River level River Yarrow at Croston Dam

Check for flood warnings in this area

Latest recorded level 0.47m at 4:00pm Tuesday 16 July 2019.

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
2019-07-16T15:00Z	0.465	false
2019-07-16T14:45Z	0.463	false
2019-07-16T14:30Z	0.466	false
2019-07-16T14:15Z	0.47	false
2019-07-16T14:00Z	0.477	false
2019-07-16T13:45Z	0.484	false
2019-07-16T13:30Z	0.488	false
2019-07-16T13:15Z	0.496	false
2019-07-16T13:00Z	0.5	false
2019-07-16T12:45Z	0.499	false
2019-07-16T12:30Z	0.504	false
2019-07-16T12:15Z	0.507	false
2019-07-16T12:00Z	0.511	false
2019-07-16T11:45Z	0.51	false
2019-07-16T11:30Z	0.509	false
2019-07-16T11:15Z	0.509	false
2019-07-16T11:00Z	0.513	false
2019-07-16T10:45Z	0.511	false
2019-07-16T10:30Z	0.511	false
2019-07-16T10:15Z	0.511	false
2019-07-16T10:00Z	0.503	false
2019-07-16T09:45Z	0.499	false
2019-07-16T09:30Z	0.491	false
2019-07-16T09:15Z	0.487	false
2019-07-16T09:00Z	0.484	false
2019-07-16T08:45Z	0.483	false
2019-07-16T08:30Z	0.478	false
2019-07-16T08:15Z	0.478	false
2019-07-16T08:00Z	0.479	false
2019-07-16T07:45Z	0.478	false
2019-07-16T07:30Z	0.48	false
2019-07-16T07:15Z	0.479	false
2019-07-16T07:00Z	0.482	false
2019-07-16T06:45Z	0.48	false
2019-07-16T06:30Z	0.483	false
2019-07-16T06:15Z	0.481	false
2019-07-16T06:00Z	0.477	false
2019-07-16T05:45Z	0.475	false
2019-07-16T05:30Z	0.475	false
2019-07-16T05:15Z	0.48	false
2019-07-16T05:00Z	0.482	false
2019-07-16T04:45Z	0.486	false
2019-07-16T04:30Z	0.488	false
2019-07-16T04:15Z	0.484	false
2019-07-16T04:00Z	0.481	false
2019-07-16T03:45Z	0.482	false
2019-07-16T03:30Z	0.479	false
2019-07-16T03:15Z	0.486	false
2019-07-16T03:00Z	0.49	false
2019-07-16T02:45Z	0.5	false
2019-07-16T02:30Z	0.499	false
2019-07-16T02:15Z	0.5	false
2019-07-16T02:00Z	0.504	false
2019-07-16T01:45Z	0.497	false
2019-07-16T01:30Z	0.492	false
2019-07-16T01:15Z	0.492	false
2019-07-16T01:00Z	0.5	false
2019-07-16T00:45Z	0.503	false
2019-07-16T00:30Z	0.507	false
2019-07-16T00:15Z	0.507	false
2019-07-16T00:00Z	0.508	false
2019-07-15T23:45Z	0.5	false
2019-07-15T23:30Z	0.499	false
2019-07-15T23:15Z	0.495	false
2019-07-15T23:00Z	0.501	false
2019-07-15T22:45Z	0.507	false
2019-07-15T22:30Z	0.504	false
2019-07-15T22:15Z	0.51	false
2019-07-15T22:00Z	0.51	false
2019-07-15T21:45Z	0.507	false
2019-07-15T21:30Z	0.497	false
2019-07-15T21:15Z	0.493	false
2019-07-15T21:00Z	0.497	false
2019-07-15T20:45Z	0.495	false
2019-07-15T20:30Z	0.496	false
2019-07-15T20:15Z	0.496	false
2019-07-15T20:00Z	0.493	false
2019-07-15T19:45Z	0.495	false
2019-07-15T19:30Z	0.49	false
2019-07-15T19:15Z	0.495	false
2019-07-15T19:00Z	0.493	false
2019-07-15T18:45Z	0.496	false
2019-07-15T18:30Z	0.495	false
2019-07-15T18:15Z	0.496	false
2019-07-15T18:00Z	0.494	false
2019-07-15T17:45Z	0.49	false
2019-07-15T17:30Z	0.495	false
2019-07-15T17:15Z	0.495	false
2019-07-15T17:00Z	0.493	false
2019-07-15T16:45Z	0.498	false
2019-07-15T16:30Z	0.497	false
2019-07-15T16:15Z	0.497	false
