River level River Yarrow at Croston Dam

Check for flood warnings in this area

Latest recorded level 0.72m at 4:00pm Friday 18 September 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
2020-09-18T15:00Z	0.724	false
2020-09-18T14:45Z	0.723	false
2020-09-18T14:30Z	0.724	false
2020-09-18T14:15Z	0.725	false
2020-09-18T14:00Z	0.727	false
2020-09-18T13:45Z	0.729	false
2020-09-18T13:30Z	0.727	false
2020-09-18T13:15Z	0.728	false
2020-09-18T13:00Z	0.729	false
2020-09-18T12:45Z	0.728	false
2020-09-18T12:30Z	0.727	false
2020-09-18T12:15Z	0.728	false
2020-09-18T12:00Z	0.729	false
2020-09-18T11:45Z	0.728	false
2020-09-18T11:30Z	0.731	false
2020-09-18T11:15Z	0.733	false
2020-09-18T11:00Z	0.731	false
2020-09-18T10:45Z	0.734	false
2020-09-18T10:30Z	0.736	false
2020-09-18T10:15Z	0.734	false
2020-09-18T10:00Z	0.732	false
2020-09-18T09:45Z	0.732	false
2020-09-18T09:30Z	0.731	false
2020-09-18T09:15Z	0.729	false
2020-09-18T09:00Z	0.722	false
2020-09-18T08:45Z	0.719	false
2020-09-18T08:30Z	0.716	false
2020-09-18T08:15Z	0.715	false
2020-09-18T08:00Z	0.71	false
2020-09-18T07:45Z	0.712	false
2020-09-18T07:30Z	0.712	false
2020-09-18T07:15Z	0.714	false
2020-09-18T07:00Z	0.714	false
2020-09-18T06:45Z	0.714	false
2020-09-18T06:30Z	0.716	false
2020-09-18T06:15Z	0.716	false
2020-09-18T06:00Z	0.716	false
2020-09-18T05:45Z	0.715	false
2020-09-18T05:30Z	0.716	false
2020-09-18T05:15Z	0.712	false
2020-09-18T05:00Z	0.709	false
2020-09-18T04:45Z	0.701	false
2020-09-18T04:30Z	0.705	false
2020-09-18T04:15Z	0.709	false
2020-09-18T04:00Z	0.712	false
2020-09-18T03:45Z	0.715	false
2020-09-18T03:30Z	0.717	false
2020-09-18T03:15Z	0.715	false
2020-09-18T03:00Z	0.711	false
2020-09-18T02:45Z	0.708	false
2020-09-18T02:30Z	0.706	false
2020-09-18T02:15Z	0.716	false
2020-09-18T02:00Z	0.719	false
2020-09-18T01:45Z	0.721	false
2020-09-18T01:30Z	0.722	false
2020-09-18T01:15Z	0.722	false
2020-09-18T01:00Z	0.722	false
2020-09-18T00:45Z	0.715	false
2020-09-18T00:30Z	0.715	false
2020-09-18T00:15Z	0.722	false
2020-09-18T00:00Z	0.729	false
2020-09-17T23:45Z	0.732	false
2020-09-17T23:30Z	0.731	false
2020-09-17T23:15Z	0.725	false
2020-09-17T23:00Z	0.721	false
2020-09-17T22:45Z	0.72	false
2020-09-17T22:30Z	0.726	false
2020-09-17T22:15Z	0.728	false
2020-09-17T22:00Z	0.732	false
2020-09-17T21:45Z	0.734	false
2020-09-17T21:30Z	0.732	false
2020-09-17T21:15Z	0.73	false
2020-09-17T21:00Z	0.73	false
2020-09-17T20:45Z	0.728	false
2020-09-17T20:30Z	0.728	false
2020-09-17T20:15Z	0.726	false
2020-09-17T20:00Z	0.727	false
2020-09-17T19:45Z	0.724	false
2020-09-17T19:30Z	0.725	false
2020-09-17T19:15Z	0.726	false
2020-09-17T19:00Z	0.717	false
2020-09-17T18:45Z	0.719	false
2020-09-17T18:30Z	0.719	false
2020-09-17T18:15Z	0.72	false
2020-09-17T18:00Z	0.721	false
2020-09-17T17:45Z	0.718	false
2020-09-17T17:30Z	0.72	false
2020-09-17T17:15Z	0.721	false
2020-09-17T17:00Z	0.721	false
2020-09-17T16:45Z	0.716	false
2020-09-17T16:30Z	0.722	false
2020-09-17T16:15Z	0.723	false
