River level Borehamwood Brook at Borehamwood

Check for flood warnings in this area

Latest recorded level 0.86m at 2:00am Sunday 5 July 2020.

River levels at this location in the last 5 days

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• Measured level
• When the water level reaches 1.80m 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
2020-07-05T01:00Z	0.864	false
2020-07-05T00:45Z	0.864	false
2020-07-05T00:30Z	0.863	false
2020-07-05T00:15Z	0.864	false
2020-07-05T00:00Z	0.863	false
2020-07-04T23:45Z	0.863	false
2020-07-04T23:30Z	0.862	false
2020-07-04T23:15Z	0.862	false
2020-07-04T23:00Z	0.862	false
2020-07-04T22:45Z	0.861	false
2020-07-04T22:30Z	0.861	false
2020-07-04T22:15Z	0.861	false
2020-07-04T22:00Z	0.862	false
2020-07-04T21:45Z	0.862	false
2020-07-04T21:30Z	0.861	false
2020-07-04T21:15Z	0.861	false
2020-07-04T21:00Z	0.861	false
2020-07-04T20:45Z	0.86	false
2020-07-04T20:30Z	0.861	false
2020-07-04T20:15Z	0.862	false
2020-07-04T20:00Z	0.861	false
2020-07-04T19:45Z	0.861	false
2020-07-04T19:30Z	0.861	false
2020-07-04T19:15Z	0.862	false
2020-07-04T19:00Z	0.862	false
2020-07-04T18:45Z	0.862	false
2020-07-04T18:30Z	0.862	false
2020-07-04T18:15Z	0.862	false
2020-07-04T18:00Z	0.863	false
2020-07-04T17:45Z	0.863	false
2020-07-04T17:30Z	0.864	false
2020-07-04T17:15Z	0.864	false
2020-07-04T17:00Z	0.864	false
2020-07-04T16:45Z	0.864	false
2020-07-04T16:30Z	0.864	false
2020-07-04T16:15Z	0.864	false
2020-07-04T16:00Z	0.864	false
2020-07-04T15:45Z	0.864	false
2020-07-04T15:30Z	0.866	false
2020-07-04T15:15Z	0.866	false
2020-07-04T15:00Z	0.866	false
2020-07-04T14:45Z	0.866	false
2020-07-04T14:30Z	0.866	false
2020-07-04T14:15Z	0.867	false
2020-07-04T14:00Z	0.868	false
2020-07-04T13:45Z	0.869	false
2020-07-04T13:30Z	0.869	false
2020-07-04T13:15Z	0.87	false
2020-07-04T13:00Z	0.87	false
2020-07-04T12:45Z	0.871	false
2020-07-04T12:30Z	0.873	false
2020-07-04T12:15Z	0.874	false
2020-07-04T12:00Z	0.875	false
2020-07-04T11:45Z	0.875	false
2020-07-04T11:30Z	0.875	false
2020-07-04T11:15Z	0.875	false
2020-07-04T11:00Z	0.876	false
2020-07-04T10:45Z	0.876	false
2020-07-04T10:30Z	0.877	false
2020-07-04T10:15Z	0.878	false
2020-07-04T10:00Z	0.881	false
2020-07-04T09:45Z	0.881	false
2020-07-04T09:30Z	0.883	false
2020-07-04T09:15Z	0.885	false
2020-07-04T09:00Z	0.887	false
2020-07-04T08:45Z	0.89	false
2020-07-04T08:30Z	0.892	false
2020-07-04T08:15Z	0.894	false
2020-07-04T08:00Z	0.898	false
2020-07-04T07:45Z	0.901	false
2020-07-04T07:30Z	0.905	false
2020-07-04T07:15Z	0.908	false
