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Live levels from 1 monitoring station across Oxfordshire, updated every 15 minutes.
| Station | Level now | Status |
|---|---|---|
| Bampton | 0.91 mASD 1h 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 Shill Brook 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 Shill Brook above Bampton on the river map. Streams without a gauge are not counted here.
Below Bampton, its water next reaches Northmoor Lock, a gauge on River Thames, 13.9 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.
1 storm overflow is traced upstream of Bampton, Shill Brook’s lowest gauge on the river map: on Shill Brook itself, on its gauged tributaries, and on smaller streams that join above there.
Official figures for 2025, for the overflow traced upstream of Bampton: 25 spills over 404 hours.
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 Shill Brook includes the smaller streams that join it there.
Within 3 km of one of Shill Brook’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 Shill Brook’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: © Thames 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 Shill Brook and the streams that join it above Bampton, and below it. 4 have a sample from the last 12 months; 5 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) |
|---|---|---|---|---|
| Shill Brook just above Carterton S/W | Shill Brook | 5.0 km | 23 Jul 2026 · 3 months ago | Oxygen 87.9%Temp 15.4 °CpH 7.67Ammonia below 0.03 mg/l |
| Shill Brook at Roadbridge, Black Bourton | Shill Brook | 3.6 km | 21 Aug 2026 · 48 days ago | Oxygen 77.8%Temp 17 °CpH 7.68Ammonia below 0.03 mg/l |
| Downstream of Roadbridge, Black Bourton | Shill Brook | 3.4 km | 15 Mar 2024 · 2.6 years ago | Oxygen 85.8% Dec 2023Temp 9.2 °C Dec 2023pH 7.89 Dec 2023Ammonia 0.26 mg/l Dec 2023 |
| Highmoor Brook below Brize Norton Stream | Highmoor Brook | 3.4 km | 21 Aug 2026 · 48 days ago | Oxygen 56.5%Temp 16.4 °CpH 7.71Ammonia 0.035 mg/l |
| Sampling point | Watercourse (map) | Below the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| Shill Brook at Fishers Bridge, Bampton | Shill Brook | 0.7 km | 29 Sep 2026 · 9 days ago | Oxygen 89.6%Temp 14.2 °CpH 7.97Ammonia 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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