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Live levels from 4 monitoring stations across Devon, updated every 15 minutes.
| Station | Level now | Status | ||
|---|---|---|---|---|
| Culmstock | 0.17 m 1h ago | Low | ||
| 14.8 km by river | ||||
| Woodmillstructure | 0.26 m 28m ago | Normal | ||
| 5.8 km by river | ||||
| Bradninch Hele Station Road | 1.06 mASD 28m ago | Normal | ||
| downstream, distance by river not measured | ||||
| Rewe | 0.29 m 28m 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 Culm 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 Culm between Culmstock and Woodmill, no more than 1.0 km by river above Woodmill.
| Cullompton Swallow Way | 0.29 m 2h ago | Low |
Its water passes Woodmill and every gauge below it on the Culm. It does not pass Culmstock or the gauges above it.
Joins the Culm between Culmstock and Woodmill, no more than 11.9 km by river above Woodmill.
| Tiverton Parkway | 0.11 mASD 28m ago | Low |
Its water passes Woodmill and every gauge below it on the Culm. It does not pass Culmstock or the gauges above it.
Below Rewe, its water next reaches Exeter Pynes Stafford Bridge, a gauge on River Exe, 5.6 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.
24 storm overflows are traced upstream of Rewe, the Culm’s lowest gauge on the river map: on the Culm itself, on its gauged tributaries, and on smaller streams that join above there.
Official figures for 2025, for the overflows traced upstream of Rewe: 808 spills over 9,829 hours in total, across all 24.
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 Culm includes the smaller streams that join it there.
Within 3 km of one of the Culm’s gauges in a straight line, but the river map cannot say whether their water reaches it.
3 other overflows within 3 km of these gauges are placed below the Culm’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: © South West 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.
50 sampling points on the River Culm and the streams that join it above Rewe, and below it. 13 have a sample from the last 12 months; 20 have any sample banked.
Sampled most recently, anywhere on the Culm and its streams:
| Where, from the source down | Sampling points | Newest sample |
|---|---|---|
| Above Rewe | 3 points0 sampled | none banked |
| Above Culmstock | 12 points7 sampled | 14 Sep 2026 |
| Above Woodmill | 27 points9 sampled | 30 Sep 2026 |
| Above Bradninch Hele Station Road | 5 points3 sampled | 10 Aug 2026 |
| Below the lowest gauge | 3 points1 sampled | 5 May 2026 |
England's samples only. Each count opens the list of those points, nearest first, with the date of each one’s latest sample (the gauge’s “Upstream of here” list).
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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