River level River Yarrow at Croston Dam

Check for flood warnings in this area

Latest recorded level 1.06m at 4:30am Sunday 8 December 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
2019-12-08T04:30Z	1.064	false
2019-12-08T04:15Z	1.07	false
2019-12-08T04:00Z	1.074	false
2019-12-08T03:45Z	1.072	false
2019-12-08T03:30Z	1.069	false
2019-12-08T03:15Z	1.068	false
2019-12-08T03:00Z	1.059	false
2019-12-08T02:45Z	1.057	false
2019-12-08T02:30Z	1.049	false
2019-12-08T02:15Z	1.028	false
2019-12-08T02:00Z	1.009	false
2019-12-08T01:45Z	0.995	false
2019-12-08T01:30Z	0.991	false
2019-12-08T01:15Z	0.981	false
2019-12-08T01:00Z	0.972	false
2019-12-08T00:45Z	0.931	false
2019-12-08T00:30Z	0.856	false
2019-12-08T00:15Z	0.82	false
2019-12-08T00:00Z	0.816	false
2019-12-07T23:45Z	0.807	false
2019-12-07T23:30Z	0.803	false
2019-12-07T23:15Z	0.804	false
2019-12-07T23:00Z	0.799	false
2019-12-07T22:45Z	0.787	false
2019-12-07T22:30Z	0.782	false
2019-12-07T22:15Z	0.79	false
2019-12-07T22:00Z	0.793	false
2019-12-07T21:45Z	0.795	false
2019-12-07T21:30Z	0.802	false
2019-12-07T21:15Z	0.801	false
2019-12-07T21:00Z	0.8	false
2019-12-07T20:45Z	0.792	false
2019-12-07T20:30Z	0.784	false
2019-12-07T20:15Z	0.785	false
2019-12-07T20:00Z	0.793	false
2019-12-07T19:45Z	0.793	false
2019-12-07T19:30Z	0.795	false
2019-12-07T19:15Z	0.797	false
2019-12-07T19:00Z	0.795	false
2019-12-07T18:45Z	0.798	false
2019-12-07T18:30Z	0.797	false
2019-12-07T18:15Z	0.798	false
2019-12-07T18:00Z	0.796	false
2019-12-07T17:45Z	0.797	false
2019-12-07T17:30Z	0.795	false
2019-12-07T17:15Z	0.801	false
2019-12-07T17:00Z	0.798	false
2019-12-07T16:45Z	0.797	false
2019-12-07T16:30Z	0.799	false
2019-12-07T16:15Z	0.8	false
2019-12-07T16:00Z	0.802	false
2019-12-07T15:45Z	0.806	false
2019-12-07T15:30Z	0.806	false
2019-12-07T15:15Z	0.804	false
2019-12-07T15:00Z	0.809	false
2019-12-07T14:45Z	0.81	false
2019-12-07T14:30Z	0.81	false
2019-12-07T14:15Z	0.809	false
2019-12-07T14:00Z	0.81	false
2019-12-07T13:45Z	0.81	false
2019-12-07T13:30Z	0.81	false
2019-12-07T13:15Z	0.813	false
2019-12-07T13:00Z	0.809	false
2019-12-07T12:45Z	0.812	false
2019-12-07T12:30Z	0.812	false
2019-12-07T12:15Z	0.813	false
2019-12-07T12:00Z	0.811	false
2019-12-07T11:45Z	0.808	false
2019-12-07T11:30Z	0.807	false
2019-12-07T11:15Z	0.805	false
2019-12-07T11:00Z	0.806	false
2019-12-07T10:45Z	0.801	false
2019-12-07T10:30Z	0.802	false
2019-12-07T10:15Z	0.801	false
2019-12-07T10:00Z	0.8	false
2019-12-07T09:45Z	0.801	false
2019-12-07T09:30Z	0.802	false
2019-12-07T09:15Z	0.802	false
2019-12-07T09:00Z	0.802	false
2019-12-07T08:45Z	0.803	false
2019-12-07T08:30Z	0.803	false
2019-12-07T08:15Z	0.802	false
2019-12-07T08:00Z	0.804	false
2019-12-07T07:45Z	0.803	false
2019-12-07T07:30Z	0.805	false
2019-12-07T07:15Z	0.807	false
2019-12-07T07:00Z	0.807	false
2019-12-07T06:45Z	0.806	false
2019-12-07T06:30Z	0.809	false
2019-12-07T06:15Z	0.812	false
2019-12-07T06:00Z	0.813	false
2019-12-07T05:45Z	0.814	false