2020-07-04T07:00Z	0.912	false
2020-07-04T06:45Z	0.914	false
2020-07-04T06:30Z	0.918	false
2020-07-04T06:15Z	0.919	false
2020-07-04T06:00Z	0.919	false
2020-07-04T05:45Z	0.917	false
2020-07-04T05:30Z	0.912	false
2020-07-04T05:15Z	0.903	false
2020-07-04T05:00Z	0.893	false
2020-07-04T04:45Z	0.889	false
2020-07-04T04:30Z	0.889	false
2020-07-04T04:15Z	0.886	false
2020-07-04T04:00Z	0.882	false
2020-07-04T03:45Z	0.88	false
2020-07-04T03:30Z	0.877	false
2020-07-04T03:15Z	0.873	false
2020-07-04T03:00Z	0.871	false
2020-07-04T02:45Z	0.87	false
2020-07-04T02:30Z	0.869	false
2020-07-04T02:15Z	0.869	false
2020-07-04T02:00Z	0.87	false
2020-07-04T01:45Z	0.871	false
2020-07-04T01:30Z	0.872	false
2020-07-04T01:15Z	0.873	false
2020-07-04T01:00Z	0.874	false
2020-07-04T00:45Z	0.875	false
2020-07-04T00:30Z	0.876	false
2020-07-04T00:15Z	0.878	false
2020-07-04T00:00Z	0.879	false
2020-07-03T23:45Z	0.88	false
2020-07-03T23:30Z	0.88	false
2020-07-03T23:15Z	0.881	false
2020-07-03T23:00Z	0.88	false
2020-07-03T22:45Z	0.879	false
2020-07-03T22:30Z	0.877	false
2020-07-03T22:15Z	0.874	false
2020-07-03T22:00Z	0.871	false
2020-07-03T21:45Z	0.868	false
2020-07-03T21:30Z	0.866	false
2020-07-03T21:15Z	0.867	false
2020-07-03T21:00Z	0.867	false
2020-07-03T20:45Z	0.867	false
2020-07-03T20:30Z	0.865	false
2020-07-03T20:15Z	0.862	false
2020-07-03T20:00Z	0.86	false
2020-07-03T19:45Z	0.858	false
2020-07-03T19:30Z	0.857	false
2020-07-03T19:15Z	0.857	false
2020-07-03T19:00Z	0.856	false
2020-07-03T18:45Z	0.856	false
2020-07-03T18:30Z	0.857	false
2020-07-03T18:15Z	0.856	false
2020-07-03T18:00Z	0.857	false
2020-07-03T17:45Z	0.857	false
2020-07-03T17:30Z	0.857	false
2020-07-03T17:15Z	0.856	false
2020-07-03T17:00Z	0.857	false
2020-07-03T16:45Z	0.857	false
2020-07-03T16:30Z	0.857	false
2020-07-03T16:15Z	0.857	false
2020-07-03T16:00Z	0.857	false
2020-07-03T15:45Z	0.857	false
2020-07-03T15:30Z	0.857	false
2020-07-03T15:15Z	0.857	false
2020-07-03T15:00Z	0.857	false
2020-07-03T14:45Z	0.858	false
2020-07-03T14:30Z	0.858	false
2020-07-03T14:15Z	0.858	false
2020-07-03T14:00Z	0.857	false
2020-07-03T13:45Z	0.858	false
2020-07-03T13:30Z	0.858	false
2020-07-03T13:15Z	0.858	false
2020-07-03T13:00Z	0.858	false
2020-07-03T12:45Z	0.858	false
2020-07-03T12:30Z	0.859	false
2020-07-03T12:15Z	0.858	false
2020-07-03T12:00Z	0.858	false
2020-07-03T11:45Z	0.858	false
2020-07-03T11:30Z	0.859	false
2020-07-03T11:15Z	0.859	false
2020-07-03T11:00Z	0.859	false
2020-07-03T10:45Z	0.859	false
2020-07-03T10:30Z	0.859	false
