River level Charlton Brook at High Green

Check for flood warnings in this area

Latest recorded level 0.10m at 5:15am Tuesday 22 January 2019.

River levels at this location in the last 5 days

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• Measured level
• When the water level reaches 0.35m here, minor flooding is possible in this area
• Highest recorded level. Hide
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Observed data

DateTime	Value	Error
2019-01-22T05:15Z	0.104	false
2019-01-22T05:00Z	0.1	false
2019-01-22T04:45Z	0.095	false
2019-01-22T04:30Z	0.092	false
2019-01-22T04:15Z	0.094	false
2019-01-22T04:00Z	0.095	false
2019-01-22T03:45Z	0.096	false
2019-01-22T03:30Z	0.098	false
2019-01-22T03:15Z	0.098	false
2019-01-22T03:00Z	0.101	false
2019-01-22T02:45Z	0.103	false
2019-01-22T02:30Z	0.106	false
2019-01-22T02:15Z	0.111	false
2019-01-22T02:00Z	0.116	false
2019-01-22T01:45Z	0.121	false
2019-01-22T01:30Z	0.123	false
2019-01-22T01:15Z	0.131	false
2019-01-22T01:00Z	0.152	false
2019-01-22T00:45Z	0.16	false
2019-01-22T00:30Z	0.154	false
2019-01-22T00:15Z	0.136	false
2019-01-22T00:00Z	0.134	false
2019-01-21T23:45Z	0.125	false
2019-01-21T23:30Z	0.119	false
2019-01-21T23:15Z	0.104	false
2019-01-21T23:00Z	0.096	false
2019-01-21T22:45Z	0.09	false
2019-01-21T22:30Z	0.08	false
2019-01-21T22:15Z	0.073	false
2019-01-21T22:00Z	0.071	false
2019-01-21T21:45Z	0.058	false
2019-01-21T21:30Z	0.057	false
2019-01-21T21:15Z	0.057	false
2019-01-21T21:00Z	0.057	false
2019-01-21T20:45Z	0.056	false
2019-01-21T20:30Z	0.056	false
2019-01-21T20:15Z	0.056	false
2019-01-21T20:00Z	0.056	false
2019-01-21T19:45Z	0.056	false
2019-01-21T19:30Z	0.057	false
2019-01-21T19:15Z	0.056	false
2019-01-21T19:00Z	0.056	false
2019-01-21T18:45Z	0.056	false
2019-01-21T18:30Z	0.056	false
2019-01-21T18:15Z	0.055	false
2019-01-21T12:15Z	0.056	false
2019-01-21T12:00Z	0.056	false
2019-01-21T11:45Z	0.057	false
2019-01-21T11:30Z	0.056	false
2019-01-21T11:15Z	0.057	false
2019-01-21T11:00Z	0.056	false
2019-01-21T10:45Z	0.057	false
2019-01-21T10:30Z	0.056	false
2019-01-21T10:15Z	0.056	false
2019-01-21T10:00Z	0.056	false
2019-01-21T09:45Z	0.057	false
2019-01-21T09:30Z	0.057	false
2019-01-21T09:15Z	0.058	false
2019-01-21T09:00Z	0.057	false
2019-01-21T08:45Z	0.057	false
2019-01-21T08:30Z	0.056	false
2019-01-21T08:15Z	0.057	false
2019-01-21T08:00Z	0.057	false
2019-01-21T07:45Z	0.056	false
2019-01-21T07:30Z	0.057	false
2019-01-21T07:15Z	0.057	false
2019-01-21T07:00Z	0.056	false
2019-01-21T06:45Z	0.057	false
2019-01-21T06:30Z	0.056	false
2019-01-21T06:15Z	0.056	false
2019-01-21T06:00Z	0.056	false
2019-01-21T05:45Z	0.056	false
2019-01-21T05:30Z	0.056	false
2019-01-21T05:15Z	0.056	false
2019-01-21T05:00Z	0.056	false
2019-01-21T04:45Z	0.056	false
2019-01-21T04:30Z	0.056	false
2019-01-21T04:15Z	0.056	false
2019-01-21T04:00Z	0.057	false
2019-01-21T03:45Z	0.056	false
