River level River Derwent at Matlock

Latest recorded level 0.89m at 4:00am Saturday 25 January 2020.

Levels: last 5 days and next 36 hours

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• Measured level
• Forecast level
• Property flooding possible
• Low lying land may flood
• Highest recorded level. Hide
• Show highest recorded level

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Observed data

DateTime	Value	Error
2020-01-25T04:00Z	0.894	false
2020-01-25T03:45Z	0.893	false
2020-01-25T03:30Z	0.894	false
2020-01-25T03:15Z	0.893	false
2020-01-25T03:00Z	0.897	false
2020-01-25T02:45Z	0.895	false
2020-01-25T02:30Z	0.893	false
2020-01-25T02:15Z	0.895	false
2020-01-25T02:00Z	0.894	false
2020-01-25T01:45Z	0.894	false
2020-01-25T01:30Z	0.892	false
2020-01-25T01:15Z	0.893	false
2020-01-25T01:00Z	0.891	false
2020-01-25T00:45Z	0.892	false
2020-01-25T00:30Z	0.893	false
2020-01-25T00:15Z	0.895	false
2020-01-25T00:00Z	0.893	false
2020-01-24T23:45Z	0.897	false
2020-01-24T23:30Z	0.895	false
2020-01-24T23:15Z	0.896	false
2020-01-24T23:00Z	0.897	false
2020-01-24T22:45Z	0.898	false
2020-01-24T22:30Z	0.901	false
2020-01-24T22:15Z	0.901	false
2020-01-24T22:00Z	0.898	false
2020-01-24T21:45Z	0.898	false
2020-01-24T21:30Z	0.9	false
2020-01-24T21:15Z	0.898	false
2020-01-24T21:00Z	0.899	false
2020-01-24T20:45Z	0.897	false
2020-01-24T20:30Z	0.893	false
2020-01-24T20:15Z	0.897	false
2020-01-24T20:00Z	0.899	false
2020-01-24T19:45Z	0.897	false
2020-01-24T19:30Z	0.898	false
2020-01-24T19:15Z	0.9	false
2020-01-24T19:00Z	0.898	false
2020-01-24T18:45Z	0.899	false
2020-01-24T18:30Z	0.898	false
2020-01-24T18:15Z	0.897	false
2020-01-24T18:00Z	0.899	false
2020-01-24T17:45Z	0.899	false
2020-01-24T17:30Z	0.902	false
2020-01-24T17:15Z	0.901	false
2020-01-24T17:00Z	0.903	false
2020-01-24T16:45Z	0.905	false
2020-01-24T16:30Z	0.901	false
2020-01-24T16:15Z	0.904	false
2020-01-24T16:00Z	0.903	false
2020-01-24T15:45Z	0.9	false
2020-01-24T15:30Z	0.901	false
2020-01-24T15:15Z	0.9	false
2020-01-24T15:00Z	0.898	false
2020-01-24T14:45Z	0.903	false
2020-01-24T14:30Z	0.902	false
2020-01-24T14:15Z	0.902	false
2020-01-24T14:00Z	0.9	false
2020-01-24T13:45Z	0.9	false
2020-01-24T13:30Z	0.9	false
2020-01-24T13:15Z	0.9	false
2020-01-24T13:00Z	0.901	false
2020-01-24T12:45Z	0.9	false
2020-01-24T12:30Z	0.901	false
2020-01-24T12:15Z	0.9	false
2020-01-24T12:00Z	0.899	false
2020-01-24T11:45Z	0.901	false
2020-01-24T11:30Z	0.901	false
2020-01-24T11:15Z	0.9	false
