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Live levels from 2 monitoring stations across Cumberland, updated every 15 minutes.
| Station | Level now | Status | ||
|---|---|---|---|---|
| Ulpha | 0.57 m 11h ago | Normal | ||
| 7.0 km by river | ||||
| Duddon Hall | 0.43 m 58m 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 Duddon 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 Duddon above Duddon Hall on the river map. Streams without a gauge are not counted here.
No gauge below Duddon Hall 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.
None of the storm overflows FloodRadar holds is traced upstream of Duddon Hall on the river map. That is not the same as none: the map leaves out many small streams and culverts, so an overflow it cannot place may still drain here, and not every company publishes every overflow.
Within 3 km of one of the Duddon’s gauges in a straight line, but the river map cannot say whether their water reaches it.
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.
12 sampling points on the River Duddon and the streams that join it above Duddon Hall, and below it. 4 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) |
|---|---|---|---|---|
| Gaitscale Gill 10 m above the confluence with River Duddon | Gaitscale Gill | 11 km | Last sampled 24 Feb 2008, before the imported period | |
| Moasdale Beck 10 m above the confluence with River Duddon | Moasdale Beck | 9.5 km | Last sampled 24 Feb 2008, before the imported period | |
| River Duddon above the confluence with Mosedale Beck | River Duddon | 9.5 km | Last sampled 11 Nov 2020, before the imported period | |
| River Duddon at Cockley Beck Bridge | River Duddon | 9.3 km | Last sampled 24 Feb 2008, before the imported period | |
| Tarn Beck downstream of Seathwaite Tarn | unnamed stream | 6.6 km | Last sampled 11 Mar 2015, before the imported period | |
| Tarn Beck at Tongue House upstream of Farm Eff | Tarn Beck | 4.6 km | Last sampled 9 Feb 2017, before the imported period | |
| Tarn Beck near Turner Hill Farm | Tarn Beck | 3.7 km | 15 Sep 2026 · 23 days ago | Oxygen 99.7%Temp 14.5 °CpH 8.14Ammonia 0.064 mg/l |
| River Duddon downstream of Tarn Beck | River Duddon | 0.9 km | 2 Sep 2026 · 36 days ago | Temp 14.7 °CAmmonia below 0.03 mg/lNitrate 0.226 mg/lPhosphate below 0.01 mg/l |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| Crosby Gill at Crosbythwaite | Crosby Gill | 7.5 km | 16 Dec 2025 · 10 months ago | Oxygen 104.8%Temp 7.1 °CpH 7.65Ammonia below 0.002 mg/l |
| Crosby Gill above the confluence with Duddon | Crosby Gill | 7.5 km | Last sampled 8 Nov 2006, before the imported period | |
| River Duddon at Ulpha | River Duddon | 4.3 km | Last sampled 24 Feb 2008, before the imported period |
| Sampling point | Watercourse (map) | Below the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| River Duddon at Duddon Bridge | River Duddon | 1.6 km | 11 Sep 2026 · 27 days ago | Oxygen 100.2% May 2026Temp 16.7 °C May 2026pH 7.31 May 2026Ammonia below 0.002 mg/l May 2026 |
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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