River level River Yarrow at Croston Dam

Check for flood warnings in this area

Latest recorded level 0.57m at 4:00pm Friday 29 May 2020.

River levels at this location in the last 5 days

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• Measured level
• When the water level reaches 3.36m here, minor flooding is possible in this area
• Highest recorded level. Hide
• Show highest recorded level

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Observed data

DateTime	Value	Error
2020-05-29T15:00Z	0.57	false
2020-05-29T14:45Z	0.57	false
2020-05-29T14:30Z	0.569	false
2020-05-29T14:15Z	0.571	false
2020-05-29T14:00Z	0.572	false
2020-05-29T13:45Z	0.571	false
2020-05-29T13:30Z	0.573	false
2020-05-29T13:15Z	0.573	false
2020-05-29T13:00Z	0.575	false
2020-05-29T12:45Z	0.574	false
2020-05-29T12:30Z	0.57	false
2020-05-29T12:15Z	0.571	false
2020-05-29T12:00Z	0.57	false
2020-05-29T11:45Z	0.565	false
2020-05-29T11:30Z	0.564	false
2020-05-29T11:15Z	0.56	false
2020-05-29T11:00Z	0.552	false
2020-05-29T10:45Z	0.552	false
2020-05-29T10:30Z	0.547	false
2020-05-29T10:15Z	0.543	false
2020-05-29T10:00Z	0.54	false
2020-05-29T09:45Z	0.541	false
2020-05-29T09:30Z	0.538	false
2020-05-29T09:15Z	0.541	false
2020-05-29T09:00Z	0.54	false
2020-05-29T08:45Z	0.542	false
2020-05-29T08:30Z	0.542	false
2020-05-29T08:15Z	0.546	false
2020-05-29T08:00Z	0.54	false
2020-05-29T07:45Z	0.543	false
2020-05-29T07:30Z	0.543	false
2020-05-29T07:15Z	0.543	false
2020-05-29T07:00Z	0.547	false
2020-05-29T06:45Z	0.542	false
2020-05-29T06:30Z	0.538	false
2020-05-29T06:15Z	0.536	false
2020-05-29T06:00Z	0.54	false
2020-05-29T05:45Z	0.542	false
2020-05-29T05:30Z	0.546	false
2020-05-29T05:15Z	0.554	false
2020-05-29T05:00Z	0.551	false
2020-05-29T04:45Z	0.55	false
2020-05-29T04:30Z	0.548	false
2020-05-29T04:15Z	0.545	false
2020-05-29T04:00Z	0.544	false
2020-05-29T03:45Z	0.545	false
2020-05-29T03:30Z	0.553	false
2020-05-29T03:15Z	0.559	false
2020-05-29T03:00Z	0.562	false
2020-05-29T02:45Z	0.566	false
2020-05-29T02:30Z	0.566	false
2020-05-29T02:15Z	0.56	false
2020-05-29T02:00Z	0.554	false
2020-05-29T01:45Z	0.556	false
2020-05-29T01:30Z	0.561	false
2020-05-29T01:15Z	0.561	false
2020-05-29T01:00Z	0.566	false
2020-05-29T00:45Z	0.573	false
2020-05-29T00:30Z	0.576	false
2020-05-29T00:15Z	0.573	false
2020-05-29T00:00Z	0.57	false
2020-05-28T23:45Z	0.565	false
2020-05-28T23:30Z	0.562	false
2020-05-28T23:15Z	0.569	false
2020-05-28T23:00Z	0.575	false
2020-05-28T22:45Z	0.578	false
2020-05-28T22:30Z	0.576	false
2020-05-28T22:15Z	0.574	false
2020-05-28T22:00Z	0.568	false
2020-05-28T21:45Z	0.559	false
2020-05-28T21:30Z	0.557	false
2020-05-28T21:15Z	0.561	false
2020-05-28T21:00Z	0.562	false
2020-05-28T20:45Z	0.562	false
2020-05-28T20:30Z	0.562	false
2020-05-28T20:15Z	0.561	false
2020-05-28T20:00Z	0.563	false
2020-05-28T19:45Z	0.561	false
2020-05-28T19:30Z	0.559	false
2020-05-28T19:15Z	0.559	false
2020-05-28T19:00Z	0.56	false
2020-05-28T18:45Z	0.561	false
2020-05-28T18:30Z	0.556	false
