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Live levels from 1 monitoring station across North Yorkshire, updated every 15 minutes.
| Station | Level now | Status |
|---|---|---|
| Croft Monk End Farm | 0.66 m 1h 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 Clow Beck 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 Clow Beck above Croft Monk End Farm on the river map. Streams without a gauge are not counted here.
Below Croft Monk End Farm, its water next reaches Hurworth, a gauge on River Tees, 7.3 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 Croft Monk End Farm, Clow Beck’s lowest gauge on the river map: on Clow Beck itself, on its gauged tributaries, and on smaller streams that join above there.
Official figures for 2025, for the overflows traced upstream of Croft Monk End Farm: 156 spills over 1,269 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 Clow Beck includes the smaller streams that join it there.
6 other overflows within 3 km of these gauges are placed below Clow Beck’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: © Northumbrian 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.
8 sampling points on the Clow Beck and the streams that join it above Croft Monk End Farm. 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) |
|---|---|---|---|---|
| Barningham Burn Nextmoor Road - Smallways Beck | unnamed stream | 29 km | 1 Sep 2026 · 37 days ago | Oxygen 106.2%Temp 11.8 °CpH 8.73Ammonia below 0.03 mg/l |
| Hutton Beck at Hutton Hall Bridge | Hutton Beck | 21 km | 28 May 2026 · 4 months ago | Oxygen 92.3%Temp 14.1 °CpH 7.9Ammonia below 0.03 mg/l |
| Hutton Beck below West Middleton Farm | Hutton Beck | 20 km | Last sampled 15 Dec 2021, before the imported period | |
| Forcett Beck at MILBANK/ Tank Cottages | Forcett Beck | 16 km | Last sampled 15 Sep 2017, before the imported period | |
| Aldbrough Beck below Eppleby sewage treatment works | Aldbrough Beck | 15 km | Last sampled 11 Mar 2022, before the imported period | |
| Waterfall Beck c. 200 m W of Melsonby sewage treatment works | Waterfall Beck | 12 km | 28 May 2026 · 4 months ago | Oxygen 84%Temp 11.8 °CpH 7.36Ammonia below 0.03 mg/l |
| Waterfall Beck at Little Hangbank Bridge | Waterfall Beck | 11 km | Last sampled 23 Mar 2020, before the imported period | |
| Aldbrough Beck at B6275 | Aldbrough Beck | 9.7 km | 28 May 2026 · 4 months ago | Oxygen 92.3%Temp 13.3 °CpH 7.96Ammonia 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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