2019-12-07T05:30Z	0.818	false
2019-12-07T05:15Z	0.817	false
2019-12-07T05:00Z	0.82	false
2019-12-07T04:45Z	0.816	false
2019-12-07T04:30Z	0.807	false
2019-12-07T04:15Z	0.812	false
2019-12-07T04:00Z	0.819	false
2019-12-07T03:45Z	0.825	false
2019-12-07T03:30Z	0.826	false
2019-12-07T03:15Z	0.832	false
2019-12-07T03:00Z	0.835	false
2019-12-07T02:45Z	0.832	false
2019-12-07T02:30Z	0.824	false
2019-12-07T02:15Z	0.83	false
2019-12-07T02:00Z	0.837	false
2019-12-07T01:45Z	0.844	false
2019-12-07T01:30Z	0.846	false
2019-12-07T01:15Z	0.849	false
2019-12-07T01:00Z	0.846	false
2019-12-07T00:45Z	0.847	false
2019-12-07T00:30Z	0.843	false
2019-12-07T00:15Z	0.84	false
2019-12-07T00:00Z	0.851	false
2019-12-06T23:45Z	0.858	false
2019-12-06T23:30Z	0.861	false
2019-12-06T23:15Z	0.862	false
2019-12-06T23:00Z	0.864	false
2019-12-06T22:45Z	0.865	false
2019-12-06T22:30Z	0.859	false
2019-12-06T22:15Z	0.854	false
2019-12-06T22:00Z	0.862	false
2019-12-06T21:45Z	0.866	false
2019-12-06T21:30Z	0.871	false
2019-12-06T21:15Z	0.875	false
2019-12-06T21:00Z	0.877	false
2019-12-06T20:45Z	0.873	false
2019-12-06T20:30Z	0.867	false
2019-12-06T20:15Z	0.869	false
2019-12-06T20:00Z	0.867	false
2019-12-06T19:45Z	0.873	false
2019-12-06T19:30Z	0.874	false
2019-12-06T19:15Z	0.88	false
2019-12-06T19:00Z	0.877	false
2019-12-06T18:45Z	0.884	false
2019-12-06T18:30Z	0.886	false
2019-12-06T18:15Z	0.89	false
2019-12-06T18:00Z	0.891	false
2019-12-06T17:45Z	0.895	false
2019-12-06T17:30Z	0.891	false
2019-12-06T17:15Z	0.876	false
2019-12-06T17:00Z	0.873	false
2019-12-06T16:45Z	0.875	false
2019-12-06T16:30Z	0.876	false
2019-12-06T16:15Z	0.875	false
2019-12-06T16:00Z	0.876	false
2019-12-06T15:45Z	0.88	false
2019-12-06T15:30Z	0.879	false
2019-12-06T15:15Z	0.878	false
2019-12-06T15:00Z	0.87	false
2019-12-06T14:45Z	0.871	false
2019-12-06T14:30Z	0.859	false
2019-12-06T14:15Z	0.856	false
2019-12-06T14:00Z	0.86	false
2019-12-06T13:45Z	0.864	false
2019-12-06T13:30Z	0.86	false
2019-12-06T13:15Z	0.859	false
2019-12-06T13:00Z	0.866	false
2019-12-06T12:45Z	0.866	false
2019-12-06T12:30Z	0.864	false
2019-12-06T12:15Z	0.862	false
2019-12-06T12:00Z	0.864	false
2019-12-06T11:45Z	0.876	false
2019-12-06T11:30Z	0.884	false
2019-12-06T11:15Z	0.881	false
2019-12-06T11:00Z	0.877	false
2019-12-06T10:45Z	0.875	false
2019-12-06T10:30Z	0.875	false
2019-12-06T10:15Z	0.877	false
2019-12-06T10:00Z	0.876	false
2019-12-06T09:45Z	0.864	false
2019-12-06T09:30Z	0.852	false
2019-12-06T09:15Z	0.848	false
2019-12-06T09:00Z	0.846	false
2019-12-06T08:45Z	0.847	false
2019-12-06T08:30Z	0.849	false
2019-12-06T08:15Z	0.852	false
2019-12-06T08:00Z	0.857	false
2019-12-06T07:45Z	0.868	false
2019-12-06T07:30Z	0.868	false
2019-12-06T07:15Z	0.867	false
2019-12-06T07:00Z	0.851	false
2019-12-06T06:45Z	0.837	false
2019-12-06T06:30Z	0.825	false
2019-12-06T06:15Z	0.816	false
2019-12-06T06:00Z	0.813	false
2019-12-06T05:45Z	0.816	false
2019-12-06T05:30Z	0.817	false
2019-12-06T05:15Z	0.821	false
2019-12-06T05:00Z	0.819	false