2019-07-15T16:00Z	0.494	false
2019-07-15T15:45Z	0.496	false
2019-07-15T15:30Z	0.497	false
2019-07-15T15:15Z	0.498	false
2019-07-15T15:00Z	0.501	false
2019-07-15T14:45Z	0.499	false
2019-07-15T14:30Z	0.501	false
2019-07-15T14:15Z	0.499	false
2019-07-15T14:00Z	0.5	false
2019-07-15T13:45Z	0.503	false
2019-07-15T13:30Z	0.504	false
2019-07-15T13:15Z	0.508	false
2019-07-15T13:00Z	0.507	false
2019-07-15T12:45Z	0.507	false
2019-07-15T12:30Z	0.511	false
2019-07-15T12:15Z	0.513	false
2019-07-15T12:00Z	0.513	false
2019-07-15T11:45Z	0.516	false
2019-07-15T11:30Z	0.517	false
2019-07-15T11:15Z	0.517	false
2019-07-15T11:00Z	0.517	false
2019-07-15T10:45Z	0.516	false
2019-07-15T10:30Z	0.516	false
2019-07-15T10:15Z	0.514	false
2019-07-15T10:00Z	0.513	false
2019-07-15T09:45Z	0.509	false
2019-07-15T09:30Z	0.51	false
2019-07-15T09:15Z	0.516	false
2019-07-15T09:00Z	0.521	false
2019-07-15T08:45Z	0.534	false
2019-07-15T08:30Z	0.544	false
2019-07-15T08:15Z	0.548	false
2019-07-15T08:00Z	0.547	false
2019-07-15T07:45Z	0.547	false
2019-07-15T07:30Z	0.543	false
2019-07-15T07:15Z	0.531	false
2019-07-15T07:00Z	0.504	false
2019-07-15T06:45Z	0.493	false
2019-07-15T06:30Z	0.491	false
2019-07-15T06:15Z	0.49	false
2019-07-15T06:00Z	0.486	false
2019-07-15T05:45Z	0.484	false
2019-07-15T05:30Z	0.486	false
2019-07-15T05:15Z	0.486	false
2019-07-15T05:00Z	0.493	false
2019-07-15T04:45Z	0.496	false
2019-07-15T04:30Z	0.496	false
2019-07-15T04:15Z	0.494	false
2019-07-15T04:00Z	0.493	false
2019-07-15T03:45Z	0.491	false
2019-07-15T03:30Z	0.489	false
2019-07-15T03:15Z	0.493	false
2019-07-15T03:00Z	0.498	false
2019-07-15T02:45Z	0.5	false
2019-07-15T02:30Z	0.504	false
2019-07-15T02:15Z	0.506	false
2019-07-15T02:00Z	0.508	false
2019-07-15T01:45Z	0.506	false
2019-07-15T01:30Z	0.498	false
2019-07-15T01:15Z	0.496	false
2019-07-15T01:00Z	0.504	false
2019-07-15T00:45Z	0.508	false
2019-07-15T00:30Z	0.508	false
2019-07-15T00:15Z	0.517	false
2019-07-15T00:00Z	0.516	false
2019-07-14T23:45Z	0.517	false
2019-07-14T23:30Z	0.511	false
2019-07-14T23:15Z	0.508	false
2019-07-14T23:00Z	0.51	false
2019-07-14T22:45Z	0.517	false
2019-07-14T22:30Z	0.516	false
2019-07-14T22:15Z	0.518	false
2019-07-14T22:00Z	0.52	false
2019-07-14T21:45Z	0.509	false
2019-07-14T21:30Z	0.505	false
2019-07-14T21:15Z	0.498	false
2019-07-14T21:00Z	0.501	false
2019-07-14T20:45Z	0.502	false
2019-07-14T20:30Z	0.505	false
2019-07-14T20:15Z	0.505	false
2019-07-14T20:00Z	0.503	false
2019-07-14T19:45Z	0.503	false
2019-07-14T19:30Z	0.503	false
2019-07-14T19:15Z	0.503	false
2019-07-14T19:00Z	0.503	false
2019-07-14T18:45Z	0.502	false
2019-07-14T18:30Z	0.502	false
2019-07-14T18:15Z	0.5	false
2019-07-14T18:00Z	0.502	false
2019-07-14T17:45Z	0.502	false
2019-07-14T17:30Z	0.503	false
2019-07-14T17:15Z	0.501	false
2019-07-14T17:00Z	0.504	false
2019-07-14T16:45Z	0.505	false
2019-07-14T16:30Z	0.506	false
2019-07-14T16:15Z	0.506	false
2019-07-14T16:00Z	0.508	false
2019-07-14T15:45Z	0.507	false