2020-01-24T11:00Z	0.902	false
2020-01-24T10:45Z	0.901	false
2020-01-24T10:30Z	0.903	false
2020-01-24T10:15Z	0.901	false
2020-01-24T10:00Z	0.902	false
2020-01-24T09:45Z	0.906	false
2020-01-24T09:30Z	0.904	false
2020-01-24T09:15Z	0.906	false
2020-01-24T09:00Z	0.905	false
2020-01-24T08:45Z	0.904	false
2020-01-24T08:30Z	0.906	false
2020-01-24T08:15Z	0.906	false
2020-01-24T08:00Z	0.906	false
2020-01-24T07:45Z	0.906	false
2020-01-24T07:30Z	0.907	false
2020-01-24T07:15Z	0.907	false
2020-01-24T07:00Z	0.906	false
2020-01-24T06:45Z	0.905	false
2020-01-24T06:30Z	0.906	false
2020-01-24T06:15Z	0.904	false
2020-01-24T06:00Z	0.907	false
2020-01-24T05:45Z	0.906	false
2020-01-24T05:30Z	0.906	false
2020-01-24T05:15Z	0.906	false
2020-01-24T05:00Z	0.906	false
2020-01-24T04:45Z	0.905	false
2020-01-24T04:30Z	0.908	false
2020-01-24T04:15Z	0.906	false
2020-01-24T04:00Z	0.908	false
2020-01-24T03:45Z	0.908	false
2020-01-24T03:30Z	0.911	false
2020-01-24T03:15Z	0.906	false
2020-01-24T03:00Z	0.909	false
2020-01-24T02:45Z	0.91	false
2020-01-24T02:30Z	0.909	false
2020-01-24T02:15Z	0.909	false
2020-01-24T02:00Z	0.908	false
2020-01-24T01:45Z	0.909	false
2020-01-24T01:30Z	0.91	false
2020-01-24T01:15Z	0.908	false
2020-01-24T01:00Z	0.91	false
2020-01-24T00:45Z	0.91	false
2020-01-24T00:30Z	0.909	false
2020-01-24T00:15Z	0.913	false
2020-01-24T00:00Z	0.912	false
2020-01-23T23:45Z	0.91	false
2020-01-23T23:30Z	0.91	false
2020-01-23T23:15Z	0.912	false
2020-01-23T23:00Z	0.911	false
2020-01-23T22:45Z	0.915	false
2020-01-23T22:30Z	0.913	false
2020-01-23T22:15Z	0.915	false
2020-01-23T22:00Z	0.912	false
2020-01-23T21:45Z	0.914	false
2020-01-23T21:30Z	0.916	false
2020-01-23T21:15Z	0.916	false
2020-01-23T21:00Z	0.915	false
2020-01-23T20:45Z	0.915	false
2020-01-23T20:30Z	0.912	false
2020-01-23T20:15Z	0.913	false
2020-01-23T20:00Z	0.912	false
2020-01-23T19:45Z	0.91	false
2020-01-23T19:30Z	0.915	false
2020-01-23T19:15Z	0.912	false
2020-01-23T19:00Z	0.916	false
2020-01-23T18:45Z	0.917	false
2020-01-23T18:30Z	0.917	false
2020-01-23T18:15Z	0.918	false
2020-01-23T18:00Z	0.919	false
2020-01-23T17:45Z	0.917	false
2020-01-23T17:30Z	0.918	false
2020-01-23T17:15Z	0.916	false
2020-01-23T17:00Z	0.916	false
2020-01-23T16:45Z	0.917	false
2020-01-23T16:30Z	0.916	false
2020-01-23T16:15Z	0.916	false
2020-01-23T16:00Z	0.916	false
2020-01-23T15:45Z	0.913	false
2020-01-23T15:30Z	0.913	false
2020-01-23T15:15Z	0.915	false
2020-01-23T15:00Z	0.915	false
2020-01-23T14:45Z	0.915	false
2020-01-23T14:30Z	0.913	false
