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Live levels from 5 monitoring stations across Isle of Wight, updated every 15 minutes.
| Station | Level now | Status | ||
|---|---|---|---|---|
| Budbridge | 0.15 mASD 32m ago | Normal | ||
| 6.4 km by river | ||||
| Alverstone | 2.47 mAOD 32m ago | Normal | ||
| 730 m by river | ||||
| Burnt House | 0.41 mASD 32m ago | Normal | ||
| 2.0 km by river | ||||
| Sandown | 0.55 mAOD 32m ago | Normal | ||
| 5.4 km by river | ||||
| Bembridgetidal | 0.23 mAOD 32m ago | — | ||
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 Eastern Yar 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 Eastern Yar above Bembridge on the river map. Streams without a gauge are not counted here.
No gauge below Bembridge 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.
7 storm overflows are traced upstream of Bembridge, the Eastern Yar’s lowest gauge on the river map: on the Eastern Yar itself, on its gauged tributaries, and on smaller streams that join above there.
Official figures for 2025, for the overflows traced upstream of Bembridge: 178 spills over 1,333 hours in total, across all 7.
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 Eastern Yar includes the smaller streams that join it there.
Within 3 km of one of the Eastern Yar’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: © Southern 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.
5 sampling points on the Eastern Yar and the streams that join it above Bembridge. 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) |
|---|---|---|---|---|
| Wroxall Stream Footbridge | unnamed stream | 9.9 km | 6 Dec 2023 · 2.8 years ago | Oxygen 100.9%Temp 7.9 °CpH 7.86Ammonia 0.025 mg/l |
| Horringford Bridge (closed) | River Yar | 4.0 km | Last sampled 23 Jul 2007, before the imported period |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| River E Yar at Burnt House | River Yar | 2.1 km | 13 Aug 2026 · 56 days ago | Oxygen 86%Temp 16.9 °CpH 7.84Ammonia below 0.03 mg/l |
| Scotchells at confluence | Scotchells Brook | 2.0 km | 29 Sep 2026 · 9 days ago | Oxygen 76.3%Temp 16.3 °CpH 7.62Ammonia below 0.03 mg/l |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| River E Yar at Brading | River Yar | 3.9 km | 29 Sep 2026 · 9 days ago | Oxygen 65.3%Temp 15.8 °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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