2019-12-06T04:45Z	0.817	false
2019-12-06T04:30Z	0.811	false
2019-12-06T04:15Z	0.817	false
2019-12-06T04:00Z	0.823	false
2019-12-06T03:45Z	0.831	false
2019-12-06T03:30Z	0.831	false
2019-12-06T03:15Z	0.833	false
2019-12-06T03:00Z	0.835	false
2019-12-06T02:45Z	0.832	false
2019-12-06T02:30Z	0.827	false
2019-12-06T02:15Z	0.831	false
2019-12-06T02:00Z	0.842	false
2019-12-06T01:45Z	0.851	false
2019-12-06T01:30Z	0.862	false
2019-12-06T01:15Z	0.864	false
2019-12-06T01:00Z	0.865	false
2019-12-06T00:45Z	0.857	false
2019-12-06T00:30Z	0.838	false
2019-12-06T00:15Z	0.823	false
2019-12-06T00:00Z	0.81	false
2019-12-05T23:45Z	0.808	false
2019-12-05T23:30Z	0.81	false
2019-12-05T23:15Z	0.821	false
2019-12-05T23:00Z	0.827	false
2019-12-05T22:45Z	0.814	false
2019-12-05T22:30Z	0.777	false
2019-12-05T22:15Z	0.764	false
2019-12-05T22:00Z	0.766	false
2019-12-05T21:45Z	0.765	false
2019-12-05T21:30Z	0.76	false
2019-12-05T21:15Z	0.756	false
2019-12-05T21:00Z	0.751	false
2019-12-05T20:45Z	0.74	false
2019-12-05T20:30Z	0.736	false
2019-12-05T20:15Z	0.741	false
2019-12-05T20:00Z	0.742	false
2019-12-05T19:45Z	0.742	false
2019-12-05T19:30Z	0.744	false
2019-12-05T19:15Z	0.744	false
2019-12-05T19:00Z	0.745	false
2019-12-05T18:45Z	0.748	false
2019-12-05T18:30Z	0.75	false
2019-12-05T18:15Z	0.754	false
2019-12-05T18:00Z	0.759	false
2019-12-05T17:45Z	0.759	false
2019-12-05T17:30Z	0.76	false
2019-12-05T17:15Z	0.758	false
2019-12-05T17:00Z	0.754	false
2019-12-05T16:45Z	0.749	false
2019-12-05T16:30Z	0.744	false
2019-12-05T16:15Z	0.74	false
2019-12-05T16:00Z	0.735	false
2019-12-05T15:45Z	0.731	false
2019-12-05T15:30Z	0.73	false
2019-12-05T15:15Z	0.732	false
2019-12-05T15:00Z	0.729	false
2019-12-05T14:45Z	0.73	false
2019-12-05T14:30Z	0.73	false
2019-12-05T14:15Z	0.732	false
2019-12-05T14:00Z	0.733	false
2019-12-05T13:45Z	0.731	false
2019-12-05T13:30Z	0.729	false
2019-12-05T13:15Z	0.729	false
2019-12-05T13:00Z	0.734	false
2019-12-05T12:45Z	0.732	false
2019-12-05T12:30Z	0.733	false
2019-12-05T12:15Z	0.735	false
2019-12-05T12:00Z	0.736	false
2019-12-05T11:45Z	0.738	false
2019-12-05T11:30Z	0.738	false
2019-12-05T11:15Z	0.736	false
2019-12-05T11:00Z	0.738	false
2019-12-05T10:45Z	0.737	false
2019-12-05T10:30Z	0.733	false
2019-12-05T10:15Z	0.729	false
2019-12-05T10:00Z	0.724	false
2019-12-05T09:45Z	0.721	false
2019-12-05T09:30Z	0.721	false
2019-12-05T09:15Z	0.718	false
2019-12-05T09:00Z	0.717	false
2019-12-05T08:45Z	0.714	false
2019-12-05T08:30Z	0.715	false
2019-12-05T08:15Z	0.715	false
2019-12-05T08:00Z	0.713	false
2019-12-05T07:45Z	0.711	false
2019-12-05T07:30Z	0.711	false
2019-12-05T07:15Z	0.713	false
2019-12-05T07:00Z	0.714	false
2019-12-05T06:45Z	0.716	false
2019-12-05T06:30Z	0.714	false
2019-12-05T06:15Z	0.716	false
2019-12-05T06:00Z	0.72	false
2019-12-05T05:45Z	0.723	false
2019-12-05T05:30Z	0.723	false
2019-12-05T05:15Z	0.715	false
2019-12-05T05:00Z	0.706	false
2019-12-05T04:45Z	0.707	false
2019-12-05T04:30Z	0.715	false
