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Barton Mills Sluice

Lark ⚙ Structure
Cam and Ely Ouse (Including South Level) catchment • Barton Mills • Suffolk • ID: E60201 • Level
(21m ago) • 4 readings/hr • 137 views

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Not an emergency service — if in danger call 999. Alerts rely on EA/SEPA/NRW data and are best-efforts. Terms

Current Level
0.115 mASD
▬ Steady
24h Max
0.116 mASD
24h Min
0.093 mASD
Typical Range
0.21 - 0.28
mASD
Highest Recorded
0.74 mASD
EA official record
0.48 in our data (since Oct 2014)
Current level is 16% of this
🚽 Sewage overflows nearby

Recent Water Levels

🌍 floodradar.co.uk
1 day

Flood predictions aren't generated for lock / structure gauges — their levels are driven by gate operation, not by catchment rainfall, so the forecast models would have no skill here.

Recent Readings

Rising · +0.6 cm over 5h
10 Oct 17:15 ▼ -0.1 cm 0.115 mASD
10 Oct 17:00 ▲ +0.1 cm 0.116 mASD
10 Oct 16:45 ▲ +0.1 cm 0.115 mASD
10 Oct 16:30 ▲ +0.2 cm 0.114 mASD
10 Oct 16:15 ▼ -0.1 cm 0.112 mASD
10 Oct 16:00 ▼ -0.1 cm 0.113 mASD
10 Oct 15:45 ▲ +0.1 cm 0.114 mASD
10 Oct 15:30 ▬ steady 0.113 mASD
10 Oct 15:15 ▬ steady 0.113 mASD
10 Oct 15:00 ▲ +0.2 cm 0.113 mASD
10 Oct 14:45 ▼ -0.1 cm 0.111 mASD
10 Oct 14:30 ▲ +0.1 cm 0.112 mASD
10 Oct 14:15 ▬ steady 0.111 mASD
10 Oct 14:00 ▲ +0.1 cm 0.111 mASD
10 Oct 13:45 ▬ steady 0.110 mASD
10 Oct 13:30 ▲ +0.1 cm 0.110 mASD
10 Oct 13:15 ▲ +0.1 cm 0.109 mASD
10 Oct 13:00 ▼ -0.1 cm 0.108 mASD
10 Oct 12:45 ▬ steady 0.109 mASD
10 Oct 12:30 0.109 mASD

Station Details

  • Monitoring Station: Barton Mills Sluice
  • Watercourse: River Lark
  • Nearest Town: Barton Mills
  • County: Suffolk
  • Coordinates: 52°20'6"N 0°31'55"E (52.335121, 0.531859)
  • Open in: Google Maps · Apple Maps (opens your maps app)
  • Date Opened: 17 May 1998
  • Status: Active
  • Station Type: River level station
Technical details: references, datum, range, flow archive
  • Station Reference: E60201
  • RLOI id: 6260 (the EA's check-for-flooding station id)
  • EA Gauge ID: E60201-level-stage-i-15_min-mASD
  • Parameter: Level
  • Unit: mASD
  • Typical rise rate: 1 cm/hr (p95 sustained over 90 days)
  • Typical data delay: ~22 min (measured reading→publication lag)
  • Tidal: No
  • Lock / structure: ⚙ Yes — lock, weir, sluice or pump
  • Catchment Area: Cam and Ely Ouse (Including South Level)
  • Datum: 7.600m AOD
  • Typical Range: 0.210 – 0.279 mASD
  • EA Cross-check: 0.12 mASD (EA at 10 Oct 16:45)

Geographic coordinates may reflect the access point for the gauge, and not the precise location in the watercourse that it is taking readings from.

Nearby Stations

Gauges connected to this river, and others nearby. A distance “by river” follows the river on the map; any other is in a straight line.

Connected upstream

Connected downstream

Same river system, separate branch

Nearby

Distances by river: OS Open Rivers. Contains OS data © Crown copyright and database rights 2026.

💧 Storm overflows upstream of this gauge

Storm overflows whose water reaches this gauge on the mapped river network, nearest first by distance along the river. The status is each water company's monitor: it says whether an overflow is discharging, not how much or what it contains.

4 storm overflows are traced upstream of this gauge, the nearest 15.2 km away along the river. 0 report discharging now, 4 report not discharging.

💧
Anglian Water · into The River Lark · 15.2 km upstream along the river
3 spills · 3 hours in 2025
Not discharging now · last
💧
Anglian Water · into River Lark · 15.2 km upstream along the river
3 spills · 17 hours in 2025
Not discharging now · last
💧
Anglian Water · into The River Lark Nt · 25.0 km upstream along the river
1 spill · 1 hours in 2025
Not discharging now · last
💧
Anglian Water · into R Lark · 31.9 km upstream along the river
23 spills · 206 hours in 2025
Not discharging now · last

1 other overflow within 6 km is downstream of this gauge or on another branch of the river network, so it is not listed.

These are the water companies' monitor statuses; a spill does not by itself explain a change in the gauge level. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels. Explore the sewage map →

Contains OS data © Crown copyright and database rights 2026.

Rainfall & Weather

Loading rainfall and weather data...

How often this river runs high

In a typical year this gauge reaches its typical high of 0.28 m on about 58 days. This year so far: 1 day.

2026 1 day so far
2025 3 days
2024 27 days, 7 of them high · 7 high
2023 66 days, 6 of them high · 6 high
2022 106 days, 6 of them high · 6 high
2021 56 days, 2 of them high · 2 high
2020 61 days, 2 of them high · 2 high
2019 103 days, 21 of them high · 21 high
2018 34 days
2017 65 days

Counted from each day's highest reading. Days with missing or implausible readings are left out. The darker part is days above 0.39 m, the level this gauge tops only a few days a year.

Flood history near this gauge

Official Environment Agency warnings issued since 2019 for the 4 flood areas linked to this gauge (nearest 0.8 km away).

0flood warnings 16flood alerts

Most recent flood alert: 18 Feb 2024 — River Lark in Suffolk

Year by year
YearWarningsAlerts
2024 0 3
2023 0 4
2021 0 3
2020 0 3
2019 0 3

Warnings apply to a whole flood area, not necessarily this exact spot. Years before 2006 aren't covered by the EA's historic record. See also the Barton Mills flood history.

Flood areas linked to this gauge

Flood warnings and alerts are issued for whole areas. These are the 4 areas linked to this gauge, nearest first.

Frequently asked questions

Is the River Lark at Barton Mills Sluice flooding today?

The current level is 0.12m, which is below the typical range. Flooding is very unlikely at this level.

Is the river level rising or falling at Barton Mills Sluice?

Based on the most recent readings, the level is currently steady. The chart above shows the last 12 hours of measurements by default (up to 7 days), updated roughly every 15 minutes.

What is a normal level for the River Lark at Barton Mills Sluice?

The typical range at this station is 0.21m to 0.28m, based on Environment Agency historical data. Levels above 0.28m are higher than usually seen and may indicate a flood risk.

How often is this river level data updated?

Readings are supplied by the Environment Agency gauge. FloodRadar checks for updates roughly every 15 minutes; the timestamp above shows how recent the latest available reading is.

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📮 Flood risk by postcode near this gauge

Postcodes within 5 km with properties in the Environment Agency’s rivers-and-sea flood-risk bands:

Check any UK postcode’s flood risk →

🏠 Buying or renting around here? Get the Property Flood-Risk Report for any English postcode — official risk band, recorded floods, warning history, river behaviour and nearby storm overflows. £19 one-off. Learn more →