2020-07-03T10:15Z	0.859	false
2020-07-03T10:00Z	0.859	false
2020-07-03T09:45Z	0.859	false
2020-07-03T09:30Z	0.86	false
2020-07-03T09:15Z	0.859	false
2020-07-03T09:00Z	0.86	false
2020-07-03T08:45Z	0.86	false
2020-07-03T08:30Z	0.861	false
2020-07-03T08:15Z	0.861	false
2020-07-03T08:00Z	0.86	false
2020-07-03T07:45Z	0.861	false
2020-07-03T07:30Z	0.861	false
2020-07-03T07:15Z	0.862	false
2020-07-03T07:00Z	0.862	false
2020-07-03T06:45Z	0.863	false
2020-07-03T06:30Z	0.862	false
2020-07-03T06:15Z	0.862	false
2020-07-03T06:00Z	0.863	false
2020-07-03T05:45Z	0.863	false
2020-07-03T05:30Z	0.863	false
2020-07-03T05:15Z	0.864	false
2020-07-03T05:00Z	0.864	false
2020-07-03T04:45Z	0.864	false
2020-07-03T04:30Z	0.864	false
2020-07-03T04:15Z	0.865	false
2020-07-03T04:00Z	0.866	false
2020-07-03T03:45Z	0.867	false
2020-07-03T03:30Z	0.868	false
2020-07-03T03:15Z	0.868	false
2020-07-03T03:00Z	0.869	false
2020-07-03T02:45Z	0.869	false
2020-07-03T02:30Z	0.87	false
2020-07-03T02:15Z	0.871	false
2020-07-03T02:00Z	0.872	false
2020-07-03T01:45Z	0.873	false
2020-07-03T01:30Z	0.874	false
2020-07-03T01:15Z	0.876	false
2020-07-03T01:00Z	0.877	false
2020-07-03T00:45Z	0.878	false
2020-07-03T00:30Z	0.88	false
2020-07-03T00:15Z	0.882	false
2020-07-03T00:00Z	0.884	false
2020-07-02T23:45Z	0.886	false
2020-07-02T23:30Z	0.888	false
2020-07-02T23:15Z	0.891	false
2020-07-02T23:00Z	0.894	false
2020-07-02T22:45Z	0.897	false
2020-07-02T22:30Z	0.901	false
2020-07-02T22:15Z	0.905	false
2020-07-02T22:00Z	0.91	false
2020-07-02T21:45Z	0.915	false
2020-07-02T21:30Z	0.921	false
2020-07-02T21:15Z	0.927	false
2020-07-02T21:00Z	0.935	false
2020-07-02T20:45Z	0.942	false
2020-07-02T20:30Z	0.953	false
2020-07-02T20:15Z	0.962	false
2020-07-02T20:00Z	0.973	false
2020-07-02T19:45Z	0.983	false
2020-07-02T19:30Z	0.995	false
2020-07-02T19:15Z	1.005	false
2020-07-02T19:00Z	1.019	false
2020-07-02T18:45Z	1.03	false
2020-07-02T18:30Z	1.044	false
2020-07-02T18:15Z	1.054	false
2020-07-02T18:00Z	1.057	false
2020-07-02T17:45Z	1.045	false
2020-07-02T17:30Z	1.014	false
2020-07-02T17:15Z	0.988	false
2020-07-02T17:00Z	0.99	false
2020-07-02T16:45Z	1.007	false
2020-07-02T16:30Z	1.048	false
2020-07-02T16:15Z	0.979	false
2020-07-02T16:00Z	0.85	false
2020-07-02T15:45Z	0.849	false
2020-07-02T15:30Z	0.849	false
2020-07-02T15:15Z	0.848	false
2020-07-02T15:00Z	0.849	false
2020-07-02T14:45Z	0.849	false
2020-07-02T14:30Z	0.849	false
2020-07-02T14:15Z	0.85	false
2020-07-02T14:00Z	0.849	false
2020-07-02T13:45Z	0.849	false
2020-07-02T13:30Z	0.849	false
