River level River Derwent at Derby City

A flood alert is in place nearby.

Flooding is possible. Be prepared. View details.

Latest recorded level 1.96m at 7:45pm Wednesday 20 January 2021.

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
2021-01-20T19:45Z	1.963	false
2021-01-20T19:30Z	1.959	false
2021-01-20T19:15Z	1.953	false
2021-01-20T19:00Z	1.947	false
2021-01-20T18:45Z	1.94	false
2021-01-20T18:30Z	1.932	false
2021-01-20T18:15Z	1.925	false
2021-01-20T18:00Z	1.914	false
2021-01-20T17:45Z	1.907	false
2021-01-20T17:30Z	1.9	false
2021-01-20T17:15Z	1.896	false
2021-01-20T17:00Z	1.887	false
2021-01-20T16:45Z	1.881	false
2021-01-20T16:30Z	1.874	false
2021-01-20T16:15Z	1.868	false
2021-01-20T16:00Z	1.865	false
2021-01-20T15:45Z	1.863	false
2021-01-20T15:30Z	1.863	false
2021-01-20T15:15Z	1.861	false
2021-01-20T15:00Z	1.858	false
2021-01-20T14:45Z	1.856	false
2021-01-20T14:30Z	1.852	false
2021-01-20T14:15Z	1.848	false
2021-01-20T14:00Z	1.842	false
2021-01-20T13:45Z	1.837	false
2021-01-20T13:30Z	1.832	false
2021-01-20T13:15Z	1.825	false
2021-01-20T13:00Z	1.819	false
2021-01-20T12:45Z	1.81	false
2021-01-20T12:30Z	1.802	false
2021-01-20T12:15Z	1.793	false
2021-01-20T12:00Z	1.782	false
2021-01-20T11:45Z	1.77	false
2021-01-20T11:30Z	1.758	false
2021-01-20T11:15Z	1.745	false
2021-01-20T11:00Z	1.735	false
2021-01-20T10:45Z	1.722	false
2021-01-20T10:30Z	1.71	false
2021-01-20T10:15Z	1.696	false
2021-01-20T10:00Z	1.685	false
2021-01-20T09:45Z	1.674	false
2021-01-20T09:30Z	1.664	false
2021-01-20T09:15Z	1.654	false
2021-01-20T09:00Z	1.644	false
2021-01-20T08:45Z	1.634	false
2021-01-20T08:30Z	1.626	false
2021-01-20T08:15Z	1.618	false
2021-01-20T08:00Z	1.611	false
2021-01-20T07:45Z	1.605	false
2021-01-20T07:30Z	1.599	false
2021-01-20T07:15Z	1.594	false
2021-01-20T07:00Z	1.587	false
2021-01-20T06:45Z	1.583	false
2021-01-20T06:30Z	1.58	false
2021-01-20T06:15Z	1.577	false
2021-01-20T06:00Z	1.573	false
2021-01-20T05:45Z	1.572	false
2021-01-20T05:30Z	1.571	false
2021-01-20T05:15Z	1.57	false
2021-01-20T05:00Z	1.57	false
2021-01-20T04:45Z	1.569	false
2021-01-20T04:30Z	1.568	false
2021-01-20T04:15Z	1.568	false
2021-01-20T04:00Z	1.569	false
2021-01-20T03:45Z	1.57	false
2021-01-20T03:30Z	1.571	false
2021-01-20T03:15Z	1.571	false
2021-01-20T03:00Z	1.572	false
2021-01-20T02:45Z	1.572	false
2021-01-20T02:30Z	1.573	false
2021-01-20T02:15Z	1.572	false
2021-01-20T02:00Z	1.571	false
2021-01-20T01:45Z	1.571	false
2021-01-20T01:30Z	1.568	false
2021-01-20T01:15Z	1.567	false
2021-01-20T01:00Z	1.567	false
2021-01-20T00:45Z	1.565	false
2021-01-20T00:30Z	1.564	false
2021-01-20T00:15Z	1.563	false
2021-01-20T00:00Z	1.562	false
2021-01-19T23:45Z	1.561	false
2021-01-19T23:30Z	1.56	false
2021-01-19T23:15Z	1.56	false
2021-01-19T23:00Z	1.559	false
2021-01-19T22:45Z	1.558	false
2021-01-19T22:30Z	1.559	false
2021-01-19T22:15Z	1.558	false
2021-01-19T22:00Z	1.558	false
2021-01-19T21:45Z	1.558	false
2021-01-19T21:30Z	1.558	false
2021-01-19T21:15Z	1.558	false
2021-01-19T21:00Z	1.559	false
2021-01-19T20:45Z	1.559	false