2020-09-17T16:00Z	0.719	false
2020-09-17T15:45Z	0.719	false
2020-09-17T15:30Z	0.723	false
2020-09-17T15:15Z	0.721	false
2020-09-17T15:00Z	0.721	false
2020-09-17T14:45Z	0.724	false
2020-09-17T14:30Z	0.725	false
2020-09-17T14:15Z	0.721	false
2020-09-17T14:00Z	0.723	false
2020-09-17T13:45Z	0.729	false
2020-09-17T13:30Z	0.73	false
2020-09-17T13:15Z	0.728	false
2020-09-17T13:00Z	0.726	false
2020-09-17T12:45Z	0.726	false
2020-09-17T12:30Z	0.725	false
2020-09-17T12:15Z	0.727	false
2020-09-17T12:00Z	0.729	false
2020-09-17T11:45Z	0.73	false
2020-09-17T11:30Z	0.729	false
2020-09-17T11:15Z	0.732	false
2020-09-17T11:00Z	0.734	false
2020-09-17T10:45Z	0.731	false
2020-09-17T10:30Z	0.733	false
2020-09-17T10:15Z	0.732	false
2020-09-17T10:00Z	0.731	false
2020-09-17T09:45Z	0.73	false
2020-09-17T09:30Z	0.727	false
2020-09-17T09:15Z	0.725	false
2020-09-17T09:00Z	0.718	false
2020-09-17T08:45Z	0.718	false
2020-09-17T08:30Z	0.714	false
2020-09-17T08:15Z	0.716	false
2020-09-17T08:00Z	0.711	false
2020-09-17T07:45Z	0.71	false
2020-09-17T07:30Z	0.71	false
2020-09-17T07:15Z	0.712	false
2020-09-17T07:00Z	0.71	false
2020-09-17T06:45Z	0.712	false
2020-09-17T06:30Z	0.711	false
2020-09-17T06:15Z	0.713	false
2020-09-17T06:00Z	0.715	false
2020-09-17T05:45Z	0.713	false
2020-09-17T05:30Z	0.715	false
2020-09-17T05:15Z	0.714	false
2020-09-17T05:00Z	0.708	false
2020-09-17T04:45Z	0.702	false
2020-09-17T04:30Z	0.705	false
2020-09-17T04:15Z	0.709	false
2020-09-17T04:00Z	0.713	false
2020-09-17T03:45Z	0.717	false
2020-09-17T03:30Z	0.715	false
2020-09-17T03:15Z	0.715	false
2020-09-17T03:00Z	0.713	false
2020-09-17T02:45Z	0.707	false
2020-09-17T02:30Z	0.712	false
2020-09-17T02:15Z	0.716	false
2020-09-17T02:00Z	0.721	false
2020-09-17T01:45Z	0.722	false
2020-09-17T01:30Z	0.72	false
2020-09-17T01:15Z	0.717	false
2020-09-17T01:00Z	0.715	false
2020-09-17T00:45Z	0.715	false
2020-09-17T00:30Z	0.719	false
2020-09-17T00:15Z	0.722	false
2020-09-17T00:00Z	0.729	false
2020-09-16T23:45Z	0.73	false
2020-09-16T23:30Z	0.735	false
2020-09-16T23:15Z	0.73	false
2020-09-16T23:00Z	0.726	false
2020-09-16T22:45Z	0.724	false
2020-09-16T22:30Z	0.731	false
2020-09-16T22:15Z	0.728	false
2020-09-16T22:00Z	0.73	false
2020-09-16T21:45Z	0.732	false
2020-09-16T21:30Z	0.73	false
2020-09-16T21:15Z	0.731	false
2020-09-16T21:00Z	0.729	false
2020-09-16T20:45Z	0.729	false
2020-09-16T20:30Z	0.73	false
2020-09-16T20:15Z	0.725	false
2020-09-16T20:00Z	0.726	false
2020-09-16T19:45Z	0.728	false
2020-09-16T19:30Z	0.725	false
2020-09-16T19:15Z	0.723	false
2020-09-16T19:00Z	0.718	false
2020-09-16T18:45Z	0.718	false
2020-09-16T18:30Z	0.723	false
2020-09-16T18:15Z	0.723	false
2020-09-16T18:00Z	0.721	false
2020-09-16T17:45Z	0.719	false
2020-09-16T17:30Z	0.722	false
2020-09-16T17:15Z	0.72	false
2020-09-16T17:00Z	0.722	false
2020-09-16T16:45Z	0.724	false
2020-09-16T16:30Z	0.721	false
2020-09-16T16:15Z	0.726	false
2020-09-16T16:00Z	0.724	false
2020-09-16T15:45Z	0.725	false