2020-07-02T13:15Z	0.85	false
2020-07-02T13:00Z	0.85	false
2020-07-02T12:45Z	0.849	false
2020-07-02T12:30Z	0.849	false
2020-07-02T12:15Z	0.849	false
2020-07-02T12:00Z	0.848	false
2020-07-02T11:45Z	0.849	false
2020-07-02T11:30Z	0.849	false
2020-07-02T11:15Z	0.849	false
2020-07-02T11:00Z	0.85	false
2020-07-02T10:45Z	0.85	false
2020-07-02T10:30Z	0.849	false
2020-07-02T10:15Z	0.85	false
2020-07-02T10:00Z	0.85	false
2020-07-02T09:45Z	0.849	false
2020-07-02T09:30Z	0.85	false
2020-07-02T09:15Z	0.85	false
2020-07-02T09:00Z	0.85	false
2020-07-02T08:45Z	0.85	false
2020-07-02T08:30Z	0.85	false
2020-07-02T08:15Z	0.849	false
2020-07-02T08:00Z	0.851	false
2020-07-02T07:45Z	0.85	false
2020-07-02T07:30Z	0.851	false
2020-07-02T07:15Z	0.85	false
2020-07-02T07:00Z	0.851	false
2020-07-02T06:45Z	0.851	false
2020-07-02T06:30Z	0.851	false
2020-07-02T06:15Z	0.85	false
2020-07-02T06:00Z	0.851	false
2020-07-02T05:45Z	0.851	false
2020-07-02T05:30Z	0.851	false
2020-07-02T05:15Z	0.851	false
2020-07-02T05:00Z	0.851	false
2020-07-02T04:45Z	0.851	false
2020-07-02T04:30Z	0.851	false
2020-07-02T04:15Z	0.851	false
2020-07-02T04:00Z	0.852	false
2020-07-02T03:45Z	0.852	false
2020-07-02T03:30Z	0.853	false
2020-07-02T03:15Z	0.853	false
2020-07-02T03:00Z	0.853	false
2020-07-02T02:45Z	0.853	false
2020-07-02T02:30Z	0.854	false
2020-07-02T02:15Z	0.854	false
2020-07-02T02:00Z	0.854	false
2020-07-02T01:45Z	0.854	false
2020-07-02T01:30Z	0.855	false
2020-07-02T01:15Z	0.855	false
2020-07-02T01:00Z	0.854	false
2020-07-02T00:45Z	0.855	false
2020-07-02T00:30Z	0.856	false
2020-07-02T00:15Z	0.856	false
2020-07-02T00:00Z	0.857	false
2020-07-01T23:45Z	0.857	false
2020-07-01T23:30Z	0.858	false
2020-07-01T23:15Z	0.858	false
2020-07-01T23:00Z	0.859	false
2020-07-01T22:45Z	0.86	false
2020-07-01T22:30Z	0.861	false
2020-07-01T22:15Z	0.862	false
2020-07-01T22:00Z	0.863	false
2020-07-01T21:45Z	0.865	false
2020-07-01T21:30Z	0.866	false
2020-07-01T21:15Z	0.868	false
2020-07-01T21:00Z	0.87	false
2020-07-01T20:45Z	0.872	false
2020-07-01T20:30Z	0.874	false
2020-07-01T20:15Z	0.877	false
2020-07-01T20:00Z	0.88	false
2020-07-01T19:45Z	0.881	false
2020-07-01T19:30Z	0.882	false
2020-07-01T19:15Z	0.882	false
2020-07-01T19:00Z	0.881	false
2020-07-01T18:45Z	0.879	false
2020-07-01T18:30Z	0.874	false
2020-07-01T18:15Z	0.869	false
2020-07-01T18:00Z	0.87	false
2020-07-01T17:45Z	0.876	false
2020-07-01T17:30Z	0.89	false
2020-07-01T17:15Z	0.91	false
2020-07-01T17:00Z	0.926	false
2020-07-01T16:45Z	0.904	false
2020-07-01T16:30Z	0.856	false
