York Castle Mills Sluices

Name: York Castle Mills Sluices River Level Data
Creator: FloodRadar

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▲ Above a heightTriggers when the level passes a height you choose. ✓ ↗ Rising fastTriggers when it's climbing more than 0.10 m/hr. ✓ 🚱 Sewage nearbyA storm overflow starts discharging within ~3 km. ✓

⤴ Unusual rise — FloodRadar+Top 1% rise rate for this gauge.

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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

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.

Recent Readings

Steady over 7h

13 Sep 20:00 ▼ -0.1 cm 7.582 mAOD

13 Sep 19:45 ▲ +0.1 cm 7.583 mAOD

13 Sep 19:30 ▬ steady 7.582 mAOD

13 Sep 19:00 ▬ steady 7.582 mAOD

13 Sep 18:45 ▼ -0.1 cm 7.582 mAOD

13 Sep 18:30 ▲ +0.1 cm 7.583 mAOD

13 Sep 18:15 ▬ steady 7.582 mAOD

13 Sep 18:00 ▬ steady 7.582 mAOD

13 Sep 17:45 ▼ -0.1 cm 7.582 mAOD

13 Sep 17:30 ▲ +0.1 cm 7.583 mAOD

13 Sep 17:15 ▬ steady 7.582 mAOD

13 Sep 17:00 ▬ steady 7.582 mAOD

13 Sep 16:15 ▼ -0.1 cm 7.582 mAOD

13 Sep 15:45 ▬ steady 7.583 mAOD

13 Sep 15:15 ▬ steady 7.583 mAOD

13 Sep 14:45 ▬ steady 7.583 mAOD

13 Sep 14:15 ▬ steady 7.584 mAOD

13 Sep 13:45 ▲ +0.1 cm 7.583 mAOD

13 Sep 13:30 ▼ -0.1 cm 7.582 mAOD

13 Sep 13:00 7.583 mAOD

Flood history near this gauge

Official Environment Agency warnings issued since 2010 for the 24 flood areas linked to this gauge (nearest 0.3 km away).

215flood warnings 200flood alerts

Most recent flood warning: 14 Mar 2026 — River Ouse at York - riverside properties

Year by year

Year	Warnings	Alerts
2026	10	13
2025	11	14
2024	22	17
2023	27	15
2022	6	11
2021	22	13
2020	19	17
2019	12	17
2018	14	14
2017	4	12
2016	4	6
2015	20	9
2014	6	7
2013	5	10
2012	28	14
2011	5	10
2010	0	1

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 York Castle Mills Sluices flood history.

Station Details

Monitoring Station: York Castle Mills Sluices
Watercourse: River Foss
Nearest Town: York Castle Mills Sluices
County: York
Coordinates: 53°57'16"N 1°4'40"W (53.954489, -1.077675)
Open in: Google Maps · Apple Maps (opens your maps app)
Date Opened: 16 Feb 2007
Status: Active
Station Type: River level station

Station Reference: L2471
EA Gauge ID: L2471-level-stage-i-15_min-mAOD
Parameter: Level
Unit: mAOD
Typical rise rate: 1 cm/hr (p95 sustained over 90 days)
Typical data delay: ~22 min (measured reading→publication lag)
Tidal: No
Lock / structure: No
Catchment Area: Swale, Ure, Nidd and Upper Ouse
Typical Range: 7.508 – 7.798 mAOD
EA Cross-check: 7.58 mAOD (EA at 13 Sep 19:45)

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

Frequently asked questions

Is the River Foss at York Castle Mills Sluices flooding today?

The current level is 7.58m, which is within the typical range of 7.51 to 7.80m. Flooding is unlikely at this level.

Is the river level rising or falling at York Castle Mills Sluices?

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 Foss at York Castle Mills Sluices?

The typical range at this station is 7.51m to 7.80m, based on Environment Agency historical data. Levels above 7.80m 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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<iframe src="https://www.floodradar.co.uk/widget/york-york-castle-mills-sluices" width="340" height="286" style="border:none;max-width:100%;" loading="lazy" title="River level - FloodRadar"></iframe>

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