2019-07-14T15:30Z	0.509	false
2019-07-14T15:15Z	0.511	false
2019-07-14T15:00Z	0.512	false
2019-07-14T14:45Z	0.513	false
2019-07-14T14:30Z	0.516	false
2019-07-14T14:15Z	0.512	false
2019-07-14T14:00Z	0.513	false
2019-07-14T13:45Z	0.517	false
2019-07-14T13:30Z	0.514	false
2019-07-14T13:15Z	0.516	false
2019-07-14T13:00Z	0.513	false
2019-07-14T12:45Z	0.513	false
2019-07-14T12:30Z	0.514	false
2019-07-14T12:15Z	0.506	false
2019-07-14T12:00Z	0.503	false
2019-07-14T11:45Z	0.498	false
2019-07-14T11:30Z	0.492	false
2019-07-14T11:15Z	0.495	false
2019-07-14T11:00Z	0.49	false
2019-07-14T10:45Z	0.492	false
2019-07-14T10:30Z	0.49	false
2019-07-14T10:15Z	0.486	false
2019-07-14T10:00Z	0.485	false
2019-07-14T09:45Z	0.485	false
2019-07-14T09:30Z	0.482	false
2019-07-14T09:15Z	0.483	false
2019-07-14T09:00Z	0.482	false
2019-07-14T08:45Z	0.485	false
2019-07-14T08:30Z	0.487	false
2019-07-14T08:15Z	0.487	false
2019-07-14T08:00Z	0.487	false
2019-07-14T07:45Z	0.486	false
2019-07-14T07:30Z	0.489	false
2019-07-14T07:15Z	0.488	false
2019-07-14T07:00Z	0.489	false
2019-07-14T06:45Z	0.489	false
2019-07-14T06:30Z	0.49	false
2019-07-14T06:15Z	0.489	false
2019-07-14T06:00Z	0.483	false
2019-07-14T05:45Z	0.481	false
2019-07-14T05:30Z	0.482	false
2019-07-14T05:15Z	0.486	false
2019-07-14T05:00Z	0.491	false
2019-07-14T04:45Z	0.494	false
2019-07-14T04:30Z	0.497	false
2019-07-14T04:15Z	0.498	false
2019-07-14T04:00Z	0.492	false
2019-07-14T03:45Z	0.485	false
2019-07-14T03:30Z	0.487	false
2019-07-14T03:15Z	0.49	false
2019-07-14T03:00Z	0.496	false
2019-07-14T02:45Z	0.498	false
2019-07-14T02:30Z	0.497	false
2019-07-14T02:15Z	0.497	false
2019-07-14T02:00Z	0.498	false
2019-07-14T01:45Z	0.494	false
2019-07-14T01:30Z	0.488	false
2019-07-14T01:15Z	0.492	false
2019-07-14T01:00Z	0.496	false
2019-07-14T00:45Z	0.5	false
2019-07-14T00:30Z	0.502	false
2019-07-14T00:15Z	0.507	false
2019-07-14T00:00Z	0.505	false
2019-07-13T23:45Z	0.504	false
2019-07-13T23:30Z	0.5	false
2019-07-13T23:15Z	0.501	false
2019-07-13T23:00Z	0.504	false
2019-07-13T22:45Z	0.508	false
2019-07-13T22:30Z	0.51	false
2019-07-13T22:15Z	0.513	false
2019-07-13T22:00Z	0.511	false
2019-07-13T21:45Z	0.508	false
2019-07-13T21:30Z	0.499	false
2019-07-13T21:15Z	0.498	false
2019-07-13T21:00Z	0.499	false
2019-07-13T20:45Z	0.506	false
2019-07-13T20:30Z	0.507	false
2019-07-13T20:15Z	0.504	false
2019-07-13T20:00Z	0.502	false
2019-07-13T19:45Z	0.503	false
2019-07-13T19:30Z	0.504	false
2019-07-13T19:15Z	0.501	false
2019-07-13T19:00Z	0.499	false
2019-07-13T18:45Z	0.5	false
2019-07-13T18:30Z	0.498	false
2019-07-13T18:15Z	0.498	false
2019-07-13T18:00Z	0.5	false
2019-07-13T17:45Z	0.503	false
2019-07-13T17:30Z	0.502	false
2019-07-13T17:15Z	0.503	false
2019-07-13T17:00Z	0.502	false
2019-07-13T16:45Z	0.504	false
2019-07-13T16:30Z	0.507	false
2019-07-13T16:15Z	0.506	false
2019-07-13T16:00Z	0.508	false
2019-07-13T15:45Z	0.51	false
2019-07-13T15:30Z	0.509	false
2019-07-13T15:15Z	0.516	false
