River level River Yarrow at Croston Dam

Check for flood warnings in this area

Latest recorded level 0.66m at 4:00pm Monday 13 July 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
2020-07-13T15:00Z	0.663	false
2020-07-13T14:45Z	0.664	false
2020-07-13T14:30Z	0.663	false
2020-07-13T14:15Z	0.668	false
2020-07-13T14:00Z	0.669	false
2020-07-13T13:45Z	0.67	false
2020-07-13T13:30Z	0.671	false
2020-07-13T13:15Z	0.681	false
2020-07-13T13:00Z	0.687	false
2020-07-13T12:45Z	0.697	false
2020-07-13T12:30Z	0.702	false
2020-07-13T12:15Z	0.691	false
2020-07-13T12:00Z	0.67	false
2020-07-13T11:45Z	0.655	false
2020-07-13T11:30Z	0.648	false
2020-07-13T11:15Z	0.647	false
2020-07-13T11:00Z	0.643	false
2020-07-13T10:45Z	0.644	false
2020-07-13T10:30Z	0.645	false
2020-07-13T10:15Z	0.636	false
2020-07-13T10:00Z	0.636	false
2020-07-13T09:45Z	0.634	false
2020-07-13T09:30Z	0.636	false
2020-07-13T09:15Z	0.63	false
2020-07-13T09:00Z	0.628	false
2020-07-13T08:45Z	0.628	false
2020-07-13T08:30Z	0.622	false
2020-07-13T08:15Z	0.619	false
2020-07-13T08:00Z	0.619	false
2020-07-13T07:45Z	0.62	false
2020-07-13T07:30Z	0.621	false
2020-07-13T07:15Z	0.621	false
2020-07-13T07:00Z	0.623	false
2020-07-13T06:45Z	0.624	false
2020-07-13T06:30Z	0.623	false
2020-07-13T06:15Z	0.627	false
2020-07-13T06:00Z	0.626	false
2020-07-13T05:45Z	0.627	false
2020-07-13T05:30Z	0.621	false
2020-07-13T05:15Z	0.616	false
2020-07-13T05:00Z	0.614	false
2020-07-13T04:45Z	0.62	false
2020-07-13T04:30Z	0.623	false
2020-07-13T04:15Z	0.627	false
2020-07-13T04:00Z	0.628	false
2020-07-13T03:45Z	0.627	false
2020-07-13T03:30Z	0.625	false
2020-07-13T03:15Z	0.618	false
2020-07-13T03:00Z	0.622	false
2020-07-13T02:45Z	0.627	false
2020-07-13T02:30Z	0.633	false
2020-07-13T02:15Z	0.64	false
2020-07-13T02:00Z	0.638	false
2020-07-13T01:45Z	0.641	false
2020-07-13T01:30Z	0.639	false
2020-07-13T01:15Z	0.637	false
2020-07-13T01:00Z	0.632	false
2020-07-13T00:45Z	0.638	false
2020-07-13T00:30Z	0.643	false
2020-07-13T00:15Z	0.647	false
2020-07-13T00:00Z	0.649	false
2020-07-12T23:45Z	0.651	false
2020-07-12T23:30Z	0.648	false
2020-07-12T23:15Z	0.643	false
2020-07-12T23:00Z	0.632	false
2020-07-12T22:45Z	0.639	false
2020-07-12T22:30Z	0.645	false
2020-07-12T22:15Z	0.648	false
2020-07-12T22:00Z	0.65	false
2020-07-12T21:45Z	0.65	false
2020-07-12T21:30Z	0.651	false
2020-07-12T21:15Z	0.652	false
2020-07-12T21:00Z	0.652	false
2020-07-12T20:45Z	0.648	false
2020-07-12T20:30Z	0.645	false
2020-07-12T20:15Z	0.645	false
2020-07-12T20:00Z	0.646	false
2020-07-12T19:45Z	0.644	false
2020-07-12T19:30Z	0.643	false
2020-07-12T19:15Z	0.643	false
2020-07-12T19:00Z	0.644	false
2020-07-12T18:45Z	0.647	false
2020-07-12T18:30Z	0.646	false
2020-07-12T18:15Z	0.643	false
2020-07-12T18:00Z	0.645	false
2020-07-12T17:45Z	0.646	false
2020-07-12T17:30Z	0.648	false
2020-07-12T17:15Z	0.644	false
2020-07-12T17:00Z	0.648	false
2020-07-12T16:45Z	0.652	false
2020-07-12T16:30Z	0.651	false
2020-07-12T16:15Z	0.654	false