2020-01-23T14:15Z	0.917	false
2020-01-23T14:00Z	0.917	false
2020-01-23T13:45Z	0.917	false
2020-01-23T13:30Z	0.919	false
2020-01-23T13:15Z	0.917	false
2020-01-23T13:00Z	0.918	false
2020-01-23T12:45Z	0.921	false
2020-01-23T12:30Z	0.922	false
2020-01-23T12:15Z	0.921	false
2020-01-23T12:00Z	0.921	false
2020-01-23T11:45Z	0.921	false
2020-01-23T11:30Z	0.922	false
2020-01-23T11:15Z	0.924	false
2020-01-23T11:00Z	0.924	false
2020-01-23T10:45Z	0.923	false
2020-01-23T10:30Z	0.921	false
2020-01-23T10:15Z	0.922	false
2020-01-23T10:00Z	0.919	false
2020-01-23T09:45Z	0.922	false
2020-01-23T09:30Z	0.92	false
2020-01-23T09:15Z	0.923	false
2020-01-23T09:00Z	0.922	false
2020-01-23T08:45Z	0.922	false
2020-01-23T08:30Z	0.92	false
2020-01-23T08:15Z	0.923	false
2020-01-23T08:00Z	0.923	false
2020-01-23T07:45Z	0.924	false
2020-01-23T07:30Z	0.925	false
2020-01-23T07:15Z	0.925	false
2020-01-23T07:00Z	0.927	false
2020-01-23T06:45Z	0.925	false
2020-01-23T06:30Z	0.927	false
2020-01-23T06:15Z	0.925	false
2020-01-23T06:00Z	0.926	false
2020-01-23T05:45Z	0.932	false
2020-01-23T05:30Z	0.93	false
2020-01-23T05:15Z	0.931	false
2020-01-23T05:00Z	0.93	false
2020-01-23T04:45Z	0.932	false
2020-01-23T04:30Z	0.934	false
2020-01-23T04:15Z	0.935	false
2020-01-23T04:00Z	0.935	false
2020-01-23T03:45Z	0.936	false
2020-01-23T03:30Z	0.937	false
2020-01-23T03:15Z	0.937	false
2020-01-23T03:00Z	0.94	false
2020-01-23T02:45Z	0.941	false
2020-01-23T02:30Z	0.94	false
2020-01-23T02:15Z	0.942	false
2020-01-23T02:00Z	0.944	false
2020-01-23T01:45Z	0.944	false
2020-01-23T01:30Z	0.946	false
2020-01-23T01:15Z	0.947	false
2020-01-23T01:00Z	0.945	false
2020-01-23T00:45Z	0.949	false
2020-01-23T00:30Z	0.947	false
2020-01-23T00:15Z	0.952	false
2020-01-23T00:00Z	0.951	false
2020-01-22T23:45Z	0.946	false
2020-01-22T23:30Z	0.946	false
2020-01-22T23:15Z	0.948	false
2020-01-22T23:00Z	0.943	false
2020-01-22T22:45Z	0.94	false
2020-01-22T22:30Z	0.938	false
2020-01-22T22:15Z	0.935	false
2020-01-22T22:00Z	0.935	false
2020-01-22T21:45Z	0.933	false
2020-01-22T21:30Z	0.932	false
2020-01-22T21:15Z	0.934	false
2020-01-22T21:00Z	0.933	false
2020-01-22T20:45Z	0.934	false
2020-01-22T20:30Z	0.936	false
2020-01-22T20:15Z	0.933	false
2020-01-22T20:00Z	0.935	false
2020-01-22T19:45Z	0.936	false
2020-01-22T19:30Z	0.935	false
2020-01-22T19:15Z	0.936	false
2020-01-22T19:00Z	0.936	false
2020-01-22T18:45Z	0.936	false
2020-01-22T18:30Z	0.937	false
2020-01-22T18:15Z	0.939	false
2020-01-22T18:00Z	0.939	false