2019-07-13T15:00Z	0.514	false
2019-07-13T14:45Z	0.516	false
2019-07-13T14:30Z	0.516	false
2019-07-13T14:15Z	0.519	false
2019-07-13T14:00Z	0.519	false
2019-07-13T13:45Z	0.516	false
2019-07-13T13:30Z	0.516	false
2019-07-13T13:15Z	0.519	false
2019-07-13T13:00Z	0.522	false
2019-07-13T12:45Z	0.519	false
2019-07-13T12:30Z	0.522	false
2019-07-13T12:15Z	0.517	false
2019-07-13T12:00Z	0.515	false
2019-07-13T11:45Z	0.515	false
2019-07-13T11:30Z	0.515	false
2019-07-13T11:15Z	0.51	false
2019-07-13T11:00Z	0.503	false
2019-07-13T10:45Z	0.498	false
2019-07-13T10:30Z	0.497	false
2019-07-13T10:15Z	0.495	false
2019-07-13T10:00Z	0.491	false
2019-07-13T09:45Z	0.49	false
2019-07-13T09:30Z	0.489	false
2019-07-13T09:15Z	0.489	false
2019-07-13T09:00Z	0.487	false
2019-07-13T08:45Z	0.49	false
2019-07-13T08:30Z	0.488	false
2019-07-13T08:15Z	0.485	false
2019-07-13T08:00Z	0.487	false
2019-07-13T07:45Z	0.488	false
2019-07-13T07:30Z	0.488	false
2019-07-13T07:15Z	0.49	false
2019-07-13T07:00Z	0.488	false
2019-07-13T06:45Z	0.488	false
2019-07-13T06:30Z	0.493	false
2019-07-13T06:15Z	0.49	false
2019-07-13T06:00Z	0.487	false
2019-07-13T05:45Z	0.483	false
2019-07-13T05:30Z	0.48	false
2019-07-13T05:15Z	0.485	false
2019-07-13T05:00Z	0.491	false
2019-07-13T04:45Z	0.493	false
2019-07-13T04:30Z	0.492	false
2019-07-13T04:15Z	0.495	false
2019-07-13T04:00Z	0.493	false
2019-07-13T03:45Z	0.492	false
2019-07-13T03:30Z	0.49	false
2019-07-13T03:15Z	0.49	false
2019-07-13T03:00Z	0.499	false
2019-07-13T02:45Z	0.505	false
2019-07-13T02:30Z	0.506	false
2019-07-13T02:15Z	0.509	false
2019-07-13T02:00Z	0.508	false
2019-07-13T01:45Z	0.504	false
2019-07-13T01:30Z	0.496	false
2019-07-13T01:15Z	0.501	false
2019-07-13T01:00Z	0.502	false
2019-07-13T00:45Z	0.508	false
2019-07-13T00:30Z	0.512	false
2019-07-13T00:15Z	0.513	false
2019-07-13T00:00Z	0.515	false
2019-07-12T23:45Z	0.514	false
2019-07-12T23:30Z	0.507	false
2019-07-12T23:15Z	0.503	false
2019-07-12T23:00Z	0.507	false
2019-07-12T22:45Z	0.512	false
2019-07-12T22:30Z	0.514	false
2019-07-12T22:15Z	0.519	false
2019-07-12T22:00Z	0.516	false
2019-07-12T21:45Z	0.516	false
2019-07-12T21:30Z	0.51	false
2019-07-12T21:15Z	0.506	false
2019-07-12T21:00Z	0.504	false
2019-07-12T20:45Z	0.508	false
2019-07-12T20:30Z	0.512	false
2019-07-12T20:15Z	0.508	false
2019-07-12T20:00Z	0.512	false
2019-07-12T19:45Z	0.512	false
2019-07-12T19:30Z	0.51	false
2019-07-12T19:15Z	0.515	false
2019-07-12T19:00Z	0.514	false
2019-07-12T18:45Z	0.512	false
2019-07-12T18:30Z	0.511	false
2019-07-12T18:15Z	0.511	false
2019-07-12T18:00Z	0.51	false
2019-07-12T17:45Z	0.51	false
2019-07-12T17:30Z	0.512	false
2019-07-12T17:15Z	0.515	false
2019-07-12T17:00Z	0.515	false
2019-07-12T16:45Z	0.515	false
2019-07-12T16:30Z	0.514	false
2019-07-12T16:15Z	0.516	false
2019-07-12T16:00Z	0.516	false
2019-07-12T15:45Z	0.517	false
2019-07-12T15:30Z	0.515	false
2019-07-12T15:15Z	0.517	false
2019-07-12T15:00Z	0.516	false
2019-07-12T14:45Z	0.519	false