2020-05-28T18:15Z	0.558	false
2020-05-28T18:00Z	0.561	false
2020-05-28T17:45Z	0.564	false
2020-05-28T17:30Z	0.564	false
2020-05-28T17:15Z	0.563	false
2020-05-28T17:00Z	0.57	false
2020-05-28T16:45Z	0.568	false
2020-05-28T16:30Z	0.568	false
2020-05-28T16:15Z	0.568	false
2020-05-28T16:00Z	0.568	false
2020-05-28T15:45Z	0.567	false
2020-05-28T15:30Z	0.57	false
2020-05-28T15:15Z	0.57	false
2020-05-28T15:00Z	0.571	false
2020-05-28T14:45Z	0.573	false
2020-05-28T14:30Z	0.572	false
2020-05-28T14:15Z	0.571	false
2020-05-28T14:00Z	0.572	false
2020-05-28T13:45Z	0.573	false
2020-05-28T13:30Z	0.574	false
2020-05-28T13:15Z	0.575	false
2020-05-28T13:00Z	0.575	false
2020-05-28T12:45Z	0.574	false
2020-05-28T12:30Z	0.572	false
2020-05-28T12:15Z	0.572	false
2020-05-28T12:00Z	0.568	false
2020-05-28T11:45Z	0.564	false
2020-05-28T11:30Z	0.563	false
2020-05-28T11:15Z	0.557	false
2020-05-28T11:00Z	0.557	false
2020-05-28T10:45Z	0.553	false
2020-05-28T10:30Z	0.552	false
2020-05-28T10:15Z	0.551	false
2020-05-28T10:00Z	0.547	false
2020-05-28T09:45Z	0.547	false
2020-05-28T09:30Z	0.547	false
2020-05-28T09:15Z	0.544	false
2020-05-28T09:00Z	0.542	false
2020-05-28T08:45Z	0.542	false
2020-05-28T08:30Z	0.542	false
2020-05-28T08:15Z	0.541	false
2020-05-28T08:00Z	0.541	false
2020-05-28T07:45Z	0.546	false
2020-05-28T07:30Z	0.548	false
2020-05-28T07:15Z	0.551	false
2020-05-28T07:00Z	0.552	false
2020-05-28T06:45Z	0.551	false
2020-05-28T06:30Z	0.547	false
2020-05-28T06:15Z	0.546	false
2020-05-28T06:00Z	0.543	false
2020-05-28T05:45Z	0.545	false
2020-05-28T05:30Z	0.55	false
2020-05-28T05:15Z	0.554	false
2020-05-28T05:00Z	0.551	false
2020-05-28T04:45Z	0.555	false
2020-05-28T04:30Z	0.552	false
2020-05-28T04:15Z	0.55	false
2020-05-28T04:00Z	0.545	false
2020-05-28T03:45Z	0.549	false
2020-05-28T03:30Z	0.555	false
2020-05-28T03:15Z	0.557	false
2020-05-28T03:00Z	0.564	false
2020-05-28T02:45Z	0.567	false
2020-05-28T02:30Z	0.57	false
2020-05-28T02:15Z	0.564	false
2020-05-28T02:00Z	0.562	false
2020-05-28T01:45Z	0.559	false
2020-05-28T01:30Z	0.561	false
2020-05-28T01:15Z	0.569	false
2020-05-28T01:00Z	0.572	false
2020-05-28T00:45Z	0.577	false
2020-05-28T00:30Z	0.578	false
2020-05-28T00:15Z	0.583	false
2020-05-28T00:00Z	0.579	false
2020-05-27T23:45Z	0.569	false
2020-05-27T23:30Z	0.569	false
2020-05-27T23:15Z	0.575	false
2020-05-27T23:00Z	0.577	false
2020-05-27T22:45Z	0.584	false
2020-05-27T22:30Z	0.583	false
2020-05-27T22:15Z	0.579	false
2020-05-27T22:00Z	0.575	false
2020-05-27T21:45Z	0.568	false
2020-05-27T21:30Z	0.566	false
2020-05-27T21:15Z	0.571	false
2020-05-27T21:00Z	0.573	false
2020-05-27T20:45Z	0.572	false
2020-05-27T20:30Z	0.571	false
2020-05-27T20:15Z	0.569	false
2020-05-27T20:00Z	0.568	false
2020-05-27T19:45Z	0.57	false
2020-05-27T19:30Z	0.569	false
2020-05-27T19:15Z	0.564	false
2020-05-27T19:00Z	0.565	false
2020-05-27T18:45Z	0.562	false
2020-05-27T18:30Z	0.564	false
2020-05-27T18:15Z	0.565	false
2020-05-27T18:00Z	0.566	false
2020-05-27T17:45Z	0.565	false