2019-01-21T03:30Z	0.056	false
2019-01-21T03:15Z	0.056	false
2019-01-21T03:00Z	0.057	false
2019-01-21T02:45Z	0.056	false
2019-01-21T02:30Z	0.056	false
2019-01-21T02:15Z	0.057	false
2019-01-21T02:00Z	0.056	false
2019-01-21T01:45Z	0.057	false
2019-01-21T01:30Z	0.057	false
2019-01-21T01:15Z	0.057	false
2019-01-21T01:00Z	0.057	false
2019-01-21T00:45Z	0.057	false
2019-01-21T00:30Z	0.057	false
2019-01-21T00:15Z	0.058	false
2019-01-21T00:00Z	0.057	false
2019-01-20T23:45Z	0.057	false
2019-01-20T23:30Z	0.058	false
2019-01-20T23:15Z	0.058	false
2019-01-20T23:00Z	0.058	false
2019-01-20T22:45Z	0.058	false
2019-01-20T22:30Z	0.057	false
2019-01-20T22:15Z	0.058	false
2019-01-20T22:00Z	0.058	false
2019-01-20T21:45Z	0.058	false
2019-01-20T21:30Z	0.058	false
2019-01-20T21:15Z	0.058	false
2019-01-20T21:00Z	0.058	false
2019-01-20T20:45Z	0.058	false
2019-01-20T20:30Z	0.057	false
2019-01-20T20:15Z	0.057	false
2019-01-20T20:00Z	0.057	false
2019-01-20T19:45Z	0.057	false
2019-01-20T19:30Z	0.058	false
2019-01-20T19:15Z	0.057	false
2019-01-20T19:00Z	0.057	false
2019-01-20T18:45Z	0.058	false
2019-01-20T18:30Z	0.057	false
2019-01-20T18:15Z	0.057	false
2019-01-20T18:00Z	0.057	false
2019-01-20T17:45Z	0.057	false
2019-01-20T17:30Z	0.057	false
2019-01-20T17:15Z	0.057	false
2019-01-20T17:00Z	0.057	false
2019-01-20T16:45Z	0.057	false
2019-01-20T16:30Z	0.056	false
2019-01-20T16:15Z	0.057	false
2019-01-20T16:00Z	0.057	false
2019-01-20T15:45Z	0.056	false
2019-01-20T15:30Z	0.055	false
2019-01-20T15:15Z	0.057	false
2019-01-20T15:00Z	0.057	false
2019-01-20T14:45Z	0.057	false
2019-01-20T14:30Z	0.058	false
2019-01-20T14:15Z	0.057	false
2019-01-20T14:00Z	0.058	false
2019-01-20T13:45Z	0.057	false
2019-01-20T13:30Z	0.057	false
2019-01-20T13:15Z	0.057	false
2019-01-20T13:00Z	0.057	false
2019-01-20T12:45Z	0.058	false
2019-01-20T12:30Z	0.058	false
2019-01-20T12:15Z	0.058	false
2019-01-20T12:00Z	0.059	false
2019-01-20T11:45Z	0.058	false
2019-01-20T11:30Z	0.059	false
2019-01-20T11:15Z	0.059	false
2019-01-20T11:00Z	0.059	false
2019-01-20T10:45Z	0.059	false
2019-01-20T10:30Z	0.059	false
2019-01-20T10:15Z	0.059	false
2019-01-20T10:00Z	0.059	false
2019-01-20T09:45Z	0.059	false
2019-01-20T09:30Z	0.059	false
2019-01-20T09:15Z	0.059	false
2019-01-20T09:00Z	0.059	false
2019-01-20T08:45Z	0.059	false
2019-01-20T08:30Z	0.059	false
2019-01-20T08:15Z	0.06	false
2019-01-20T08:00Z	0.06	false
2019-01-20T07:45Z	0.059	false
2019-01-20T07:30Z	0.06	false
2019-01-20T07:15Z	0.06	false
2019-01-20T07:00Z	0.06	false
2019-01-20T06:45Z	0.06	false
2019-01-20T06:30Z	0.06	false
2019-01-20T06:15Z	0.06	false
2019-01-20T06:00Z	0.06	false
2019-01-20T05:45Z	0.06	false
2019-01-20T05:30Z	0.06	false
2019-01-20T05:15Z	0.06	false
2019-01-20T05:00Z	0.06	false
2019-01-20T04:45Z	0.06	false
2019-01-20T04:30Z	0.061	false
2019-01-20T04:15Z	0.06	false
2019-01-20T04:00Z	0.06	false
2019-01-20T03:45Z	0.06	false
2019-01-20T03:30Z	0.06	false