2020-07-12T16:00Z	0.654	false
2020-07-12T15:45Z	0.652	false
2020-07-12T15:30Z	0.657	false
2020-07-12T15:15Z	0.661	false
2020-07-12T15:00Z	0.66	false
2020-07-12T14:45Z	0.662	false
2020-07-12T14:30Z	0.666	false
2020-07-12T14:15Z	0.664	false
2020-07-12T14:00Z	0.668	false
2020-07-12T13:45Z	0.669	false
2020-07-12T13:30Z	0.666	false
2020-07-12T13:15Z	0.669	false
2020-07-12T13:00Z	0.667	false
2020-07-12T12:45Z	0.669	false
2020-07-12T12:30Z	0.669	false
2020-07-12T12:15Z	0.668	false
2020-07-12T12:00Z	0.665	false
2020-07-12T11:45Z	0.662	false
2020-07-12T11:30Z	0.66	false
2020-07-12T11:15Z	0.659	false
2020-07-12T11:00Z	0.656	false
2020-07-12T10:45Z	0.653	false
2020-07-12T10:30Z	0.653	false
2020-07-12T10:15Z	0.651	false
2020-07-12T10:00Z	0.646	false
2020-07-12T09:45Z	0.646	false
2020-07-12T09:30Z	0.645	false
2020-07-12T09:15Z	0.648	false
2020-07-12T09:00Z	0.649	false
2020-07-12T08:45Z	0.65	false
2020-07-12T08:30Z	0.651	false
2020-07-12T08:15Z	0.646	false
2020-07-12T08:00Z	0.646	false
2020-07-12T07:45Z	0.645	false
2020-07-12T07:30Z	0.649	false
2020-07-12T07:15Z	0.645	false
2020-07-12T07:00Z	0.651	false
2020-07-12T06:45Z	0.65	false
2020-07-12T06:30Z	0.655	false
2020-07-12T06:15Z	0.654	false
2020-07-12T06:00Z	0.655	false
2020-07-12T05:45Z	0.653	false
2020-07-12T05:30Z	0.652	false
2020-07-12T05:15Z	0.647	false
2020-07-12T05:00Z	0.641	false
2020-07-12T04:45Z	0.645	false
2020-07-12T04:30Z	0.652	false
2020-07-12T04:15Z	0.658	false
2020-07-12T04:00Z	0.657	false
2020-07-12T03:45Z	0.659	false
2020-07-12T03:30Z	0.656	false
2020-07-12T03:15Z	0.658	false
2020-07-12T03:00Z	0.651	false
2020-07-12T02:45Z	0.654	false
2020-07-12T02:30Z	0.662	false
2020-07-12T02:15Z	0.665	false
2020-07-12T02:00Z	0.666	false
2020-07-12T01:45Z	0.668	false
2020-07-12T01:30Z	0.666	false
2020-07-12T01:15Z	0.665	false
2020-07-12T01:00Z	0.661	false
2020-07-12T00:45Z	0.657	false
2020-07-12T00:30Z	0.669	false
2020-07-12T00:15Z	0.671	false
2020-07-12T00:00Z	0.675	false
2020-07-11T23:45Z	0.678	false
2020-07-11T23:30Z	0.677	false
2020-07-11T23:15Z	0.673	false
2020-07-11T23:00Z	0.663	false
2020-07-11T22:45Z	0.661	false
2020-07-11T22:30Z	0.669	false
2020-07-11T22:15Z	0.674	false
2020-07-11T22:00Z	0.677	false
2020-07-11T21:45Z	0.676	false
2020-07-11T21:30Z	0.676	false
2020-07-11T21:15Z	0.679	false
2020-07-11T21:00Z	0.679	false
2020-07-11T20:45Z	0.682	false
2020-07-11T20:30Z	0.683	false
2020-07-11T20:15Z	0.678	false
2020-07-11T20:00Z	0.679	false
2020-07-11T19:45Z	0.681	false
2020-07-11T19:30Z	0.68	false
2020-07-11T19:15Z	0.68	false
2020-07-11T19:00Z	0.682	false
2020-07-11T18:45Z	0.68	false
2020-07-11T18:30Z	0.683	false
2020-07-11T18:15Z	0.685	false
2020-07-11T18:00Z	0.684	false
2020-07-11T17:45Z	0.682	false
2020-07-11T17:30Z	0.684	false
2020-07-11T17:15Z	0.686	false
2020-07-11T17:00Z	0.687	false
2020-07-11T16:45Z	0.688	false
2020-07-11T16:30Z	0.686	false
2020-07-11T16:15Z	0.691	false
2020-07-11T16:00Z	0.691	false
2020-07-11T15:45Z	0.695	false