2020-05-27T17:30Z	0.566	false
2020-05-27T17:15Z	0.568	false
2020-05-27T17:00Z	0.572	false
2020-05-27T16:45Z	0.569	false
2020-05-27T16:30Z	0.568	false
2020-05-27T16:15Z	0.567	false
2020-05-27T16:00Z	0.571	false
2020-05-27T15:45Z	0.572	false
2020-05-27T15:30Z	0.573	false
2020-05-27T15:15Z	0.571	false
2020-05-27T15:00Z	0.572	false
2020-05-27T14:45Z	0.571	false
2020-05-27T14:30Z	0.575	false
2020-05-27T14:15Z	0.574	false
2020-05-27T14:00Z	0.576	false
2020-05-27T13:45Z	0.577	false
2020-05-27T13:30Z	0.572	false
2020-05-27T13:15Z	0.576	false
2020-05-27T13:00Z	0.572	false
2020-05-27T12:45Z	0.574	false
2020-05-27T12:30Z	0.573	false
2020-05-27T12:15Z	0.575	false
2020-05-27T12:00Z	0.574	false
2020-05-27T11:45Z	0.57	false
2020-05-27T11:30Z	0.568	false
2020-05-27T11:15Z	0.567	false
2020-05-27T11:00Z	0.563	false
2020-05-27T10:45Z	0.556	false
2020-05-27T10:30Z	0.551	false
2020-05-27T10:15Z	0.552	false
2020-05-27T10:00Z	0.548	false
2020-05-27T09:45Z	0.547	false
2020-05-27T09:30Z	0.546	false
2020-05-27T09:15Z	0.543	false
2020-05-27T09:00Z	0.548	false
2020-05-27T08:45Z	0.545	false
2020-05-27T08:30Z	0.545	false
2020-05-27T08:15Z	0.549	false
2020-05-27T08:00Z	0.547	false
2020-05-27T07:45Z	0.548	false
2020-05-27T07:30Z	0.551	false
2020-05-27T07:15Z	0.549	false
2020-05-27T07:00Z	0.549	false
2020-05-27T06:45Z	0.549	false
2020-05-27T06:30Z	0.545	false
2020-05-27T06:15Z	0.541	false
2020-05-27T06:00Z	0.542	false
2020-05-27T05:45Z	0.548	false
2020-05-27T05:30Z	0.549	false
2020-05-27T05:15Z	0.553	false
2020-05-27T05:00Z	0.554	false
2020-05-27T04:45Z	0.557	false
2020-05-27T04:30Z	0.552	false
2020-05-27T04:15Z	0.547	false
2020-05-27T04:00Z	0.551	false
2020-05-27T03:45Z	0.552	false
2020-05-27T03:30Z	0.559	false
2020-05-27T03:15Z	0.561	false
2020-05-27T03:00Z	0.567	false
2020-05-27T02:45Z	0.569	false
2020-05-27T02:30Z	0.573	false
2020-05-27T02:15Z	0.571	false
2020-05-27T02:00Z	0.565	false
2020-05-27T01:45Z	0.561	false
2020-05-27T01:30Z	0.566	false
2020-05-27T01:15Z	0.569	false
2020-05-27T01:00Z	0.578	false
2020-05-27T00:45Z	0.58	false
2020-05-27T00:30Z	0.583	false
2020-05-27T00:15Z	0.581	false
2020-05-27T00:00Z	0.572	false
2020-05-26T23:45Z	0.569	false
2020-05-26T23:30Z	0.568	false
2020-05-26T23:15Z	0.57	false
2020-05-26T23:00Z	0.579	false
2020-05-26T22:45Z	0.58	false
2020-05-26T22:30Z	0.581	false
2020-05-26T22:15Z	0.581	false
2020-05-26T22:00Z	0.575	false
2020-05-26T21:45Z	0.566	false
2020-05-26T21:30Z	0.567	false
2020-05-26T21:15Z	0.571	false
2020-05-26T21:00Z	0.572	false
2020-05-26T20:45Z	0.571	false
2020-05-26T20:30Z	0.569	false
2020-05-26T20:15Z	0.571	false
2020-05-26T20:00Z	0.567	false
2020-05-26T19:45Z	0.569	false
2020-05-26T19:30Z	0.568	false
2020-05-26T19:15Z	0.567	false
2020-05-26T19:00Z	0.569	false
2020-05-26T18:45Z	0.568	false
2020-05-26T18:30Z	0.569	false
2020-05-26T18:15Z	0.567	false
2020-05-26T18:00Z	0.568	false
2020-05-26T17:45Z	0.565	false
2020-05-26T17:30Z	0.567	false
2020-05-26T17:15Z	0.57	false
2020-05-26T17:00Z	0.57	false