2020-07-01T16:15Z	0.854	false
2020-07-01T16:00Z	0.857	false
2020-07-01T15:45Z	0.856	false
2020-07-01T15:30Z	0.856	false
2020-07-01T15:15Z	0.856	false
2020-07-01T15:00Z	0.856	false
2020-07-01T14:45Z	0.857	false
2020-07-01T14:30Z	0.856	false
2020-07-01T14:15Z	0.857	false
2020-07-01T14:00Z	0.856	false
2020-07-01T13:45Z	0.856	false
2020-07-01T13:30Z	0.857	false
2020-07-01T13:15Z	0.857	false
2020-07-01T13:00Z	0.857	false
2020-07-01T12:45Z	0.857	false
2020-07-01T12:30Z	0.857	false
2020-07-01T12:15Z	0.857	false
2020-07-01T12:00Z	0.857	false
2020-07-01T11:45Z	0.858	false
2020-07-01T11:30Z	0.857	false
2020-07-01T11:15Z	0.858	false
2020-07-01T11:00Z	0.858	false
2020-07-01T10:45Z	0.859	false
2020-07-01T10:30Z	0.862	false
2020-07-01T10:15Z	0.869	false
2020-07-01T10:00Z	0.877	false
2020-07-01T09:45Z	0.873	false
2020-07-01T09:30Z	0.873	false
2020-07-01T09:15Z	0.874	false
2020-07-01T09:00Z	0.873	false
2020-07-01T08:45Z	0.874	false
2020-07-01T08:30Z	0.87	false
2020-07-01T08:15Z	0.871	false
2020-07-01T08:00Z	0.873	false
2020-07-01T07:45Z	0.873	false
2020-07-01T07:30Z	0.873	false
2020-07-01T07:15Z	0.873	false
2020-07-01T07:00Z	0.873	false
2020-07-01T06:45Z	0.874	false
2020-07-01T06:30Z	0.874	false
2020-07-01T06:15Z	0.873	false
2020-07-01T06:00Z	0.874	false
2020-07-01T05:45Z	0.874	false
2020-07-01T05:30Z	0.874	false
2020-07-01T05:15Z	0.874	false
2020-07-01T05:00Z	0.874	false
2020-07-01T04:45Z	0.874	false
2020-07-01T04:30Z	0.874	false
2020-07-01T04:15Z	0.874	false
2020-07-01T04:00Z	0.874	false
2020-07-01T03:45Z	0.874	false
2020-07-01T03:30Z	0.874	false
2020-07-01T03:15Z	0.875	false
2020-07-01T03:00Z	0.874	false
2020-07-01T02:45Z	0.875	false
2020-07-01T02:30Z	0.875	false
2020-07-01T02:15Z	0.875	false
2020-07-01T02:00Z	0.875	false
2020-07-01T01:45Z	0.875	false
2020-07-01T01:30Z	0.875	false
2020-07-01T01:15Z	0.874	false
2020-07-01T01:00Z	0.874	false
2020-07-01T00:45Z	0.874	false
2020-07-01T00:30Z	0.874	false
2020-07-01T00:15Z	0.874	false
2020-07-01T00:00Z	0.873	false
2020-06-30T23:45Z	0.874	false
2020-06-30T23:30Z	0.874	false
2020-06-30T23:15Z	0.874	false
2020-06-30T23:00Z	0.873	false
2020-06-30T22:45Z	0.873	false
2020-06-30T22:30Z	0.874	false
2020-06-30T22:15Z	0.873	false
2020-06-30T22:00Z	0.874	false
2020-06-30T21:45Z	0.874	false
2020-06-30T21:30Z	0.874	false
2020-06-30T21:15Z	0.873	false
2020-06-30T21:00Z	0.874	false
2020-06-30T20:45Z	0.873	false
2020-06-30T20:30Z	0.874	false
2020-06-30T20:15Z	0.874	false
2020-06-30T20:00Z	0.874	false
2020-06-30T19:45Z	0.875	false
2020-06-30T19:30Z	0.874	false