2020-09-16T15:30Z	0.723	false
2020-09-16T15:15Z	0.727	false
2020-09-16T15:00Z	0.725	false
2020-09-16T14:45Z	0.723	false
2020-09-16T14:30Z	0.728	false
2020-09-16T14:15Z	0.729	false
2020-09-16T14:00Z	0.726	false
2020-09-16T13:45Z	0.725	false
2020-09-16T13:30Z	0.726	false
2020-09-16T13:15Z	0.728	false
2020-09-16T13:00Z	0.725	false
2020-09-16T12:45Z	0.729	false
2020-09-16T12:30Z	0.729	false
2020-09-16T12:15Z	0.727	false
2020-09-16T12:00Z	0.732	false
2020-09-16T11:45Z	0.731	false
2020-09-16T11:30Z	0.732	false
2020-09-16T11:15Z	0.733	false
2020-09-16T11:00Z	0.73	false
2020-09-16T10:45Z	0.731	false
2020-09-16T10:30Z	0.733	false
2020-09-16T10:15Z	0.738	false
2020-09-16T10:00Z	0.736	false
2020-09-16T09:45Z	0.734	false
2020-09-16T09:30Z	0.737	false
2020-09-16T09:15Z	0.727	false
2020-09-16T09:00Z	0.729	false
2020-09-16T08:45Z	0.723	false
2020-09-16T08:30Z	0.72	false
2020-09-16T08:15Z	0.722	false
2020-09-16T08:00Z	0.717	false
2020-09-16T07:45Z	0.716	false
2020-09-16T07:30Z	0.717	false
2020-09-16T07:15Z	0.716	false
2020-09-16T07:00Z	0.719	false
2020-09-16T06:45Z	0.715	false
2020-09-16T06:30Z	0.717	false
2020-09-16T06:15Z	0.718	false
2020-09-16T06:00Z	0.719	false
2020-09-16T05:45Z	0.718	false
2020-09-16T05:30Z	0.72	false
2020-09-16T05:15Z	0.722	false
2020-09-16T05:00Z	0.719	false
2020-09-16T04:45Z	0.709	false
2020-09-16T04:30Z	0.71	false
2020-09-16T04:15Z	0.718	false
2020-09-16T04:00Z	0.724	false
2020-09-16T03:45Z	0.716	false
2020-09-16T03:30Z	0.717	false
2020-09-16T03:15Z	0.719	false
2020-09-16T03:00Z	0.717	false
2020-09-16T02:45Z	0.709	false
2020-09-16T02:30Z	0.71	false
2020-09-16T02:15Z	0.722	false
2020-09-16T02:00Z	0.723	false
2020-09-16T01:45Z	0.726	false
2020-09-16T01:30Z	0.731	false
2020-09-16T01:15Z	0.731	false
2020-09-16T01:00Z	0.728	false
2020-09-16T00:45Z	0.722	false
2020-09-16T00:30Z	0.72	false
2020-09-16T00:15Z	0.731	false
2020-09-16T00:00Z	0.735	false
2020-09-15T23:45Z	0.734	false
2020-09-15T23:30Z	0.737	false
2020-09-15T23:15Z	0.732	false
2020-09-15T23:00Z	0.732	false
2020-09-15T22:45Z	0.73	false
2020-09-15T22:30Z	0.733	false
2020-09-15T22:15Z	0.741	false
2020-09-15T22:00Z	0.749	false
2020-09-15T21:45Z	0.753	false
2020-09-15T21:30Z	0.754	false
2020-09-15T21:15Z	0.753	false
2020-09-15T21:00Z	0.741	false
2020-09-15T20:45Z	0.739	false
2020-09-15T20:30Z	0.735	false
2020-09-15T20:15Z	0.734	false
2020-09-15T20:00Z	0.731	false
2020-09-15T19:45Z	0.731	false
2020-09-15T19:30Z	0.726	false
2020-09-15T19:15Z	0.729	false
2020-09-15T19:00Z	0.728	false
2020-09-15T18:45Z	0.723	false
2020-09-15T18:30Z	0.725	false
2020-09-15T18:15Z	0.723	false
2020-09-15T18:00Z	0.722	false
2020-09-15T17:45Z	0.722	false
2020-09-15T17:30Z	0.72	false
2020-09-15T17:15Z	0.724	false
2020-09-15T17:00Z	0.725	false
2020-09-15T16:45Z	0.726	false
2020-09-15T16:30Z	0.723	false
2020-09-15T16:15Z	0.726	false
2020-09-15T16:00Z	0.726	false
2020-09-15T15:45Z	0.724	false
2020-09-15T15:30Z	0.722	false
2020-09-15T15:15Z	0.725	false
2020-09-15T15:00Z	0.724	false