2019-07-12T14:30Z	0.518	false
2019-07-12T14:15Z	0.513	false
2019-07-12T14:00Z	0.518	false
2019-07-12T13:45Z	0.515	false
2019-07-12T13:30Z	0.515	false
2019-07-12T13:15Z	0.515	false
2019-07-12T13:00Z	0.515	false
2019-07-12T12:45Z	0.522	false
2019-07-12T12:30Z	0.522	false
2019-07-12T12:15Z	0.523	false
2019-07-12T12:00Z	0.521	false
2019-07-12T11:45Z	0.526	false
2019-07-12T11:30Z	0.525	false
2019-07-12T11:15Z	0.532	false
2019-07-12T11:00Z	0.534	false
2019-07-12T10:45Z	0.537	false
2019-07-12T10:30Z	0.543	false
2019-07-12T10:15Z	0.548	false
2019-07-12T10:00Z	0.544	false
2019-07-12T09:45Z	0.528	false
2019-07-12T09:30Z	0.508	false
2019-07-12T09:15Z	0.506	false
2019-07-12T09:00Z	0.496	false
2019-07-12T08:45Z	0.496	false
2019-07-12T08:30Z	0.493	false
2019-07-12T08:15Z	0.491	false
2019-07-12T08:00Z	0.49	false
2019-07-12T07:45Z	0.491	false
2019-07-12T07:30Z	0.491	false
2019-07-12T07:15Z	0.49	false
2019-07-12T07:00Z	0.495	false
2019-07-12T06:45Z	0.494	false
2019-07-12T06:30Z	0.494	false
2019-07-12T06:15Z	0.495	false
2019-07-12T06:00Z	0.491	false
2019-07-12T05:45Z	0.487	false
2019-07-12T05:30Z	0.487	false
2019-07-12T05:15Z	0.489	false
2019-07-12T05:00Z	0.493	false
2019-07-12T04:45Z	0.498	false
2019-07-12T04:30Z	0.503	false
2019-07-12T04:15Z	0.503	false
2019-07-12T04:00Z	0.5	false
2019-07-12T03:45Z	0.497	false
2019-07-12T03:30Z	0.492	false
2019-07-12T03:15Z	0.496	false
2019-07-12T03:00Z	0.502	false
2019-07-12T02:45Z	0.507	false
2019-07-12T02:30Z	0.51	false
2019-07-12T02:15Z	0.512	false
2019-07-12T02:00Z	0.514	false
2019-07-12T01:45Z	0.513	false
2019-07-12T01:30Z	0.511	false
2019-07-12T01:15Z	0.506	false
2019-07-12T01:00Z	0.511	false
2019-07-12T00:45Z	0.513	false
2019-07-12T00:30Z	0.52	false
2019-07-12T00:15Z	0.52	false
2019-07-12T00:00Z	0.527	false
2019-07-11T23:45Z	0.527	false
2019-07-11T23:30Z	0.524	false
2019-07-11T23:15Z	0.518	false
2019-07-11T23:00Z	0.517	false
2019-07-11T22:45Z	0.524	false
2019-07-11T22:30Z	0.527	false
2019-07-11T22:15Z	0.529	false
2019-07-11T22:00Z	0.528	false
2019-07-11T21:45Z	0.53	false
2019-07-11T21:30Z	0.524	false
2019-07-11T21:15Z	0.518	false
2019-07-11T21:00Z	0.517	false
2019-07-11T20:45Z	0.52	false
2019-07-11T20:30Z	0.524	false
2019-07-11T20:15Z	0.525	false
2019-07-11T20:00Z	0.521	false
2019-07-11T19:45Z	0.521	false
2019-07-11T19:30Z	0.525	false
2019-07-11T19:15Z	0.521	false
2019-07-11T19:00Z	0.525	false
2019-07-11T18:45Z	0.524	false
2019-07-11T18:30Z	0.526	false
2019-07-11T18:15Z	0.522	false
2019-07-11T18:00Z	0.522	false
2019-07-11T17:45Z	0.524	false
2019-07-11T17:30Z	0.524	false
2019-07-11T17:15Z	0.523	false
2019-07-11T17:00Z	0.525	false
2019-07-11T16:45Z	0.524	false
2019-07-11T16:30Z	0.527	false
2019-07-11T16:15Z	0.525	false
2019-07-11T16:00Z	0.527	false
2019-07-11T15:45Z	0.528	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: 4.19m on 21 October 2017
• 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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