2020-01-22T17:45Z	0.938	false
2020-01-22T17:30Z	0.938	false
2020-01-22T17:15Z	0.939	false
2020-01-22T17:00Z	0.934	false
2020-01-22T16:45Z	0.938	false
2020-01-22T16:30Z	0.939	false
2020-01-22T16:15Z	0.939	false
2020-01-22T16:00Z	0.94	false
2020-01-22T15:45Z	0.942	false
2020-01-22T15:30Z	0.938	false
2020-01-22T15:15Z	0.94	false
2020-01-22T15:00Z	0.941	false
2020-01-22T14:45Z	0.94	false
2020-01-22T14:30Z	0.94	false
2020-01-22T14:15Z	0.942	false
2020-01-22T14:00Z	0.944	false
2020-01-22T13:45Z	0.943	false
2020-01-22T13:30Z	0.94	false
2020-01-22T13:15Z	0.943	false
2020-01-22T13:00Z	0.942	false
2020-01-22T12:45Z	0.941	false
2020-01-22T12:30Z	0.945	false
2020-01-22T12:15Z	0.943	false
2020-01-22T12:00Z	0.942	false
2020-01-22T11:45Z	0.942	false
2020-01-22T11:30Z	0.943	false
2020-01-22T11:15Z	0.944	false
2020-01-22T11:00Z	0.943	false
2020-01-22T10:45Z	0.946	false
2020-01-22T10:30Z	0.947	false
2020-01-22T10:15Z	0.943	false
2020-01-22T10:00Z	0.943	false
2020-01-22T09:45Z	0.946	false
2020-01-22T09:30Z	0.948	false
2020-01-22T09:15Z	0.945	false
2020-01-22T09:00Z	0.947	false
2020-01-22T08:45Z	0.948	false
2020-01-22T08:30Z	0.947	false
2020-01-22T08:15Z	0.947	false
2020-01-22T08:00Z	0.949	false
2020-01-22T07:45Z	0.948	false
2020-01-22T07:30Z	0.949	false
2020-01-22T07:15Z	0.95	false
2020-01-22T07:00Z	0.948	false
2020-01-22T06:45Z	0.948	false
2020-01-22T06:30Z	0.949	false
2020-01-22T06:15Z	0.949	false
2020-01-22T06:00Z	0.946	false
2020-01-22T05:45Z	0.95	false
2020-01-22T05:30Z	0.949	false
2020-01-22T05:15Z	0.951	false
2020-01-22T05:00Z	0.949	false
2020-01-22T04:45Z	0.951	false
2020-01-22T04:30Z	0.952	false
2020-01-22T04:15Z	0.949	false
2020-01-22T04:00Z	0.95	false
2020-01-22T03:45Z	0.951	false
2020-01-22T03:30Z	0.951	false
2020-01-22T03:15Z	0.951	false
2020-01-22T03:00Z	0.952	false
2020-01-22T02:45Z	0.952	false
2020-01-22T02:30Z	0.952	false
2020-01-22T02:15Z	0.953	false
2020-01-22T02:00Z	0.954	false
2020-01-22T01:45Z	0.954	false
2020-01-22T01:30Z	0.952	false
2020-01-22T01:15Z	0.955	false
2020-01-22T01:00Z	0.957	false
2020-01-22T00:45Z	0.956	false
2020-01-22T00:30Z	0.955	false
2020-01-22T00:15Z	0.957	false
2020-01-22T00:00Z	0.955	false
2020-01-21T23:45Z	0.955	false
2020-01-21T23:30Z	0.957	false
2020-01-21T23:15Z	0.958	false
2020-01-21T23:00Z	0.959	false
2020-01-21T22:45Z	0.959	false
2020-01-21T22:30Z	0.961	false
2020-01-21T22:15Z	0.963	false
2020-01-21T22:00Z	0.961	false
2020-01-21T21:45Z	0.96	false
2020-01-21T21:30Z	0.961	false
