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Live levels from 1 monitoring station across Devon, updated every 15 minutes.
| Station | Level now | Status |
|---|---|---|
| Jacobstowe | 0.22 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 the Okement 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 Okement above Jacobstowe, its highest gauge, no more than 9.2 km by river above Jacobstowe.
| Okehampton Mill Road | 0.09 m 1h ago | Low |
Its water passes every gauge on the Okement, from Jacobstowe down.
Joins the Okement above Jacobstowe, its highest gauge, no more than 14.3 km by river above Jacobstowe.
| Vellake | 0.21 mASD 1h ago | Normal |
| 1.8 km by river | ||
| Meldon | 0.15 m 1h ago | Normal |
Its water passes every gauge on the Okement, from Jacobstowe down.
Below Jacobstowe, its water next reaches Dolton, a gauge on River Torridge, 13.3 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.
10 storm overflows are traced upstream of Jacobstowe, the Okement’s lowest gauge on the river map: on the Okement itself, on its gauged tributaries, and on smaller streams that join above there.
Official figures for 2025, for the overflows traced upstream of Jacobstowe: 354 spills over 1,443 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 Okement includes the smaller streams that join it there.
Within 3 km of one of the Okement’s gauges in a straight line, but the river map cannot say whether their water reaches it.
1 other overflow within 3 km of these gauges is placed below the Okement’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.
32 sampling points on the River Okement and the streams that join it above Jacobstowe, and below it. 6 have a sample from the last 12 months; 10 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) |
|---|---|---|---|---|
| West Okement River upstream of Meldon Reservoir | West Okement River | 1.4 km | Last sampled 24 Apr 2017, before the imported period | |
| West Okement at Meldon Reservoir Surface | West Okement River | 0.1 km | Last sampled 15 Mar 2023, before the imported period |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| East Okement at East Okement Farm | East Okement River | 6.0 km | Last sampled 23 May 2012, before the imported period | |
| Okehampton Camp | Moor Brook | 4.8 km | 10 Aug 2026 · 59 days ago | Oxygen 105.3%Temp 17.5 °CpH 7.22Ammonia 0.003 mg/l |
| Priestacott Brook at Whitehouse Services | unnamed stream | 3.6 km | 2 Dec 2024 · 22 months ago | Oxygen 94.7%Temp 9.2 °CpH 7.14Ammonia below 0.03 mg/l |
| Moor Brook upstream of Camp | Moor Brook | 3.3 km | Last sampled 23 May 2012, before the imported period | |
| East Okement upstream of Halstock Adit No. 1 | East Okement River | 2.8 km | Last sampled 23 May 2012, before the imported period | |
| East Okement downstream of Halstock Mine Adit No. 1 | East Okement River | 2.8 km | Last sampled 23 May 2012, before the imported period | |
| Moor Brook downstream of Camp | Moor Brook | 2.8 km | Last sampled 23 May 2012, before the imported period | |
| East Okement upstream of Moor Brook | East Okement River | 2.8 km | Last sampled 23 May 2012, before the imported period | |
| East Okement 100 m downstream of Moor Brook confluence | East Okement River | 2.7 km | Last sampled 23 May 2012, before the imported period | |
| East Okement upstream of Tordown Stream | East Okement River | 2.1 km | Last sampled 23 May 2012, before the imported period | |
| Tordown Stream upstream of A30 Bypass | East Okement River | 2.1 km | Last sampled 23 May 2012, before the imported period | |
| Pumping Station tributary above the confluence with East Okement | East Okement River | 1.9 km | Last sampled 23 May 2012, before the imported period | |
| East Okement downstream of Fatherford | East Okement River | 1.9 km | Last sampled 23 May 2012, before the imported period |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| West Okement downstream of Meldon Dam | West Okement River | 14 km | 18 May 2026 · 5 months ago | Oxygen 90.2%Temp 10.1 °CpH 6.66Ammonia below 0.03 mg/l |
| Red A Ven Brook upstream of West Okement | Red-a-ven Brook | 14 km | Last sampled 10 Sep 2013, before the imported period | |
| West Okement at Meldon Viaduct | West Okement River | 14 km | Last sampled 4 Dec 2014, before the imported period | |
| West Okement upstream of Meldon Quarry Adit | West Okement River | 13 km | Last sampled 9 Mar 2004, before the imported period | |
| West Okement downstream of Meldon Quarry Adit | West Okement River | 12 km | Last sampled 9 Mar 2004, before the imported period | |
| West Okement River 200 m below Meldon Quarry Bridge | West Okement River | 12 km | 5 Aug 2026 · 2 months ago | pH 7.41 |
| West Okement at Okehampton Hospital | West Okement River | 9.6 km | Last sampled 2 Mar 2020, before the imported period | |
| East Okement Okehampton at Old A30 Bridge | East Okement River | 9.0 km | Last sampled 3 Jul 2015, before the imported period | |
| River Okement at Knowle Bridge | River Okement | 7.5 km | Last sampled 7 Dec 2006, before the imported period | |
| River Okement at Brightley Bridge | River Okement | 6.1 km | 31 Mar 2025 · 18 months ago | Oxygen 105.3%Temp 8.9 °CpH 7.95Ammonia below 0.03 mg/l |
| River Okement upstream of Okehampton sewage treatment works | River Okement | 5.1 km | Last sampled 29 Aug 2003, before the imported period | |
| River Okement downstream of Okehampton sewage treatment works | River Okement | 4.8 km | Last sampled 7 Dec 2005, before the imported period | |
| River Okement at South Dornaford | River Okement | 2.8 km | 7 Sep 2026 · 31 days ago | Oxygen 99.3%Temp 16.6 °CpH 7.74Ammonia below 0.03 mg/l |
| Hayes Barton Brook at Jacobstowe | unnamed stream | 0.6 km | 10 Dec 2024 · 22 months ago | Oxygen 97.4%Temp 7.5 °CpH 7.34Ammonia below 0.03 mg/l |
| River Okement at Jacobstowe | River Okement | 0.2 km | 8 Mar 2024 · 2.6 years ago | Oxygen 101.7%Temp 7.1 °CpH 7.33Ammonia below 0.03 mg/l |
| Sampling point | Watercourse (map) | Below the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| River Okement at Woodhall Bridge | River Okement | 1.9 km | 7 Sep 2026 · 31 days ago | Oxygen 99.8%Temp 16.7 °CpH 7.41Ammonia below 0.03 mg/l |
| River Okement at Iddesleigh Bridge | River Okement | 5.9 km | 2 Sep 2026 · 36 days ago | Oxygen 98.4%Temp 16 °CpH 7.44Ammonia 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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