2020-07-11T15:30Z	0.698	false
2020-07-11T15:15Z	0.698	false
2020-07-11T15:00Z	0.699	false
2020-07-11T14:45Z	0.699	false
2020-07-11T14:30Z	0.704	false
2020-07-11T14:15Z	0.705	false
2020-07-11T14:00Z	0.703	false
2020-07-11T13:45Z	0.707	false
2020-07-11T13:30Z	0.709	false
2020-07-11T13:15Z	0.712	false
2020-07-11T13:00Z	0.712	false
2020-07-11T12:45Z	0.712	false
2020-07-11T12:30Z	0.718	false
2020-07-11T12:15Z	0.719	false
2020-07-11T12:00Z	0.719	false
2020-07-11T11:45Z	0.72	false
2020-07-11T11:30Z	0.72	false
2020-07-11T11:15Z	0.722	false
2020-07-11T11:00Z	0.718	false
2020-07-11T10:45Z	0.717	false
2020-07-11T10:30Z	0.715	false
2020-07-11T10:15Z	0.712	false
2020-07-11T10:00Z	0.709	false
2020-07-11T09:45Z	0.709	false
2020-07-11T09:30Z	0.707	false
2020-07-11T09:15Z	0.705	false
2020-07-11T09:00Z	0.707	false
2020-07-11T08:45Z	0.705	false
2020-07-11T08:30Z	0.706	false
2020-07-11T08:15Z	0.711	false
2020-07-11T08:00Z	0.715	false
2020-07-11T07:45Z	0.721	false
2020-07-11T07:30Z	0.728	false
2020-07-11T07:15Z	0.739	false
2020-07-11T07:00Z	0.746	false
2020-07-11T06:45Z	0.741	false
2020-07-11T06:30Z	0.719	false
2020-07-11T06:15Z	0.703	false
2020-07-11T06:00Z	0.695	false
2020-07-11T05:45Z	0.693	false
2020-07-11T05:30Z	0.692	false
2020-07-11T05:15Z	0.69	false
2020-07-11T05:00Z	0.684	false
2020-07-11T04:45Z	0.679	false
2020-07-11T04:30Z	0.685	false
2020-07-11T04:15Z	0.694	false
2020-07-11T04:00Z	0.693	false
2020-07-11T03:45Z	0.695	false
2020-07-11T03:30Z	0.699	false
2020-07-11T03:15Z	0.695	false
2020-07-11T03:00Z	0.695	false
2020-07-11T02:45Z	0.691	false
2020-07-11T02:30Z	0.693	false
2020-07-11T02:15Z	0.7	false
2020-07-11T02:00Z	0.706	false
2020-07-11T01:45Z	0.708	false
2020-07-11T01:30Z	0.707	false
2020-07-11T01:15Z	0.71	false
2020-07-11T01:00Z	0.706	false
2020-07-11T00:45Z	0.698	false
2020-07-11T00:30Z	0.705	false
2020-07-11T00:15Z	0.714	false
2020-07-11T00:00Z	0.716	false
2020-07-10T23:45Z	0.72	false
2020-07-10T23:30Z	0.721	false
2020-07-10T23:15Z	0.722	false
2020-07-10T23:00Z	0.718	false
2020-07-10T22:45Z	0.711	false
2020-07-10T22:30Z	0.715	false
2020-07-10T22:15Z	0.718	false
2020-07-10T22:00Z	0.726	false
2020-07-10T21:45Z	0.735	false
2020-07-10T21:30Z	0.731	false
2020-07-10T21:15Z	0.73	false
2020-07-10T21:00Z	0.734	false
2020-07-10T20:45Z	0.735	false
2020-07-10T20:30Z	0.732	false
2020-07-10T20:15Z	0.733	false
2020-07-10T20:00Z	0.735	false
2020-07-10T19:45Z	0.736	false
2020-07-10T19:30Z	0.739	false
2020-07-10T19:15Z	0.737	false
2020-07-10T19:00Z	0.737	false
2020-07-10T18:45Z	0.737	false
2020-07-10T18:30Z	0.741	false
2020-07-10T18:15Z	0.74	false
2020-07-10T18:00Z	0.745	false
2020-07-10T17:45Z	0.74	false
2020-07-10T17:30Z	0.743	false
2020-07-10T17:15Z	0.747	false
2020-07-10T17:00Z	0.746	false
2020-07-10T16:45Z	0.748	false
2020-07-10T16:30Z	0.749	false
2020-07-10T16:15Z	0.754	false
2020-07-10T16:00Z	0.754	false
2020-07-10T15:45Z	0.756	false
2020-07-10T15:30Z	0.757	false
2020-07-10T15:15Z	0.759	false