2020-01-21T21:15Z	0.963	false
2020-01-21T21:00Z	0.962	false
2020-01-21T20:45Z	0.963	false
2020-01-21T20:30Z	0.965	false
2020-01-21T20:15Z	0.964	false
2020-01-21T20:00Z	0.966	false
2020-01-21T19:45Z	0.968	false
2020-01-21T19:30Z	0.965	false
2020-01-21T19:15Z	0.966	false
2020-01-21T19:00Z	0.968	false
2020-01-21T18:45Z	0.966	false
2020-01-21T18:30Z	0.964	false
2020-01-21T18:15Z	0.967	false
2020-01-21T18:00Z	0.969	false
2020-01-21T17:45Z	0.965	false
2020-01-21T17:30Z	0.966	false
2020-01-21T17:15Z	0.969	false
2020-01-21T17:00Z	0.969	false
2020-01-21T16:45Z	0.966	false
2020-01-21T16:30Z	0.966	false
2020-01-21T16:15Z	0.968	false
2020-01-21T16:00Z	0.969	false
2020-01-21T15:45Z	0.969	false
2020-01-21T15:30Z	0.968	false
2020-01-21T15:15Z	0.97	false
2020-01-21T15:00Z	0.97	false
2020-01-21T14:45Z	0.968	false
2020-01-21T14:30Z	0.97	false
2020-01-21T14:15Z	0.971	false
2020-01-21T14:00Z	0.971	false
2020-01-21T13:45Z	0.971	false
2020-01-21T13:30Z	0.97	false
2020-01-21T13:15Z	0.972	false
2020-01-21T13:00Z	0.975	false
2020-01-21T12:45Z	0.975	false
2020-01-21T12:30Z	0.972	false
2020-01-21T12:15Z	0.975	false
2020-01-21T12:00Z	0.974	false
2020-01-21T11:45Z	0.976	false
2020-01-21T11:30Z	0.978	false
2020-01-21T11:15Z	0.977	false
2020-01-21T11:00Z	0.975	false
2020-01-21T10:45Z	0.978	false
2020-01-21T10:30Z	0.98	false
2020-01-21T10:15Z	0.979	false
2020-01-21T10:00Z	0.979	false
2020-01-21T09:45Z	0.978	false
2020-01-21T09:30Z	0.976	false
2020-01-21T09:15Z	0.977	false
2020-01-21T09:00Z	0.977	false
2020-01-21T08:45Z	0.975	false
2020-01-21T08:30Z	0.974	false
2020-01-21T08:15Z	0.972	false
2020-01-21T08:00Z	0.973	false
2020-01-21T07:45Z	0.974	false
2020-01-21T07:30Z	0.971	false
2020-01-21T07:15Z	0.975	false
2020-01-21T07:00Z	0.974	false
2020-01-21T06:45Z	0.975	false
2020-01-21T06:30Z	0.974	false
2020-01-21T06:15Z	0.977	false
2020-01-21T06:00Z	0.974	false
2020-01-21T05:45Z	0.977	false
2020-01-21T05:30Z	0.976	false
2020-01-21T05:15Z	0.978	false
2020-01-21T05:00Z	0.979	false
2020-01-21T04:45Z	0.978	false
2020-01-21T04:30Z	0.978	false
2020-01-21T04:15Z	0.979	false
2020-01-21T04:00Z	0.979	false
2020-01-21T03:45Z	0.981	false
2020-01-21T03:30Z	0.983	false
2020-01-21T03:15Z	0.984	false
2020-01-21T03:00Z	0.985	false
2020-01-21T02:45Z	0.982	false
2020-01-21T02:30Z	0.987	false
2020-01-21T02:15Z	0.986	false
2020-01-21T02:00Z	0.988	false
2020-01-21T01:45Z	0.987	false
2020-01-21T01:30Z	0.987	false
2020-01-21T01:15Z	0.987	false
2020-01-21T01:00Z	0.989	false
2020-01-21T00:45Z	0.986	false