2020-05-26T16:45Z	0.57	false
2020-05-26T16:30Z	0.569	false
2020-05-26T16:15Z	0.567	false
2020-05-26T16:00Z	0.571	false
2020-05-26T15:45Z	0.571	false
2020-05-26T15:30Z	0.572	false
2020-05-26T15:15Z	0.569	false
2020-05-26T15:00Z	0.568	false
2020-05-26T14:45Z	0.571	false
2020-05-26T14:30Z	0.573	false
2020-05-26T14:15Z	0.574	false
2020-05-26T14:00Z	0.575	false
2020-05-26T13:45Z	0.576	false
2020-05-26T13:30Z	0.578	false
2020-05-26T13:15Z	0.576	false
2020-05-26T13:00Z	0.573	false
2020-05-26T12:45Z	0.57	false
2020-05-26T12:30Z	0.573	false
2020-05-26T12:15Z	0.575	false
2020-05-26T12:00Z	0.574	false
2020-05-26T11:45Z	0.571	false
2020-05-26T11:30Z	0.566	false
2020-05-26T11:15Z	0.565	false
2020-05-26T11:00Z	0.56	false
2020-05-26T10:45Z	0.555	false
2020-05-26T10:30Z	0.554	false
2020-05-26T10:15Z	0.553	false
2020-05-26T10:00Z	0.55	false
2020-05-26T09:45Z	0.547	false
2020-05-26T09:30Z	0.547	false
2020-05-26T09:15Z	0.548	false
2020-05-26T09:00Z	0.542	false
2020-05-26T08:45Z	0.545	false
2020-05-26T08:30Z	0.546	false
2020-05-26T08:15Z	0.545	false
2020-05-26T08:00Z	0.545	false
2020-05-26T07:45Z	0.546	false
2020-05-26T07:30Z	0.548	false
2020-05-26T07:15Z	0.552	false
2020-05-26T07:00Z	0.551	false
2020-05-26T06:45Z	0.549	false
2020-05-26T06:30Z	0.546	false
2020-05-26T06:15Z	0.542	false
2020-05-26T06:00Z	0.544	false
2020-05-26T05:45Z	0.544	false
2020-05-26T05:30Z	0.55	false
2020-05-26T05:15Z	0.553	false
2020-05-26T05:00Z	0.556	false
2020-05-26T04:45Z	0.552	false
2020-05-26T04:30Z	0.549	false
2020-05-26T04:15Z	0.544	false
2020-05-26T04:00Z	0.547	false
2020-05-26T03:45Z	0.554	false
2020-05-26T03:30Z	0.556	false
2020-05-26T03:15Z	0.561	false
2020-05-26T03:00Z	0.563	false
2020-05-26T02:45Z	0.566	false
2020-05-26T02:30Z	0.569	false
2020-05-26T02:15Z	0.565	false
2020-05-26T02:00Z	0.565	false
2020-05-26T01:45Z	0.562	false
2020-05-26T01:30Z	0.562	false
2020-05-26T01:15Z	0.571	false
2020-05-26T01:00Z	0.575	false
2020-05-26T00:45Z	0.581	false
2020-05-26T00:30Z	0.583	false
2020-05-26T00:15Z	0.581	false
2020-05-26T00:00Z	0.573	false
2020-05-25T23:45Z	0.569	false
2020-05-25T23:30Z	0.573	false
2020-05-25T23:15Z	0.576	false
2020-05-25T23:00Z	0.58	false
2020-05-25T22:45Z	0.581	false
2020-05-25T22:30Z	0.585	false
2020-05-25T22:15Z	0.583	false
2020-05-25T22:00Z	0.576	false
2020-05-25T21:45Z	0.566	false
2020-05-25T21:30Z	0.565	false
2020-05-25T21:15Z	0.566	false
2020-05-25T21:00Z	0.568	false
2020-05-25T20:45Z	0.568	false
2020-05-25T20:30Z	0.57	false
2020-05-25T20:15Z	0.568	false
2020-05-25T20:00Z	0.568	false
2020-05-25T19:45Z	0.567	false
2020-05-25T19:30Z	0.57	false
2020-05-25T19:15Z	0.567	false
2020-05-25T19:00Z	0.567	false
2020-05-25T18:45Z	0.567	false
2020-05-25T18:30Z	0.569	false
2020-05-25T18:15Z	0.57	false
2020-05-25T18:00Z	0.571	false
2020-05-25T17:45Z	0.57	false
2020-05-25T17:30Z	0.569	false
2020-05-25T17:15Z	0.571	false
2020-05-25T17:00Z	0.572	false
2020-05-25T16:45Z	0.571	false
2020-05-25T16:30Z	0.575	false
2020-05-25T16:15Z	0.581	false
2020-05-25T16:00Z	0.58	false