2020-09-15T14:45Z	0.728	false
2020-09-15T14:30Z	0.725	false
2020-09-15T14:15Z	0.729	false
2020-09-15T14:00Z	0.733	false
2020-09-15T13:45Z	0.725	false
2020-09-15T13:30Z	0.729	false
2020-09-15T13:15Z	0.729	false
2020-09-15T13:00Z	0.726	false
2020-09-15T12:45Z	0.731	false
2020-09-15T12:30Z	0.735	false
2020-09-15T12:15Z	0.728	false
2020-09-15T12:00Z	0.732	false
2020-09-15T11:45Z	0.733	false
2020-09-15T11:30Z	0.735	false
2020-09-15T11:15Z	0.738	false
2020-09-15T11:00Z	0.738	false
2020-09-15T10:45Z	0.738	false
2020-09-15T10:30Z	0.734	false
2020-09-15T10:15Z	0.74	false
2020-09-15T10:00Z	0.739	false
2020-09-15T09:45Z	0.734	false
2020-09-15T09:30Z	0.729	false
2020-09-15T09:15Z	0.728	false
2020-09-15T09:00Z	0.729	false
2020-09-15T08:45Z	0.722	false
2020-09-15T08:30Z	0.72	false
2020-09-15T08:15Z	0.717	false
2020-09-15T08:00Z	0.718	false
2020-09-15T07:45Z	0.716	false
2020-09-15T07:30Z	0.713	false
2020-09-15T07:15Z	0.716	false
2020-09-15T07:00Z	0.714	false
2020-09-15T06:45Z	0.719	false
2020-09-15T06:30Z	0.716	false
2020-09-15T06:15Z	0.718	false
2020-09-15T06:00Z	0.718	false
2020-09-15T05:45Z	0.72	false
2020-09-15T05:30Z	0.717	false
2020-09-15T05:15Z	0.72	false
2020-09-15T05:00Z	0.716	false
2020-09-15T04:45Z	0.708	false
2020-09-15T04:30Z	0.712	false
2020-09-15T04:15Z	0.716	false
2020-09-15T04:00Z	0.721	false
2020-09-15T03:45Z	0.721	false
2020-09-15T03:30Z	0.721	false
2020-09-15T03:15Z	0.719	false
2020-09-15T03:00Z	0.716	false
2020-09-15T02:45Z	0.712	false
2020-09-15T02:30Z	0.715	false
2020-09-15T02:15Z	0.719	false
2020-09-15T02:00Z	0.724	false
2020-09-15T01:45Z	0.73	false
2020-09-15T01:30Z	0.729	false
2020-09-15T01:15Z	0.728	false
2020-09-15T01:00Z	0.728	false
2020-09-15T00:45Z	0.721	false
2020-09-15T00:30Z	0.722	false
2020-09-15T00:15Z	0.728	false
2020-09-15T00:00Z	0.732	false
2020-09-14T23:45Z	0.732	false
2020-09-14T23:30Z	0.735	false
2020-09-14T23:15Z	0.729	false
2020-09-14T23:00Z	0.726	false
2020-09-14T22:45Z	0.726	false
2020-09-14T22:30Z	0.729	false
2020-09-14T22:15Z	0.734	false
2020-09-14T22:00Z	0.733	false
2020-09-14T21:45Z	0.731	false
2020-09-14T21:30Z	0.735	false
2020-09-14T21:15Z	0.731	false
2020-09-14T21:00Z	0.73	false
2020-09-14T20:45Z	0.729	false
2020-09-14T20:30Z	0.732	false
2020-09-14T20:15Z	0.729	false
2020-09-14T20:00Z	0.732	false
2020-09-14T19:45Z	0.728	false
2020-09-14T19:30Z	0.729	false
2020-09-14T19:15Z	0.729	false
2020-09-14T19:00Z	0.729	false
2020-09-14T18:45Z	0.727	false
2020-09-14T18:30Z	0.723	false
2020-09-14T18:15Z	0.726	false
2020-09-14T18:00Z	0.732	false
2020-09-14T17:45Z	0.725	false
2020-09-14T17:30Z	0.725	false
2020-09-14T17:15Z	0.723	false
2020-09-14T17:00Z	0.723	false
2020-09-14T16:45Z	0.726	false
2020-09-14T16:30Z	0.725	false
2020-09-14T16:15Z	0.726	false
2020-09-14T16:00Z	0.728	false
2020-09-14T15:45Z	0.727	false
2020-09-14T15:30Z	0.731	false
2020-09-14T15:15Z	0.729	false
2020-09-14T15:00Z	0.732	false
2020-09-14T14:45Z	0.732	false
2020-09-14T14:30Z	0.729	false
