downstream of Burn Site Shirdfold Farm Woodford Aerodrome | unnamed stream | 9.2 km | Last sampled 18 Mar 2002, before the imported period | |
| Red Brook above the confluence with Shirdfold Farm | Red Brook | 8.9 km | Last sampled 30 Jun 2006, before the imported period | |
| Red Brook near Woodford Aerodrome | Red Brook | 8.3 km | Last sampled 6 Mar 2017, before the imported period | |
| River Dean at Deanwater | River Dean | 5.0 km | Last sampled 29 Sep 2006, before the imported period | |
| River Dean at Handforth | River Dean | 0.2 km | 1 Apr 2026 · 6 months ago | Oxygen 99.7%Temp 9.5 °CpH 8.02Ammonia 0.038 mg/l |
| Sampling point | Watercourse (map) | Below the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| River Dean at Twinnies Bridge Bollin | River Dean | 1.6 km | Last sampled 14 Mar 2023, before the imported period |
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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