2019-01-20T03:15Z	0.06	false
2019-01-20T03:00Z	0.061	false
2019-01-20T02:45Z	0.061	false
2019-01-20T02:30Z	0.06	false
2019-01-20T02:15Z	0.061	false
2019-01-20T02:00Z	0.061	false
2019-01-20T01:45Z	0.061	false
2019-01-20T01:30Z	0.061	false
2019-01-20T01:15Z	0.061	false
2019-01-20T01:00Z	0.06	false
2019-01-20T00:45Z	0.061	false
2019-01-20T00:30Z	0.061	false
2019-01-20T00:15Z	0.061	false
2019-01-20T00:00Z	0.062	false
2019-01-19T23:45Z	0.062	false
2019-01-19T23:30Z	0.062	false
2019-01-19T23:15Z	0.061	false
2019-01-19T23:00Z	0.062	false
2019-01-19T22:45Z	0.062	false
2019-01-19T22:30Z	0.062	false
2019-01-19T22:15Z	0.062	false
2019-01-19T22:00Z	0.062	false
2019-01-19T21:45Z	0.062	false
2019-01-19T21:30Z	0.062	false
2019-01-19T21:15Z	0.062	false
2019-01-19T21:00Z	0.062	false
2019-01-19T20:45Z	0.062	false
2019-01-19T20:30Z	0.062	false
2019-01-19T20:15Z	0.063	false
2019-01-19T20:00Z	0.063	false
2019-01-19T19:45Z	0.063	false
2019-01-19T19:30Z	0.063	false
2019-01-19T19:15Z	0.062	false
2019-01-19T19:00Z	0.062	false
2019-01-19T18:45Z	0.063	false
2019-01-19T18:30Z	0.063	false
2019-01-19T18:15Z	0.063	false
2019-01-19T18:00Z	0.063	false
2019-01-19T17:45Z	0.063	false
2019-01-19T17:30Z	0.063	false
2019-01-19T17:15Z	0.063	false
2019-01-19T17:00Z	0.063	false
2019-01-19T16:45Z	0.063	false
2019-01-19T16:30Z	0.063	false
2019-01-19T16:15Z	0.063	false
2019-01-19T16:00Z	0.064	false
2019-01-19T15:45Z	0.063	false
2019-01-19T15:30Z	0.064	false
2019-01-19T15:15Z	0.064	false
2019-01-19T15:00Z	0.064	false
2019-01-19T14:45Z	0.063	false
2019-01-19T14:30Z	0.064	false
2019-01-19T14:15Z	0.064	false
2019-01-19T14:00Z	0.064	false
2019-01-19T13:45Z	0.064	false
2019-01-19T13:30Z	0.065	false
2019-01-19T13:15Z	0.065	false
2019-01-19T13:00Z	0.065	false
2019-01-19T12:45Z	0.065	false
2019-01-19T12:30Z	0.065	false
2019-01-19T12:15Z	0.065	false
2019-01-19T12:00Z	0.065	false
2019-01-19T11:45Z	0.066	false
2019-01-19T11:30Z	0.066	false
2019-01-19T11:15Z	0.066	false
2019-01-19T11:00Z	0.067	false
2019-01-19T10:45Z	0.066	false
2019-01-19T10:30Z	0.067	false
2019-01-19T10:15Z	0.066	false
2019-01-19T10:00Z	0.067	false
2019-01-19T09:45Z	0.067	false
2019-01-19T09:30Z	0.067	false
2019-01-19T09:15Z	0.067	false
2019-01-19T09:00Z	0.067	false
2019-01-19T08:45Z	0.068	false
2019-01-19T08:30Z	0.068	false
2019-01-19T08:15Z	0.068	false
2019-01-19T08:00Z	0.068	false
2019-01-19T07:45Z	0.068	false
2019-01-19T07:30Z	0.069	false
2019-01-19T07:15Z	0.069	false
2019-01-19T07:00Z	0.069	false
2019-01-19T06:45Z	0.069	false
2019-01-19T06:30Z	0.07	false
2019-01-19T06:15Z	0.07	false
2019-01-19T06:00Z	0.07	false
2019-01-19T05:45Z	0.071	false
2019-01-19T05:30Z	0.071	false
2019-01-19T05:15Z	0.071	false
2019-01-19T05:00Z	0.071	false
2019-01-19T04:45Z	0.072	false
2019-01-19T04:30Z	0.073	false
2019-01-19T04:15Z	0.073	false
2019-01-19T04:00Z	0.074	false
2019-01-19T03:45Z	0.075	false
2019-01-19T03:30Z	0.075	false