2020-01-21T00:30Z	0.984	false
2020-01-21T00:15Z	0.987	false
2020-01-21T00:00Z	0.985	false
2020-01-20T23:45Z	0.988	false
2020-01-20T23:30Z	0.986	false
2020-01-20T23:15Z	0.987	false
2020-01-20T23:00Z	0.988	false
2020-01-20T22:45Z	0.989	false
2020-01-20T22:30Z	0.993	false
2020-01-20T22:15Z	0.992	false
2020-01-20T22:00Z	0.991	false
2020-01-20T21:45Z	0.99	false
2020-01-20T21:30Z	0.992	false
2020-01-20T21:15Z	0.993	false
2020-01-20T21:00Z	0.993	false
2020-01-20T20:45Z	0.99	false
2020-01-20T20:30Z	0.992	false
2020-01-20T20:15Z	0.991	false
2020-01-20T20:00Z	0.992	false
2020-01-20T19:45Z	0.992	false
2020-01-20T19:30Z	0.993	false
2020-01-20T19:15Z	0.989	false
2020-01-20T19:00Z	0.988	false
2020-01-20T18:45Z	0.99	false
2020-01-20T18:30Z	0.99	false
2020-01-20T18:15Z	0.991	false
2020-01-20T18:00Z	0.992	false
2020-01-20T17:45Z	0.993	false
2020-01-20T17:30Z	0.995	false
2020-01-20T17:15Z	0.994	false
2020-01-20T17:00Z	0.995	false
2020-01-20T16:45Z	0.999	false
2020-01-20T16:30Z	0.995	false
2020-01-20T16:15Z	0.996	false
2020-01-20T16:00Z	0.997	false
2020-01-20T15:45Z	0.995	false
2020-01-20T15:30Z	0.995	false
2020-01-20T15:15Z	0.996	false
2020-01-20T15:00Z	0.996	false
2020-01-20T14:45Z	0.993	false
2020-01-20T14:30Z	0.996	false
2020-01-20T14:15Z	0.996	false
2020-01-20T14:00Z	0.998	false
2020-01-20T13:45Z	0.996	false
2020-01-20T13:30Z	1	false
2020-01-20T13:15Z	1.003	false
2020-01-20T13:00Z	1.001	false
2020-01-20T12:45Z	1.002	false
2020-01-20T12:30Z	1.006	false
2020-01-20T12:15Z	1.002	false
2020-01-20T12:00Z	1.002	false
2020-01-20T11:45Z	1.004	false
2020-01-20T11:30Z	1.006	false
2020-01-20T11:15Z	1.003	false
2020-01-20T11:00Z	1.001	false
2020-01-20T10:45Z	1.003	false
2020-01-20T10:30Z	1.003	false
2020-01-20T10:15Z	1.002	false
2020-01-20T10:00Z	1.003	false
2020-01-20T09:45Z	1.002	false
2020-01-20T09:30Z	1.002	false
2020-01-20T09:15Z	1.005	false
2020-01-20T09:00Z	1.004	false
2020-01-20T08:45Z	1.005	false
2020-01-20T08:30Z	1.005	false
2020-01-20T08:15Z	1.005	false
2020-01-20T08:00Z	1.004	false
2020-01-20T07:45Z	1.005	false
2020-01-20T07:30Z	1.007	false
2020-01-20T07:15Z	1.007	false
2020-01-20T07:00Z	1.009	false
2020-01-20T06:45Z	1.009	false
2020-01-20T06:30Z	1.008	false
2020-01-20T06:15Z	1.007	false
2020-01-20T06:00Z	1.007	false
2020-01-20T05:45Z	1.011	false
2020-01-20T05:30Z	1.008	false
2020-01-20T05:15Z	1.01	false
2020-01-20T05:00Z	1.01	false
2020-01-20T04:45Z	1.011	false
2020-01-20T04:30Z	1.011	false
2020-01-20T04:15Z	1.013	false

