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You'll be notified when this gauge is rising more than 0.10 m/hr — a sign of rapidly increasing water levels.
You'll be notified when a new storm-overflow (sewage) discharge starts within ~3 km of this gauge, based on the water companies' near-real-time feeds.
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Current Level
0.193 mASD
▼ Easing
24h Max
0.227 mASD
24h Min
0.187 mASD
Typical Range
0.16 - 2.11
mASD
Highest Recorded
2.43 mASD
EA official record
A 3.31 reading (7 Apr 2026) sits in our unverified raw history and is not treated as the record
Current level is 8% of this
🚽Sewage overflows nearby
Recent Water Levels
🌍 floodradar.co.uk
1 day
EA forecast (official)
Prediction V2
Prediction Eris
Nimbus beta
Experimental model fusing soil moisture, river flow, groundwater and catchment
character. The shaded band is its 10–90% range, widened so that about 80% of recent outcomes fall inside it.
Under evaluation — not yet promoted, so treat as a second opinion.
River Flow
90 days
Daily mean discharge (m³/s) with the daily min–max band, from the EA Hydrology API. Flow is the volume of water passing the gauge — often a more direct flood signal than level.
Flow Data: Daily mean flow (m³/s) to 6 Oct (2 days behind — the EA publishes each day's mean a day or two after it ends; unchecked, provisional)via EA Hydrology
EA Cross-check: 0.19 mASD (EA at 8 Oct 01:45)
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.
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.
14 storm overflows are traced upstream of this gauge, the nearest 7.2 km away along the river. 0 report discharging now, 14 report not discharging.
Anglian Water · into Sincil Dyke · 5.7 km away in a straight line · no mapped watercourse close enough to be sure
2 spills · 1 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 →
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 North Hykeham flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 8 areas linked to this gauge, nearest first.
Timing, not cause. Gauges can move together simply because the same rain fell on both.
Frequently asked questions
Is the River Witham at North Hykeham flooding today?
The current level is 0.19m, which is within the typical range of 0.16 to 2.11m. Flooding is unlikely at this level.
Is the river level rising or falling at North Hykeham?
Based on the most recent readings, the level is currently falling slightly. The chart above shows the last 12 hours of measurements by default (up to 7 days), updated roughly every 15 minutes.
Why is the level slowly falling?
When little or no rain has fallen for a while, a river level gradually drops as the water stored in the ground and soil drains away with nothing to replace it. This is called baseflow recession and is normal in dry spells. A gentle decline like this is expected and is not a sign of a problem — downstream gauges often recede a little faster than headwaters further upstream, and levels recover once rain returns.
What is a normal level for the River Witham at North Hykeham?
The typical range at this station is 0.16m to 2.11m, based on Environment Agency historical data. Levels above 2.11m 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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Free live river-level widget — ideal for parish councils, angling clubs and local sites. Updates automatically.
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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:
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