2020-05-25T15:45Z	0.577	false
2020-05-25T15:30Z	0.581	false
2020-05-25T15:15Z	0.578	false
2020-05-25T15:00Z	0.58	false
2020-05-25T14:45Z	0.579	false
2020-05-25T14:30Z	0.581	false
2020-05-25T14:15Z	0.582	false
2020-05-25T14:00Z	0.581	false
2020-05-25T13:45Z	0.581	false
2020-05-25T13:30Z	0.584	false
2020-05-25T13:15Z	0.583	false
2020-05-25T13:00Z	0.582	false
2020-05-25T12:45Z	0.574	false
2020-05-25T12:30Z	0.571	false
2020-05-25T12:15Z	0.568	false
2020-05-25T12:00Z	0.567	false
2020-05-25T11:45Z	0.564	false
2020-05-25T11:30Z	0.557	false
2020-05-25T11:15Z	0.552	false
2020-05-25T11:00Z	0.549	false
2020-05-25T10:45Z	0.549	false
2020-05-25T10:30Z	0.546	false
2020-05-25T10:15Z	0.546	false
2020-05-25T10:00Z	0.543	false
2020-05-25T09:45Z	0.548	false
2020-05-25T09:30Z	0.546	false
2020-05-25T09:15Z	0.548	false
2020-05-25T09:00Z	0.543	false
2020-05-25T08:45Z	0.547	false
2020-05-25T08:30Z	0.547	false
2020-05-25T08:15Z	0.55	false
2020-05-25T08:00Z	0.553	false
2020-05-25T07:45Z	0.552	false
2020-05-25T07:30Z	0.552	false
2020-05-25T07:15Z	0.549	false
2020-05-25T07:00Z	0.551	false
2020-05-25T06:45Z	0.547	false
2020-05-25T06:30Z	0.546	false
2020-05-25T06:15Z	0.538	false
2020-05-25T06:00Z	0.543	false
2020-05-25T05:45Z	0.547	false
2020-05-25T05:30Z	0.554	false
2020-05-25T05:15Z	0.559	false
2020-05-25T05:00Z	0.559	false
2020-05-25T04:45Z	0.56	false
2020-05-25T04:30Z	0.56	false
2020-05-25T04:15Z	0.552	false
2020-05-25T04:00Z	0.552	false
2020-05-25T03:45Z	0.554	false
2020-05-25T03:30Z	0.558	false
2020-05-25T03:15Z	0.564	false
2020-05-25T03:00Z	0.568	false
2020-05-25T02:45Z	0.57	false
2020-05-25T02:30Z	0.574	false
2020-05-25T02:15Z	0.565	false
2020-05-25T02:00Z	0.567	false
2020-05-25T01:45Z	0.563	false
2020-05-25T01:30Z	0.565	false
2020-05-25T01:15Z	0.571	false
2020-05-25T01:00Z	0.576	false
2020-05-25T00:45Z	0.58	false
2020-05-25T00:30Z	0.584	false
2020-05-25T00:15Z	0.587	false
2020-05-25T00:00Z	0.578	false
2020-05-24T23:45Z	0.57	false
2020-05-24T23:30Z	0.57	false
2020-05-24T23:15Z	0.576	false
2020-05-24T23:00Z	0.579	false
2020-05-24T22:45Z	0.588	false
2020-05-24T22:30Z	0.591	false
2020-05-24T22:15Z	0.589	false
2020-05-24T22:00Z	0.577	false
2020-05-24T21:45Z	0.569	false
2020-05-24T21:30Z	0.566	false
2020-05-24T21:15Z	0.573	false
2020-05-24T21:00Z	0.576	false
2020-05-24T20:45Z	0.573	false
2020-05-24T20:30Z	0.575	false
2020-05-24T20:15Z	0.57	false
2020-05-24T20:00Z	0.574	false
2020-05-24T19:45Z	0.57	false
2020-05-24T19:30Z	0.571	false
2020-05-24T19:15Z	0.57	false
2020-05-24T19:00Z	0.569	false
2020-05-24T18:45Z	0.573	false
2020-05-24T18:30Z	0.568	false
2020-05-24T18:15Z	0.57	false
2020-05-24T18:00Z	0.572	false
2020-05-24T17:45Z	0.574	false
2020-05-24T17:30Z	0.572	false
2020-05-24T17:15Z	0.572	false
2020-05-24T17:00Z	0.575	false
2020-05-24T16:45Z	0.576	false
2020-05-24T16:30Z	0.577	false
2020-05-24T16:15Z	0.577	false
2020-05-24T16:00Z	0.579	false
2020-05-24T15:45Z	0.578	false
2020-05-24T15:30Z	0.576	false
2020-05-24T15:15Z	0.578	false