2019-12-05T04:15Z	0.72	false
2019-12-05T04:00Z	0.723	false
2019-12-05T03:45Z	0.727	false
2019-12-05T03:30Z	0.725	false
2019-12-05T03:15Z	0.723	false
2019-12-05T03:00Z	0.717	false
2019-12-05T02:45Z	0.714	false
2019-12-05T02:30Z	0.721	false
2019-12-05T02:15Z	0.73	false
2019-12-05T02:00Z	0.735	false
2019-12-05T01:45Z	0.738	false
2019-12-05T01:30Z	0.737	false
2019-12-05T01:15Z	0.74	false
2019-12-05T01:00Z	0.731	false
2019-12-05T00:45Z	0.724	false
2019-12-05T00:30Z	0.731	false
2019-12-05T00:15Z	0.735	false
2019-12-05T00:00Z	0.742	false
2019-12-04T23:45Z	0.744	false
2019-12-04T23:30Z	0.745	false
2019-12-04T23:15Z	0.744	false
2019-12-04T23:00Z	0.739	false
2019-12-04T22:45Z	0.73	false
2019-12-04T22:30Z	0.734	false
2019-12-04T22:15Z	0.738	false
2019-12-04T22:00Z	0.745	false
2019-12-04T21:45Z	0.745	false
2019-12-04T21:30Z	0.745	false
2019-12-04T21:15Z	0.742	false
2019-12-04T21:00Z	0.733	false
2019-12-04T20:45Z	0.726	false
2019-12-04T20:30Z	0.727	false
2019-12-04T20:15Z	0.732	false
2019-12-04T20:00Z	0.732	false
2019-12-04T19:45Z	0.733	false
2019-12-04T19:30Z	0.731	false
2019-12-04T19:15Z	0.732	false
2019-12-04T19:00Z	0.731	false
2019-12-04T18:45Z	0.731	false
2019-12-04T18:30Z	0.731	false
2019-12-04T18:15Z	0.73	false
2019-12-04T18:00Z	0.729	false
2019-12-04T17:45Z	0.731	false
2019-12-04T17:30Z	0.731	false
2019-12-04T17:15Z	0.731	false
2019-12-04T17:00Z	0.731	false
2019-12-04T16:45Z	0.726	false
2019-12-04T16:30Z	0.731	false
2019-12-04T16:15Z	0.731	false
2019-12-04T16:00Z	0.736	false
2019-12-04T15:45Z	0.735	false
2019-12-04T15:30Z	0.737	false
2019-12-04T15:15Z	0.733	false
2019-12-04T15:00Z	0.735	false
2019-12-04T14:45Z	0.738	false
2019-12-04T14:30Z	0.736	false
2019-12-04T14:15Z	0.737	false
2019-12-04T14:00Z	0.736	false
2019-12-04T13:45Z	0.736	false
2019-12-04T13:30Z	0.739	false
2019-12-04T13:15Z	0.738	false
2019-12-04T13:00Z	0.738	false
2019-12-04T12:45Z	0.738	false
2019-12-04T12:30Z	0.736	false
2019-12-04T12:15Z	0.732	false
2019-12-04T12:00Z	0.729	false
2019-12-04T11:45Z	0.725	false
2019-12-04T11:30Z	0.727	false
2019-12-04T11:15Z	0.722	false
2019-12-04T11:00Z	0.715	false
2019-12-04T10:45Z	0.714	false
2019-12-04T10:30Z	0.712	false
2019-12-04T10:15Z	0.71	false
2019-12-04T10:00Z	0.713	false
2019-12-04T09:45Z	0.708	false
2019-12-04T09:30Z	0.71	false
2019-12-04T09:15Z	0.706	false
2019-12-04T09:00Z	0.707	false
2019-12-04T08:45Z	0.709	false
2019-12-04T08:30Z	0.71	false
2019-12-04T08:15Z	0.708	false
2019-12-04T08:00Z	0.706	false
2019-12-04T07:45Z	0.71	false
2019-12-04T07:30Z	0.709	false
2019-12-04T07:15Z	0.713	false
2019-12-04T07:00Z	0.718	false
2019-12-04T06:45Z	0.726	false
2019-12-04T06:30Z	0.735	false
2019-12-04T06:15Z	0.741	false
2019-12-04T06:00Z	0.745	false
2019-12-04T05:45Z	0.748	false
2019-12-04T05:30Z	0.746	false
2019-12-04T05:15Z	0.743	false
2019-12-04T05:00Z	0.74	false
2019-12-04T04:45Z	0.733	false
2019-12-04T04:30Z	0.739	false
2019-12-04T04:15Z	0.741	false
2019-12-04T04:00Z	0.745	false
2019-12-04T03:45Z	0.747	false