2019-01-19T03:15Z	0.076	false
2019-01-19T03:00Z	0.077	false
2019-01-19T02:45Z	0.077	false
2019-01-19T02:30Z	0.076	false
2019-01-19T02:15Z	0.077	false
2019-01-19T02:00Z	0.078	false
2019-01-19T01:45Z	0.078	false
2019-01-19T01:30Z	0.079	false
2019-01-19T01:15Z	0.079	false
2019-01-19T01:00Z	0.08	false
2019-01-19T00:45Z	0.08	false
2019-01-19T00:30Z	0.081	false
2019-01-19T00:15Z	0.082	false
2019-01-19T00:00Z	0.084	false
2019-01-18T23:45Z	0.085	false
2019-01-18T23:30Z	0.086	false
2019-01-18T23:15Z	0.087	false
2019-01-18T23:00Z	0.088	false
2019-01-18T22:45Z	0.089	false
2019-01-18T22:30Z	0.089	false
2019-01-18T22:15Z	0.088	false
2019-01-18T22:00Z	0.086	false
2019-01-18T21:45Z	0.085	false
2019-01-18T21:30Z	0.084	false
2019-01-18T21:15Z	0.083	false
2019-01-18T21:00Z	0.081	false
2019-01-18T20:45Z	0.081	false
2019-01-18T20:30Z	0.08	false
2019-01-18T20:15Z	0.082	false
2019-01-18T20:00Z	0.079	false
2019-01-18T19:45Z	0.082	false
2019-01-18T19:30Z	0.083	false
2019-01-18T19:15Z	0.083	false
2019-01-18T19:00Z	0.086	false
2019-01-18T18:45Z	0.09	false
2019-01-18T18:30Z	0.09	false
2019-01-18T18:15Z	0.097	false
2019-01-18T18:00Z	0.092	false
2019-01-18T17:45Z	0.093	false
2019-01-18T17:30Z	0.089	false
2019-01-18T17:15Z	0.06	false
2019-01-18T17:00Z	0.059	false
2019-01-18T16:45Z	0.059	false
2019-01-18T16:30Z	0.058	false
2019-01-18T16:15Z	0.058	false
2019-01-18T16:00Z	0.058	false
2019-01-18T15:45Z	0.058	false
2019-01-18T15:30Z	0.059	false
2019-01-18T15:15Z	0.059	false
2019-01-18T15:00Z	0.058	false
2019-01-18T14:45Z	0.059	false
2019-01-18T14:30Z	0.059	false
2019-01-18T14:15Z	0.059	false
2019-01-18T14:00Z	0.059	false
2019-01-18T13:45Z	0.059	false
2019-01-18T13:30Z	0.059	false
2019-01-18T13:15Z	0.059	false
2019-01-18T13:00Z	0.059	false
2019-01-18T12:45Z	0.06	false
2019-01-18T12:30Z	0.059	false
2019-01-18T12:15Z	0.06	false
2019-01-18T12:00Z	0.059	false
2019-01-18T11:45Z	0.06	false
2019-01-18T11:30Z	0.06	false
2019-01-18T11:15Z	0.06	false
2019-01-18T11:00Z	0.06	false
2019-01-18T10:45Z	0.06	false
2019-01-18T10:30Z	0.06	false
2019-01-18T10:15Z	0.061	false
2019-01-18T10:00Z	0.06	false
2019-01-18T09:45Z	0.06	false
2019-01-18T09:30Z	0.06	false
2019-01-18T09:15Z	0.06	false
2019-01-18T09:00Z	0.06	false
2019-01-18T08:45Z	0.06	false
2019-01-18T08:30Z	0.061	false
2019-01-18T08:15Z	0.061	false
2019-01-18T08:00Z	0.06	false
2019-01-18T07:45Z	0.06	false
2019-01-18T07:30Z	0.06	false
2019-01-18T07:15Z	0.06	false
2019-01-18T07:00Z	0.06	false
2019-01-18T06:45Z	0.06	false
2019-01-18T06:30Z	0.06	false
2019-01-18T06:15Z	0.06	false
2019-01-18T06:00Z	0.059	false
2019-01-18T05:45Z	0.06	false
2019-01-18T05:30Z	0.059	false
2019-01-18T05:15Z	0.06	false
2019-01-18T05:00Z	0.06	false
2019-01-18T04:45Z	0.06	false
2019-01-18T04:30Z	0.059	false
2019-01-18T04:15Z	0.06	false
2019-01-18T04:00Z	0.059	false
2019-01-18T03:45Z	0.059	false
2019-01-18T03:30Z	0.059	false
2019-01-18T03:15Z	0.059	false