Forecast data

January 25th 2020, 4:00:00 am	0.894
January 25th 2020, 5:00:00 am	0.894
January 25th 2020, 6:00:00 am	0.895
January 25th 2020, 7:00:00 am	0.895
January 25th 2020, 8:00:00 am	0.897
January 25th 2020, 9:00:00 am	0.896
January 25th 2020, 10:00:00 am	0.896
January 25th 2020, 11:00:00 am	0.896
January 25th 2020, 12:00:00 pm	0.896
January 25th 2020, 1:00:00 pm	0.896
January 25th 2020, 2:00:00 pm	0.895
January 25th 2020, 3:00:00 pm	0.895
January 25th 2020, 4:00:00 pm	0.895
January 25th 2020, 5:00:00 pm	0.895
January 25th 2020, 6:00:00 pm	0.894
January 25th 2020, 7:00:00 pm	0.894
January 25th 2020, 8:00:00 pm	0.894
January 25th 2020, 9:00:00 pm	0.893
January 25th 2020, 10:00:00 pm	0.893
January 25th 2020, 11:00:00 pm	0.892
January 26th 2020, 12:00:00 am	0.891
January 26th 2020, 1:00:00 am	0.889
January 26th 2020, 2:00:00 am	0.888
January 26th 2020, 3:00:00 am	0.887
January 26th 2020, 4:00:00 am	0.886
January 26th 2020, 5:00:00 am	0.885
January 26th 2020, 6:00:00 am	0.884
January 26th 2020, 7:00:00 am	0.883
January 26th 2020, 8:00:00 am	0.882
January 26th 2020, 9:00:00 am	0.882
January 26th 2020, 10:00:00 am	0.880
January 26th 2020, 11:00:00 am	0.879
January 26th 2020, 12:00:00 pm	0.878
January 26th 2020, 1:00:00 pm	0.878
January 26th 2020, 2:00:00 pm	0.881
January 26th 2020, 3:00:00 pm	0.890
January 26th 2020, 4:00:00 pm	0.904

Forecasts contain uncertainty and can change frequently. For the latest information, always check for up to date flood warnings and alerts in your area.

Key information

• Station name: Matlock
• Station ID: 2103
• River name: River Derwent
• Typical range: 0.29m to 2.50m
• Highest level on record: 5.18m on 10 December 1965
• Site datum: 82.95mAOD (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.

How are forecasts produced?

The forecasts shown here are computer models based on technical data, local conditions and Met Office rainfall predictions and may contain uncertainty. Because they’re linked to the weather, forecasts can change quickly. We update them more frequently if the risk of flooding increases.

When we issue flood warnings and alerts we assess many factors including these forecasts, local conditions, tides and the weather forecast.

Flood warnings and alerts can still be issued even if water levels at a measuring station are forecast to remain within its typical range. For the latest information, always check for up to date flood warnings and alerts.

What effect could these levels have on nearby areas?

Typical range at this location

0.29m to 2.50m.

Above 2.50m flooding of low-lying land may occur in these areas

• Lower Derwent in Derbyshire

Above 2.90m some property flooding may occur in these areas

• River Derwent at Ambergate
• River Derwent at Belper
• River Derwent at Churchtown and Northwood
• River Derwent at Darley Dale
• River Derwent at Duffield Church and Village Hall
• River Derwent at Little Eaton
• River Derwent at Matlock
• River Derwent at Matlock Bath
• River Derwent at Milford
• River Derwent at Whatstandwell including Cromford and Lea Wood
• Rivers Ecclesbourne and Derwent at Duffield

Highest forecast level at this location

The highest level forecast in the next 36 hours is 0.90m at 4:00pm Sunday 26 January 2020.

Highest level recorded at this location

5.18m on 10 December 1965

• View nearby measuring stations

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

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