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Home › Rivers › Maud Foster/Stonebridge Drain

Maud Foster/Stonebridge Drain water levels

Live levels from 2 monitoring stations across Lincolnshire, updated every 15 minutes.

2stations
0above typical high

Gauges

Monitoring stations, source to mouth

StationTownLevel nowStatusTrend
SibseyStonebridge Drain0.26 mASD 29m agoNormal△
3.7 km by river
CowbridgeCowbridge0.37 mASD 19h agoold reading

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.

Gauged tributaries

Streams and rivers with a gauge whose water joins Maud Foster/Stonebridge Drain 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.

2 gauged tributaries, 4 gauges

Hagnaby Beck

Joins Maud Foster/Stonebridge Drain above Sibsey, its highest gauge, no more than 8.5 km by river above Sibsey.

Hagnaby Beck0.03 m 44m agoNormal

Its water passes every gauge on Maud Foster/Stonebridge Drain, from Sibsey down.

West Fen Catchwater Drain

Joins Maud Foster/Stonebridge Drain above Sibsey, its highest gauge, no more than 13.3 km by river above Sibsey.

New York0.63 mASD 44m agoNormal
8.8 km by river
Revesby0.56 mASD 44m agoNormal

Its water passes every gauge on Maud Foster/Stonebridge Drain, from Sibsey down.

Gauged streams joining West Fen Catchwater Drain

Where Maud Foster/Stonebridge Drain goes

No gauge below Cowbridge 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.

Storm overflows upstream

2 storm overflows are traced upstream of Cowbridge, Maud Foster/Stonebridge Drain’s lowest gauge on the river map: on Maud Foster/Stonebridge Drain itself, on its gauged tributaries, and on smaller streams that join above there.

  • 0 report discharging now
  • 2 not discharging
  • 0 offline or silent: 0 monitor offline, 0 status unknown, 0 no live feed

Official figures for 2025, for the overflows traced upstream of Cowbridge: 65 spills over 751 hours in total, across all 2.

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 Maud Foster/Stonebridge Drain includes the smaller streams that join it there.

Above Sibsey, Maud Foster/Stonebridge Drain’s highest gauge1 overflow
  • Stickney STW Not discharging
    Anglian Water · into East Fen Catchwater Drain · 6.7 km by river above Sibsey · 2025: 10 spills, 83 h
Billinghay Skirth, above Billinghayjoins West Fen Catchwater Drain1 overflow
  • Metheringham STW Not discharging
    Anglian Water · into Car Dyke Meth'gham Delph Rive · 15.7 km by river above Billinghay · 2025: 55 spills, 668 h · placed on the river by its position alone

Near these gauges, connection not known

Within 3 km of one of Maud Foster/Stonebridge Drain’s gauges in a straight line, but the river map cannot say whether their water reaches it.

  • Sibsey Water Recycling Centre Not discharging
    Anglian Water · into Mallows Drain Hobhole Drain · 1.9 km from Sibsey in a straight line · its watercourse is not on the river map · 2025: 18 spills, 178 h
  • Norfolk Street CSO Not discharging shellfish water
    Anglian Water · into Maud Foster Drain · 2.8 km from Cowbridge in a straight line · its watercourse is not on the river map · 2025: 1 spill, 0.7 h
  • Boston Norfolk Place CSO Not discharging shellfish water
    Anglian Water · into The Haven · 3.0 km from Cowbridge in a straight line · discharges to the sea, an estuary or tidal water · 2025: 3 spills, 0.9 h
  • Boston Queens Road CSO Not discharging shellfish water
    Anglian Water · into Maud Foster Drain · 3.0 km from Cowbridge in a straight line · its watercourse is not on the river map · 2025: 6 spills, 15 h

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.

Water samples

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.

20 sampling points on the Maud Foster/Stonebridge Drain and the streams that join it above Cowbridge. 7 have a sample from the last 12 months; 9 have any sample banked. Listed from the source down, grouped by the next gauge each one's water reaches.

