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Live levels from 3 monitoring stations across Somerset, updated every 15 minutes.
| Station | Level now | Status | ||
|---|---|---|---|---|
| Shepton Mallet Garston Street | 0.03 mASD 28m ago | Normal | ||
| 290 m by river | ||||
| Shepton Mallet Lower Lane | 0.08 mASD 28m ago | Normal | ||
| 14.6 km by river | ||||
| Fenny Castle | 0.08 mASD 28m 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 Sheppey 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 Sheppey above Fenny Castle on the river map. Streams without a gauge are not counted here.
No gauge below Fenny Castle is known on the river map.
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.
10 storm overflows are traced upstream of Fenny Castle, the Sheppey’s lowest gauge on the river map: on the Sheppey itself, on its gauged tributaries, and on smaller streams that join above there.
Official figures for 2025, for the overflows traced upstream of Fenny Castle: 103 spills over 704 hours in total, across all 10.
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 Sheppey includes the smaller streams that join it there.
Within 3 km of one of the Sheppey’s gauges in a straight line, but the river map cannot say whether their water reaches it.
4 other overflows within 3 km of these gauges are placed below the Sheppey’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: © Wessex 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 Sheppey and the streams that join it above Fenny Castle, and below it. 3 have a sample from the last 12 months; 4 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) |
|---|---|---|---|---|
| River Sheppey at A361 Bridge | River Sheppey | 1.7 km | Last sampled 27 May 2004, before the imported period | |
| River Sheppey upstream of Showerings | River Sheppey | 0.5 km | Last sampled 18 Jun 2002, before the imported period |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| River Sheppey downstream of Showerings | River Sheppey | 0.3 km | Last sampled 18 Jun 2002, before the imported period |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| River Sheppey at Bowlish | River Sheppey | 14 km | Last sampled 16 Dec 2010, before the imported period | |
| River Sheppey at Darshill | River Sheppey | 13 km | 13 May 2026 · 5 months ago | Oxygen 97.6%Temp 11 °CpH 7.74Ammonia 0.076 mg/l |
| River Sheppey upstream of Darshill Storm O/F | River Sheppey | 13 km | Last sampled 24 Feb 2005, before the imported period | |
| River Sheppey upstream of Darshill sewage treatment works | River Sheppey | 12 km | Last sampled 23 Oct 2002, before the imported period | |
| River Sheppey at Croscombe Village | River Sheppey | 11 km | Last sampled 12 Jun 2019, before the imported period | |
| River Sheppey at Dinder | River Sheppey | 9.6 km | 3 Jan 2024 · 2.8 years ago | pH 7.94 |
| Keward Brook upstream of Clares Equip | Keward Brook | 6.6 km | Last sampled 24 May 2002, before the imported period | |
| Keward Brook downstream of Clares Equipment | Keward Brook | 6.2 km | Last sampled 24 May 2002, before the imported period | |
| Keward Brook at Tile Centre | Keward Brook | 5.2 km | Last sampled 9 Aug 2021, before the imported period | |
| Tributary of Keward Brook downstream of sewage treatment works | unnamed stream | 4.8 km | 15 Sep 2026 · 23 days ago | Oxygen 86.1%Temp 17 °CpH 8.07Ammonia below 0.03 mg/l |
| River Sheppey at Woodford | River Sheppey | 4.7 km | Last sampled 9 Aug 2021, before the imported period | |
| Keward Brook T. downstream of sewage treatment works | Keward Brook | 4.2 km | Last sampled 5 Dec 2004, before the imported period | |
| Keward Brook at Mill | Keward Brook | 4.1 km | Last sampled 10 Feb 2021, before the imported period |
| Sampling point | Watercourse (map) | Below the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| River Sheppey at Lower Godney | River Sheppey | 4.6 km | 4 Mar 2026 · 7 months ago | Oxygen 97.4%Temp 10 °CpH 7.98Ammonia 0.049 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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