2020-07-10T15:00Z	0.759	false
2020-07-10T14:45Z	0.763	false
2020-07-10T14:30Z	0.76	false
2020-07-10T14:15Z	0.764	false
2020-07-10T14:00Z	0.768	false
2020-07-10T13:45Z	0.768	false
2020-07-10T13:30Z	0.769	false
2020-07-10T13:15Z	0.77	false
2020-07-10T13:00Z	0.777	false
2020-07-10T12:45Z	0.776	false
2020-07-10T12:30Z	0.777	false
2020-07-10T12:15Z	0.78	false
2020-07-10T12:00Z	0.778	false
2020-07-10T11:45Z	0.778	false
2020-07-10T11:30Z	0.782	false
2020-07-10T11:15Z	0.784	false
2020-07-10T11:00Z	0.783	false
2020-07-10T10:45Z	0.783	false
2020-07-10T10:30Z	0.79	false
2020-07-10T10:15Z	0.788	false
2020-07-10T10:00Z	0.787	false
2020-07-10T09:45Z	0.793	false
2020-07-10T09:30Z	0.792	false
2020-07-10T09:15Z	0.794	false
2020-07-10T09:00Z	0.791	false
2020-07-10T08:45Z	0.79	false
2020-07-10T08:30Z	0.788	false
2020-07-10T08:15Z	0.788	false
2020-07-10T08:00Z	0.791	false
2020-07-10T07:45Z	0.791	false
2020-07-10T07:30Z	0.791	false
2020-07-10T07:15Z	0.795	false
2020-07-10T07:00Z	0.795	false
2020-07-10T06:45Z	0.797	false
2020-07-10T06:30Z	0.797	false
2020-07-10T06:15Z	0.8	false
2020-07-10T06:00Z	0.801	false
2020-07-10T05:45Z	0.806	false
2020-07-10T05:30Z	0.811	false
2020-07-10T05:15Z	0.813	false
2020-07-10T05:00Z	0.812	false
2020-07-10T04:45Z	0.81	false
2020-07-10T04:30Z	0.805	false
2020-07-10T04:15Z	0.804	false
2020-07-10T04:00Z	0.81	false
2020-07-10T03:45Z	0.816	false
2020-07-10T03:30Z	0.822	false
2020-07-10T03:15Z	0.823	false
2020-07-10T03:00Z	0.82	false
2020-07-10T02:45Z	0.816	false
2020-07-10T02:30Z	0.823	false
2020-07-10T02:15Z	0.824	false
2020-07-10T02:00Z	0.828	false
2020-07-10T01:45Z	0.833	false
2020-07-10T01:30Z	0.832	false
2020-07-10T01:15Z	0.837	false
2020-07-10T01:00Z	0.842	false
2020-07-10T00:45Z	0.843	false
2020-07-10T00:30Z	0.84	false
2020-07-10T00:15Z	0.84	false
2020-07-10T00:00Z	0.851	false
2020-07-09T23:45Z	0.857	false
2020-07-09T23:30Z	0.858	false
2020-07-09T23:15Z	0.864	false
2020-07-09T23:00Z	0.863	false
2020-07-09T22:45Z	0.862	false
2020-07-09T22:30Z	0.861	false
2020-07-09T22:15Z	0.863	false
2020-07-09T22:00Z	0.869	false
2020-07-09T21:45Z	0.874	false
2020-07-09T21:30Z	0.871	false
2020-07-09T21:15Z	0.876	false
2020-07-09T21:00Z	0.876	false
2020-07-09T20:45Z	0.881	false
2020-07-09T20:30Z	0.883	false
2020-07-09T20:15Z	0.886	false
2020-07-09T20:00Z	0.888	false
2020-07-09T19:45Z	0.892	false
2020-07-09T19:30Z	0.894	false
2020-07-09T19:15Z	0.897	false
2020-07-09T19:00Z	0.901	false
2020-07-09T18:45Z	0.898	false
2020-07-09T18:30Z	0.907	false
2020-07-09T18:15Z	0.908	false
2020-07-09T18:00Z	0.911	false
2020-07-09T17:45Z	0.912	false
2020-07-09T17:30Z	0.914	false
2020-07-09T17:15Z	0.919	false
2020-07-09T17:00Z	0.925	false
2020-07-09T16:45Z	0.928	false
2020-07-09T16:30Z	0.936	false
2020-07-09T16:15Z	0.94	false
2020-07-09T16:00Z	0.943	false
2020-07-09T15:45Z	0.953	false
2020-07-09T15:30Z	0.953	false
2020-07-09T15:15Z	0.965	false
2020-07-09T15:00Z	0.968	false
2020-07-09T14:45Z	0.972	false
2020-07-09T14:30Z	0.983	false