Forecast data

Key information

• Station name: Croston Dam
• Station ID: 9114
• River name: River Yarrow
• Typical range: 0.43m to 3.36m
• Highest level on record: 6.60m on 30 September 2019
• Site datum: 9.40mAOD (what does this mean?)

How are river levels measured?

The Environment agency uses a network of monitoring stations across the country. Each one has its own datum - a height in metres fixed relative to mean sea level. This height is expressed as metres above ordnance datum (mAOD). The river levels we provide for each monitoring station are all relative to its site datum.

If we didn't do this, we'd show some very high measurements, which could cause confusion. By using a local site datum, the river levels are easier to understand, especially by users familiar with the data from a particular monitoring station.

A river's height above ordnance datum can be seen by adding the site datum to the river level.

How often are river levels measured?

We use measuring stations like this one to collect water level data, usually once or twice a day. We collect data more frequently when there's a greater risk of flooding. That's why the graph might show a short time lag since the last measurement.

How might river levels affect flood risk?

Typical range

This is the usual range of river levels at this station, based on historical data.

Above typical

This means that flooding is possible because river levels at this station are currently higher than usual.
Many factors can influence the possibility of flooding - river levels are only one indicator. Always check if there's a flood warning in place at a particular location.

Below typical

This means that river levels at this station are currently lower than usual.
Drought or water management measures may be in place. Please check for the latest information on water resources and restrictions in your area.

• View nearby measuring stations

• View the flood information service for England
• View your property's long term risk of flooding

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