Above Billinghay Billinghay Skirth 11 points, 6 with samples
Sampling pointWatercourse (map)Above the gaugeLast sampleLatest results (river water)
Metheringham Brookunnamed stream16 kmLast sampled 30 Mar 2017, before the imported period
Headwaters Metheringham Beckunnamed stream16 km10 Mar 2025 · 19 months agoOxygen 86.7%Temp 10 °CpH 7.59Ammonia below 0.03 mg/l
Prior Lane off Dunston Fen Laneunnamed stream16 km7 Sep 2026 · 31 days agoOxygen 76.2%Temp 15.7 °CpH 7.94Ammonia below 0.03 mg/l
Metheringham Beck at Moor Laneunnamed stream15 km9 Dec 2025 · 10 months agoOxygen 56%Temp 10.9 °CpH 7.54Ammonia 0.25 mg/l
Metheringham downstream of sewage treatment worksunnamed stream15 km3 Sep 2026 · 35 days agoOxygen 44.4%Temp 16.6 °CpH 7.47Ammonia below 0.03 mg/l
Springwell BrookSpringwell Brook12 kmLast sampled 6 Dec 2021, before the imported period
Springwell Brook By FootbridgeSpringwell Brook9.9 km3 Dec 2025 · 10 months agoOxygen 90.1%Temp 7.4 °CpH 7.89Ammonia below 0.03 mg/l
Dorrington Beck Fen Road BridgeDorrington Dike6.6 kmLast sampled 6 Dec 2021, before the imported period
Car Dyke South at Fen RoadCar Dyke5.6 kmLast sampled 5 Dec 2022, before the imported period
Dorrington Dike DrainDorrington Dike3.7 kmLast sampled 29 Mar 2017, before the imported period
Farroway Drain North KymeFarroway Drain2.1 km14 Sep 2026 · 24 days agoOxygen 76.2%Temp 17.3 °CpH 7.3Ammonia 0.14 mg/l
Above Revesby West Fen Catchwater Drain 2 points
Sampling pointWatercourse (map)Above the gaugeLast sampleLatest results (river water)
Catchwater Drain upstream of Mareham Le Fen sewage treatment worksCatchwater Drain3.5 km16 Dec 2025 · 10 months agoOxygen 81.7%Temp 8.9 °CpH 7.55Ammonia 0.13 mg/l
Revesby Drain at A155unnamed stream2.5 km5 Dec 2025 · 10 months agoOxygen 90.6%Temp 6.7 °CpH 8.01Ammonia below 0.03 mg/l
Above Hagnaby Beck Hagnaby Beck 1 point, 0 with samples
Sampling pointWatercourse (map)Above the gaugeLast sampleLatest results (river water)
Downstream of Old Bolingbroke sewage treatment worksHagnaby Beck2.3 kmLast sampled 2 Dec 2021, before the imported period
Above Sibsey Maud Foster/Stonebridge Drain 5 points, 1 with samples
Sampling pointWatercourse (map)Above the gaugeLast sampleLatest results (river water)
East Fen Catchwater DrainEast Fen Catchwater Drain16 km20 Mar 2025 · 19 months agoOxygen 97.2%Temp 8 °CpH 8.13Ammonia 0.16 mg/l
Catchwater Drain upstream of East Kirkby sewage treatment worksCatchwater Drain13 kmLast sampled 2 Dec 2021, before the imported period
East Fen Catchwater Drain upstream of Stickney sewage treatment worksEast Fen Catchwater Drain8.1 kmLast sampled 2 Dec 2021, before the imported period
West Fen Catchwater Stickney BridgeWest Fen Catchwater Drain6.5 kmLast sampled 2 Dec 2021, before the imported period
Stone Bridge Drain NorthlandsStone Bridge Drain2.4 kmLast sampled 4 Aug 2021, before the imported period
Above Cowbridge Maud Foster/Stonebridge Drain 1 point, 0 with samples
Sampling pointWatercourse (map)Above the gaugeLast sampleLatest results (river water)
Stone Bridge Drain Hale Bridge BottomStone Bridge Drain3.6 kmLast sampled 13 Mar 2023, 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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