2020-07-09T14:15Z	0.992	false
2020-07-09T14:00Z	1.006	false
2020-07-09T13:45Z	1.006	false
2020-07-09T13:30Z	1.011	false
2020-07-09T13:15Z	1.023	false
2020-07-09T13:00Z	1.028	false
2020-07-09T12:45Z	1.034	false
2020-07-09T12:30Z	1.045	false
2020-07-09T12:15Z	1.049	false
2020-07-09T12:00Z	1.056	false
2020-07-09T11:45Z	1.07	false
2020-07-09T11:30Z	1.076	false
2020-07-09T11:15Z	1.083	false
2020-07-09T11:00Z	1.092	false
2020-07-09T10:45Z	1.099	false
2020-07-09T10:30Z	1.104	false
2020-07-09T10:15Z	1.111	false
2020-07-09T10:00Z	1.124	false
2020-07-09T09:45Z	1.132	false
2020-07-09T09:30Z	1.14	false
2020-07-09T09:15Z	1.149	false
2020-07-09T09:00Z	1.162	false
2020-07-09T08:45Z	1.165	false
2020-07-09T08:30Z	1.177	false
2020-07-09T08:15Z	1.185	false
2020-07-09T08:00Z	1.198	false
2020-07-09T07:45Z	1.21	false
2020-07-09T07:30Z	1.219	false
2020-07-09T07:15Z	1.225	false
2020-07-09T07:00Z	1.235	false
2020-07-09T06:45Z	1.24	false
2020-07-09T06:30Z	1.244	false
2020-07-09T06:15Z	1.25	false
2020-07-09T06:00Z	1.241	false
2020-07-09T05:45Z	1.245	false
2020-07-09T05:30Z	1.256	false
2020-07-09T05:15Z	1.243	false
2020-07-09T05:00Z	1.247	false
2020-07-09T04:45Z	1.246	false
2020-07-09T04:30Z	1.241	false
2020-07-09T04:15Z	1.237	false
2020-07-09T04:00Z	1.229	false
2020-07-09T03:45Z	1.217	false
2020-07-09T03:30Z	1.206	false
2020-07-09T03:15Z	1.19	false
2020-07-09T03:00Z	1.17	false
2020-07-09T02:45Z	1.152	false
2020-07-09T02:30Z	1.137	false
2020-07-09T02:15Z	1.125	false
2020-07-09T02:00Z	1.104	false
2020-07-09T01:45Z	1.091	false
2020-07-09T01:30Z	1.081	false
2020-07-09T01:15Z	1.059	false
2020-07-09T01:00Z	1.042	false
2020-07-09T00:45Z	1.025	false
2020-07-09T00:30Z	1.016	false
2020-07-09T00:15Z	1.007	false
2020-07-09T00:00Z	1.005	false
2020-07-08T23:45Z	1.001	false
2020-07-08T23:30Z	1.005	false
2020-07-08T23:15Z	0.996	false
2020-07-08T23:00Z	0.974	false
2020-07-08T22:45Z	0.947	false
2020-07-08T22:30Z	0.926	false
2020-07-08T22:15Z	0.904	false
2020-07-08T22:00Z	0.894	false
2020-07-08T21:45Z	0.882	false
2020-07-08T21:30Z	0.862	false
2020-07-08T21:15Z	0.834	false
2020-07-08T21:00Z	0.815	false
2020-07-08T20:45Z	0.8	false
2020-07-08T20:30Z	0.78	false
2020-07-08T20:15Z	0.759	false
2020-07-08T20:00Z	0.729	false
2020-07-08T19:45Z	0.714	false
2020-07-08T19:30Z	0.709	false
2020-07-08T19:15Z	0.707	false
2020-07-08T19:00Z	0.708	false
2020-07-08T18:45Z	0.706	false
2020-07-08T18:30Z	0.705	false
2020-07-08T18:15Z	0.707	false
2020-07-08T18:00Z	0.704	false
2020-07-08T17:45Z	0.708	false
2020-07-08T17:30Z	0.705	false
2020-07-08T17:15Z	0.706	false
2020-07-08T17:00Z	0.704	false
2020-07-08T16:45Z	0.707	false
2020-07-08T16:30Z	0.708	false
2020-07-08T16:15Z	0.713	false
2020-07-08T16:00Z	0.721	false
2020-07-08T15:45Z	0.72	false
2020-07-08T15:30Z	0.722	false
2020-07-08T15:15Z	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
• 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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