2020-09-14T14:15Z	0.73	false
2020-09-14T14:00Z	0.73	false
2020-09-14T13:45Z	0.732	false
2020-09-14T13:30Z	0.732	false
2020-09-14T13:15Z	0.734	false
2020-09-14T13:00Z	0.734	false
2020-09-14T12:45Z	0.732	false
2020-09-14T12:30Z	0.738	false
2020-09-14T12:15Z	0.737	false
2020-09-14T12:00Z	0.734	false
2020-09-14T11:45Z	0.742	false
2020-09-14T11:30Z	0.739	false
2020-09-14T11:15Z	0.739	false
2020-09-14T11:00Z	0.741	false
2020-09-14T10:45Z	0.738	false
2020-09-14T10:30Z	0.742	false
2020-09-14T10:15Z	0.739	false
2020-09-14T10:00Z	0.737	false
2020-09-14T09:45Z	0.737	false
2020-09-14T09:30Z	0.734	false
2020-09-14T09:15Z	0.734	false
2020-09-14T09:00Z	0.73	false
2020-09-14T08:45Z	0.73	false
2020-09-14T08:30Z	0.725	false
2020-09-14T08:15Z	0.722	false
2020-09-14T08:00Z	0.722	false
2020-09-14T07:45Z	0.721	false
2020-09-14T07:30Z	0.716	false
2020-09-14T07:15Z	0.718	false
2020-09-14T07:00Z	0.72	false
2020-09-14T06:45Z	0.72	false
2020-09-14T06:30Z	0.721	false
2020-09-14T06:15Z	0.72	false
2020-09-14T06:00Z	0.724	false
2020-09-14T05:45Z	0.722	false
2020-09-14T05:30Z	0.722	false
2020-09-14T05:15Z	0.722	false
2020-09-14T05:00Z	0.715	false
2020-09-14T04:45Z	0.712	false
2020-09-14T04:30Z	0.711	false
2020-09-14T04:15Z	0.719	false
2020-09-14T04:00Z	0.722	false
2020-09-14T03:45Z	0.725	false
2020-09-14T03:30Z	0.722	false
2020-09-14T03:15Z	0.722	false
2020-09-14T03:00Z	0.722	false
2020-09-14T02:45Z	0.716	false
2020-09-14T02:30Z	0.716	false
2020-09-14T02:15Z	0.726	false
2020-09-14T02:00Z	0.727	false
2020-09-14T01:45Z	0.732	false
2020-09-14T01:30Z	0.731	false
2020-09-14T01:15Z	0.735	false
2020-09-14T01:00Z	0.731	false
2020-09-14T00:45Z	0.724	false
2020-09-14T00:30Z	0.722	false
2020-09-14T00:15Z	0.726	false
2020-09-14T00:00Z	0.736	false
2020-09-13T23:45Z	0.738	false
2020-09-13T23:30Z	0.737	false
2020-09-13T23:15Z	0.74	false
2020-09-13T23:00Z	0.735	false
2020-09-13T22:45Z	0.732	false
2020-09-13T22:30Z	0.733	false
2020-09-13T22:15Z	0.738	false
2020-09-13T22:00Z	0.741	false
2020-09-13T21:45Z	0.736	false
2020-09-13T21:30Z	0.736	false
2020-09-13T21:15Z	0.739	false
2020-09-13T21:00Z	0.741	false
2020-09-13T20:45Z	0.738	false
2020-09-13T20:30Z	0.738	false
2020-09-13T20:15Z	0.733	false
2020-09-13T20:00Z	0.735	false
2020-09-13T19:45Z	0.731	false
2020-09-13T19:30Z	0.732	false
2020-09-13T19:15Z	0.731	false
2020-09-13T19:00Z	0.734	false
2020-09-13T18:45Z	0.734	false
2020-09-13T18:30Z	0.731	false
2020-09-13T18:15Z	0.731	false
2020-09-13T18:00Z	0.73	false
2020-09-13T17:45Z	0.735	false
2020-09-13T17:30Z	0.737	false
2020-09-13T17:15Z	0.732	false
2020-09-13T17:00Z	0.733	false
2020-09-13T16:45Z	0.732	false
2020-09-13T16:30Z	0.735	false
2020-09-13T16:15Z	0.734	false
2020-09-13T16:00Z	0.737	false
2020-09-13T15:45Z	0.737	false
2020-09-13T15:30Z	0.735	false
2020-09-13T15:15Z	0.738	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
• Check the long term flood risk for an area in England.

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