2020-06-30T19:15Z	0.874	false
2020-06-30T19:00Z	0.875	false
2020-06-30T18:45Z	0.875	false
2020-06-30T18:30Z	0.875	false
2020-06-30T18:15Z	0.874	false
2020-06-30T18:00Z	0.875	false
2020-06-30T17:45Z	0.874	false
2020-06-30T17:30Z	0.875	false
2020-06-30T17:15Z	0.875	false
2020-06-30T17:00Z	0.874	false
2020-06-30T16:45Z	0.875	false
2020-06-30T16:30Z	0.874	false
2020-06-30T16:15Z	0.874	false
2020-06-30T16:00Z	0.874	false
2020-06-30T15:45Z	0.874	false
2020-06-30T15:30Z	0.874	false
2020-06-30T15:15Z	0.873	false
2020-06-30T15:00Z	0.873	false
2020-06-30T14:45Z	0.874	false
2020-06-30T14:30Z	0.873	false
2020-06-30T14:15Z	0.873	false
2020-06-30T14:00Z	0.874	false
2020-06-30T13:45Z	0.874	false
2020-06-30T13:30Z	0.874	false
2020-06-30T13:15Z	0.873	false
2020-06-30T13:00Z	0.873	false
2020-06-30T12:45Z	0.873	false
2020-06-30T12:30Z	0.873	false
2020-06-30T12:15Z	0.873	false
2020-06-30T12:00Z	0.872	false
2020-06-30T11:45Z	0.872	false
2020-06-30T11:30Z	0.873	false
2020-06-30T11:15Z	0.869	false
2020-06-30T11:00Z	0.87	false
2020-06-30T10:45Z	0.87	false
2020-06-30T10:30Z	0.87	false
2020-06-30T10:15Z	0.871	false
2020-06-30T10:00Z	0.869	false
2020-06-30T09:45Z	0.869	false
2020-06-30T09:30Z	0.872	false
2020-06-30T09:15Z	0.871	false
2020-06-30T09:00Z	0.868	false
2020-06-30T08:45Z	0.868	false
2020-06-30T08:30Z	0.868	false
2020-06-30T08:15Z	0.868	false
2020-06-30T08:00Z	0.868	false
2020-06-30T07:45Z	0.868	false
2020-06-30T07:30Z	0.868	false
2020-06-30T07:15Z	0.867	false
2020-06-30T07:00Z	0.867	false
2020-06-30T06:45Z	0.867	false
2020-06-30T06:30Z	0.867	false
2020-06-30T06:15Z	0.867	false
2020-06-30T06:00Z	0.867	false
2020-06-30T05:45Z	0.867	false
2020-06-30T05:30Z	0.868	false
2020-06-30T05:15Z	0.868	false
2020-06-30T05:00Z	0.868	false
2020-06-30T04:45Z	0.868	false
2020-06-30T04:30Z	0.869	false
2020-06-30T04:15Z	0.868	false
2020-06-30T04:00Z	0.869	false
2020-06-30T03:45Z	0.869	false
2020-06-30T03:30Z	0.87	false
2020-06-30T03:15Z	0.869	false
2020-06-30T03:00Z	0.87	false
2020-06-30T02:45Z	0.87	false
2020-06-30T02:30Z	0.87	false
2020-06-30T02:15Z	0.87	false
2020-06-30T02:00Z	0.87	false
2020-06-30T01:45Z	0.87	false
2020-06-30T01:30Z	0.871	false
2020-06-30T01:15Z	0.87	false

Forecast data

Key information

• Station name: Borehamwood
• Station ID: 7006
• River name: Borehamwood Brook
• Typical range: 0.83m to 1.80m
• Highest level on record: 2.03m on 17 August 2010
• Site datum: 77.00mAOD (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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