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Live levels from 1 monitoring station across Nottinghamshire, updated every 15 minutes.
| Station | Level now | Status |
|---|---|---|
| Southwell | 0.18 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 the Greet 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 Greet above Southwell on the river map. Streams without a gauge are not counted here.
Below Southwell, its water next reaches Farndon, a gauge on River Trent, 10.6 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.
6 storm overflows are traced upstream of Southwell, the Greet’s lowest gauge on the river map: on the Greet itself, on its gauged tributaries, and on smaller streams that join above there.
Official figures for 2025, for the overflows traced upstream of Southwell: 98 spills over 168 hours in total, across all 6.
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 Greet includes the smaller streams that join it there.
Within 3 km of one of the Greet’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: © Severn Trent 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 River Greet and the streams that join it above Southwell, and below it. 3 have a sample from the last 12 months; 3 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) |
|---|---|---|---|---|
| Cotton Mill Dyke at Spring Farm Road | Cotton Mill Dyke | 8.0 km | Last sampled 2 Dec 2021, before the imported period | |
| River Greet at Kirklington | River Greet | 6.9 km | 20 May 2026 · 5 months ago | Oxygen 103.2%Temp 11.7 °CpH 8.17Ammonia below 0.03 mg/l |
| River Greet at Southwell Mill | River Greet | 1.2 km | 20 May 2026 · 5 months ago | Oxygen 91.3%Temp 12.8 °CpH 7.95Ammonia 0.047 mg/l |
| Potwell Dyke at Southwell | Potwell Dyke | 0.9 km | Last sampled 13 Aug 2007, before the imported period |
| Sampling point | Watercourse (map) | Below the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| River Greet at Fiskerton Mill | River Greet | 5.3 km | 20 May 2026 · 5 months ago | Oxygen 97.8%Temp 12.9 °CpH 8.09Ammonia 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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