2019-01-18T03:00Z	0.06	false
2019-01-18T02:45Z	0.059	false
2019-01-18T02:30Z	0.059	false
2019-01-18T02:15Z	0.059	false
2019-01-18T02:00Z	0.059	false
2019-01-18T01:45Z	0.059	false
2019-01-18T01:30Z	0.059	false
2019-01-18T01:15Z	0.059	false
2019-01-18T01:00Z	0.059	false
2019-01-18T00:45Z	0.059	false
2019-01-18T00:30Z	0.06	false
2019-01-18T00:15Z	0.059	false
2019-01-18T00:00Z	0.059	false
2019-01-17T23:45Z	0.059	false
2019-01-17T23:30Z	0.059	false
2019-01-17T23:15Z	0.059	false
2019-01-17T23:00Z	0.06	false
2019-01-17T22:45Z	0.06	false
2019-01-17T22:30Z	0.06	false
2019-01-17T22:15Z	0.06	false
2019-01-17T22:00Z	0.06	false
2019-01-17T21:45Z	0.059	false
2019-01-17T21:30Z	0.059	false
2019-01-17T21:15Z	0.059	false
2019-01-17T21:00Z	0.06	false
2019-01-17T20:45Z	0.06	false
2019-01-17T20:30Z	0.059	false
2019-01-17T20:15Z	0.06	false
2019-01-17T20:00Z	0.06	false
2019-01-17T19:45Z	0.06	false
2019-01-17T19:30Z	0.06	false
2019-01-17T19:15Z	0.06	false
2019-01-17T19:00Z	0.06	false
2019-01-17T18:45Z	0.06	false
2019-01-17T18:30Z	0.059	false
2019-01-17T18:15Z	0.06	false
2019-01-17T18:00Z	0.06	false
2019-01-17T17:45Z	0.06	false
2019-01-17T17:30Z	0.06	false
2019-01-17T17:15Z	0.06	false
2019-01-17T17:00Z	0.06	false
2019-01-17T16:45Z	0.06	false
2019-01-17T16:30Z	0.06	false
2019-01-17T16:15Z	0.059	false
2019-01-17T16:00Z	0.06	false
2019-01-17T15:45Z	0.06	false
2019-01-17T15:30Z	0.061	false
2019-01-17T15:15Z	0.06	false
2019-01-17T15:00Z	0.059	false
2019-01-17T14:45Z	0.059	false
2019-01-17T14:30Z	0.06	false
2019-01-17T14:15Z	0.059	false
2019-01-17T14:00Z	0.06	false
2019-01-17T13:45Z	0.06	false
2019-01-17T13:30Z	0.06	false
2019-01-17T13:15Z	0.06	false
2019-01-17T13:00Z	0.06	false
2019-01-17T12:45Z	0.06	false
2019-01-17T12:30Z	0.06	false
2019-01-17T12:15Z	0.061	false
2019-01-17T12:00Z	0.061	false
2019-01-17T11:45Z	0.06	false
2019-01-17T11:30Z	0.061	false
2019-01-17T11:15Z	0.06	false
2019-01-17T11:00Z	0.061	false
2019-01-17T10:45Z	0.061	false
2019-01-17T10:30Z	0.061	false
2019-01-17T10:15Z	0.061	false
2019-01-17T10:00Z	0.061	false
2019-01-17T09:45Z	0.061	false
2019-01-17T09:30Z	0.061	false
2019-01-17T09:15Z	0.061	false
2019-01-17T09:00Z	0.061	false
2019-01-17T08:45Z	0.061	false
2019-01-17T08:30Z	0.06	false
2019-01-17T08:15Z	0.06	false
2019-01-17T08:00Z	0.06	false
2019-01-17T07:45Z	0.061	false
2019-01-17T07:30Z	0.06	false
2019-01-17T07:15Z	0.06	false
2019-01-17T07:00Z	0.06	false
2019-01-17T06:45Z	0.06	false
2019-01-17T06:30Z	0.06	false
2019-01-17T06:15Z	0.06	false
2019-01-17T06:00Z	0.06	false
2019-01-17T05:45Z	0.06	false
2019-01-17T05:30Z	0.061	false

Forecast data

Key information

• Station name: High Green
• Station ID: 8318
• River name: Charlton Brook
• Typical range: 0.04m to 0.35m
• Highest level on record: 1.56m on 25 June 2007
• Site datum: 88.42mAOD (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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