2019-12-04T03:30Z	0.746	false
2019-12-04T03:15Z	0.749	false
2019-12-04T03:00Z	0.743	false
2019-12-04T02:45Z	0.737	false
2019-12-04T02:30Z	0.742	false
2019-12-04T02:15Z	0.746	false
2019-12-04T02:00Z	0.748	false
2019-12-04T01:45Z	0.753	false
2019-12-04T01:30Z	0.753	false
2019-12-04T01:15Z	0.751	false
2019-12-04T01:00Z	0.748	false
2019-12-04T00:45Z	0.741	false
2019-12-04T00:30Z	0.741	false
2019-12-04T00:15Z	0.747	false
2019-12-04T00:00Z	0.754	false
2019-12-03T23:45Z	0.754	false
2019-12-03T23:30Z	0.758	false
2019-12-03T23:15Z	0.755	false
2019-12-03T23:00Z	0.75	false
2019-12-03T22:45Z	0.741	false
2019-12-03T22:30Z	0.745	false
2019-12-03T22:15Z	0.751	false
2019-12-03T22:00Z	0.756	false
2019-12-03T21:45Z	0.758	false
2019-12-03T21:30Z	0.76	false
2019-12-03T21:15Z	0.76	false
2019-12-03T21:00Z	0.756	false
2019-12-03T20:45Z	0.747	false
2019-12-03T20:30Z	0.748	false
2019-12-03T20:15Z	0.757	false
2019-12-03T20:00Z	0.756	false
2019-12-03T19:45Z	0.757	false
2019-12-03T19:30Z	0.759	false
2019-12-03T19:15Z	0.756	false
2019-12-03T19:00Z	0.757	false
2019-12-03T18:45Z	0.759	false
2019-12-03T18:30Z	0.757	false
2019-12-03T18:15Z	0.76	false
2019-12-03T18:00Z	0.759	false
2019-12-03T17:45Z	0.757	false
2019-12-03T17:30Z	0.749	false
2019-12-03T17:15Z	0.742	false
2019-12-03T17:00Z	0.74	false
2019-12-03T16:45Z	0.742	false
2019-12-03T16:30Z	0.748	false
2019-12-03T16:15Z	0.757	false
2019-12-03T16:00Z	0.763	false
2019-12-03T15:45Z	0.752	false
2019-12-03T15:30Z	0.749	false
2019-12-03T15:15Z	0.748	false
2019-12-03T15:00Z	0.744	false
2019-12-03T14:45Z	0.741	false
2019-12-03T14:30Z	0.742	false
2019-12-03T14:15Z	0.745	false
2019-12-03T14:00Z	0.747	false
2019-12-03T13:45Z	0.748	false
2019-12-03T13:30Z	0.752	false
2019-12-03T13:15Z	0.752	false
2019-12-03T13:00Z	0.751	false
2019-12-03T12:45Z	0.754	false
2019-12-03T12:30Z	0.753	false
2019-12-03T12:15Z	0.754	false
2019-12-03T12:00Z	0.754	false
2019-12-03T11:45Z	0.753	false
2019-12-03T11:30Z	0.754	false
2019-12-03T11:15Z	0.754	false
2019-12-03T11:00Z	0.754	false
2019-12-03T10:45Z	0.755	false
2019-12-03T10:30Z	0.754	false
2019-12-03T10:15Z	0.75	false
2019-12-03T10:00Z	0.745	false
2019-12-03T09:45Z	0.745	false
2019-12-03T09:30Z	0.737	false
2019-12-03T09:15Z	0.736	false
2019-12-03T09:00Z	0.734	false
2019-12-03T08:45Z	0.732	false
2019-12-03T08:30Z	0.733	false
2019-12-03T08:15Z	0.731	false
2019-12-03T08:00Z	0.73	false
2019-12-03T07:45Z	0.731	false
2019-12-03T07:30Z	0.732	false
2019-12-03T07:15Z	0.732	false
2019-12-03T07:00Z	0.733	false
2019-12-03T06:45Z	0.732	false
2019-12-03T06:30Z	0.732	false
2019-12-03T06:15Z	0.735	false
2019-12-03T06:00Z	0.736	false
2019-12-03T05:45Z	0.74	false
2019-12-03T05:30Z	0.739	false
2019-12-03T05:15Z	0.736	false
2019-12-03T05:00Z	0.73	false
2019-12-03T04:45Z	0.724	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 (awaiting validation)
• 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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