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Live levels from 2 monitoring stations across Lincolnshire, North Lincolnshire, updated every 15 minutes.
| Station | Level now | Status | ||
|---|---|---|---|---|
| Brandy Wharf | 0.55 mASD 3h ago | Normal | ||
| 10.1 km by river | ||||
| Brigg | 1.30 mASD 31m 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 Ancholme 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.
Joins the Ancholme above Brandy Wharf, its highest gauge, no more than 6.4 km by river above Brandy Wharf.
| Market Rasen | 0.07 mASD 31m ago | Normal |
| 10.9 km by river | ||
| Bishopbridge | 0.16 mASD 31m ago | Normal |
Its water passes every gauge on the Ancholme, from Brandy Wharf down.
No gauge below Brigg 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.
6 storm overflows are traced upstream of Brigg, the Ancholme’s lowest gauge on the river map: on the Ancholme itself, on its gauged tributaries, and on smaller streams that join above there.
Official figures for 2025, for the overflows traced upstream of Brigg: 91 spills over 584 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 Ancholme includes the smaller streams that join it there.
Within 3 km of one of the Ancholme’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 Ancholme’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: © Anglian 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.
23 sampling points on the River Ancholme and the streams that join it above Brigg, and below it. 12 have a sample from the last 12 months; 16 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) |
|---|---|---|---|---|
| River Rase Tealby Thorpe | River Rase | 4.6 km | 8 Sep 2026 · 30 days ago | Oxygen 98.4%Temp 13.9 °CpH 8.32Ammonia below 0.03 mg/l |
| Woodlands | River Rase | 1.0 km | Last sampled 6 Dec 2021, before the imported period |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| North Willingham tributary of River Rase | unnamed stream | 11 km | Last sampled 25 Oct 2010, before the imported period | |
| Market Rasen Pasture Lane Bridge | unnamed stream | 11 km | 21 Sep 2026 · 17 days ago | Oxygen 120.1% Sep 2026Temp 11.8 °CpH 8.21 Sep 2026Ammonia below 0.03 mg/l |
| River Rase 400 m upstream of Market Rasen sewage treatment works O/F | River Rase | 7.5 km | Last sampled 2 Dec 2004, before the imported period | |
| Upstream of Market Rasen sewage treatment works | River Rase | 7.5 km | 16 Sep 2026 · 22 days ago | Oxygen 90.5%Temp 13 °CpH 8.36Ammonia below 0.03 mg/l |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| Owmby Beck at Toft Newton Reservoir | unnamed stream | 12 km | 18 Aug 2026 · 51 days ago | Oxygen 49%Temp 16.7 °CpH 7.61Ammonia 0.2 mg/l |
| Toft Newton Ancholme gauging station | River Ancholme | 11 km | 22 May 2026 · 5 months ago | Oxygen 71.7%Temp 15.6 °CpH 8.03Ammonia 0.078 mg/l |
| Kingerby Beck | Kingerby Beck | 6.6 km | Last sampled 2 Dec 2021, before the imported period | |
| River Rase Bishops Bridge | River Rase | 6.5 km | 1 Oct 2026 · 7 days ago | Oxygen 59.4%Temp 14.6 °CpH 7.4Ammonia below 0.03 mg/l |
| River Ancholme Bishops Bridge | River Ancholme | 6.4 km | 1 Oct 2026 · 7 days ago | Oxygen 80.1%Temp 15.4 °CpH 7.82Ammonia below 0.03 mg/l |
| Seggimoor Beck | Seggimoor Beck | 6.0 km | Last sampled 1 Dec 2021, before the imported period | |
| Waddingham Black Dyke Gauging Station | Waddingham Beck | 2.2 km | 3 Sep 2026 · 35 days ago | Oxygen 41.1%Temp 16 °CpH 7.61Ammonia below 0.03 mg/l |
| New River Ancholme Brandy Wharf Bottom | New River Ancholme | 0.1 km | 11 Mar 2024 · 2.6 years ago | Oxygen 95.6%Temp 7.2 °CpH 8.17Ammonia 0.18 mg/l |
| Sampling point | Watercourse (map) | Above the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| North Kelsey Beck at Caistor Moor | unnamed stream | 16 km | 4 Sep 2024 · 2.1 years ago | Oxygen 94.3% Jun 2024Temp 11.4 °C Jun 2024pH 8.1 Jun 2024Ammonia 0.22 mg/l Jun 2024 |
| Cutley Beck downstream of Cherry Valley Dyke | Cutley Beck | 12 km | Last sampled 24 Feb 2020, before the imported period | |
| N Kelsey Beck B1434 | North Kelsey Beck | 10 km | 2 Jan 2024 · 2.8 years ago | pH 7.52 |
| North Kelsey Beck Gauging Station | North Kelsey Beck | 10 km | 7 May 2026 · 5 months ago | Oxygen 124.6%Temp 10.6 °CpH 8.52Ammonia below 0.03 mg/l |
| River Ancholme Hibaldstow Bottom | New River Ancholme | 5.6 km | 1 Mar 2024 · 2.6 years ago | Oxygen 95.7%Temp 7 °CpH 8.04Ammonia 0.32 mg/l |
| N Kelsey Beck 100 m upstream of River Ancholme | North Kelsey Beck | 5.2 km | 1 Oct 2026 · 7 days ago | Oxygen 88.2%Temp 15.4 °CpH 7.79Ammonia below 0.03 mg/l |
| River Ancholme Cadney Bottom | New River Ancholme | 4.2 km | 18 Aug 2026 · 51 days ago | Temp 20 °C |
| Kettleby Beck Pool End | Kettleby Beck | 2.0 km | 4 Sep 2026 · 34 days ago | Oxygen 30.2%Temp 15.9 °CpH 7.3Ammonia 0.071 mg/l |
| Sampling point | Watercourse (map) | Below the gauge | Last sample | Latest results (river water) |
|---|---|---|---|---|
| New River Ancholme Worlaby Bottom | New River Ancholme | 5.1 km | Last sampled 28 Apr 2021, before the imported period |
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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