2021-01-19T20:30Z	1.558	false
2021-01-19T20:15Z	1.558	false
2021-01-19T20:00Z	1.556	false
2021-01-19T19:45Z	1.555	false
2021-01-19T19:30Z	1.553	false
2021-01-19T19:15Z	1.549	false
2021-01-19T19:00Z	1.547	false
2021-01-19T18:45Z	1.545	false
2021-01-19T18:30Z	1.542	false
2021-01-19T18:15Z	1.54	false
2021-01-19T18:00Z	1.538	false
2021-01-19T17:45Z	1.536	false
2021-01-19T17:30Z	1.534	false
2021-01-19T17:15Z	1.534	false
2021-01-19T17:00Z	1.533	false
2021-01-19T16:45Z	1.534	false
2021-01-19T16:30Z	1.535	false
2021-01-19T16:15Z	1.537	false
2021-01-19T16:00Z	1.537	false
2021-01-19T15:45Z	1.537	false
2021-01-19T15:30Z	1.536	false
2021-01-19T15:15Z	1.535	false
2021-01-19T15:00Z	1.531	false
2021-01-19T14:45Z	1.523	false
2021-01-19T14:30Z	1.516	false
2021-01-19T14:15Z	1.511	false
2021-01-19T14:00Z	1.508	false
2021-01-19T13:45Z	1.505	false
2021-01-19T13:30Z	1.502	false
2021-01-19T13:15Z	1.498	false
2021-01-19T13:00Z	1.494	false
2021-01-19T12:45Z	1.491	false
2021-01-19T12:30Z	1.488	false
2021-01-19T12:15Z	1.484	false
2021-01-19T12:00Z	1.48	false
2021-01-19T11:45Z	1.477	false
2021-01-19T11:30Z	1.475	false
2021-01-19T11:15Z	1.472	false
2021-01-19T11:00Z	1.471	false
2021-01-19T10:45Z	1.472	false
2021-01-19T10:30Z	1.472	false
2021-01-19T10:15Z	1.471	false
2021-01-19T10:00Z	1.468	false
2021-01-19T09:45Z	1.464	false
2021-01-19T09:30Z	1.459	false
2021-01-19T09:15Z	1.452	false
2021-01-19T09:00Z	1.447	false
2021-01-19T08:45Z	1.44	false
2021-01-19T08:30Z	1.431	false
2021-01-19T08:15Z	1.42	false
2021-01-19T08:00Z	1.412	false
2021-01-19T07:45Z	1.403	false
2021-01-19T07:30Z	1.392	false
2021-01-19T07:15Z	1.381	false
2021-01-19T07:00Z	1.37	false
2021-01-19T06:45Z	1.358	false
2021-01-19T06:30Z	1.346	false
2021-01-19T06:15Z	1.333	false
2021-01-19T06:00Z	1.32	false
2021-01-19T05:45Z	1.305	false
2021-01-19T05:30Z	1.291	false
2021-01-19T05:15Z	1.275	false
2021-01-19T05:00Z	1.258	false
2021-01-19T04:45Z	1.241	false
2021-01-19T04:30Z	1.222	false
2021-01-19T04:15Z	1.204	false
2021-01-19T04:00Z	1.187	false
2021-01-19T03:45Z	1.172	false
2021-01-19T03:30Z	1.158	false
2021-01-19T03:15Z	1.142	false
2021-01-19T03:00Z	1.13	false
2021-01-19T02:45Z	1.119	false
2021-01-19T02:30Z	1.109	false
2021-01-19T02:15Z	1.102	false
2021-01-19T02:00Z	1.096	false
2021-01-19T01:45Z	1.093	false
2021-01-19T01:30Z	1.093	false
2021-01-19T01:15Z	1.094	false
2021-01-19T01:00Z	1.096	false
2021-01-19T00:45Z	1.098	false
2021-01-19T00:30Z	1.102	false
2021-01-19T00:15Z	1.107	false
2021-01-19T00:00Z	1.113	false
2021-01-18T23:45Z	1.119	false
2021-01-18T23:30Z	1.126	false
2021-01-18T23:15Z	1.131	false
2021-01-18T23:00Z	1.127	false
2021-01-18T22:45Z	1.127	false
2021-01-18T22:30Z	1.127	false
2021-01-18T22:15Z	1.127	false
2021-01-18T22:00Z	1.126	false
2021-01-18T21:45Z	1.126	false
2021-01-18T21:30Z	1.126	false
2021-01-18T21:15Z	1.125	false
2021-01-18T21:00Z	1.125	false
2021-01-18T20:45Z	1.125	false
2021-01-18T20:30Z	1.124	false
2021-01-18T20:15Z	1.125	false
2021-01-18T20:00Z	1.125	false
2021-01-18T19:45Z	1.127	false
2021-01-18T19:30Z	1.128	false
2021-01-18T19:15Z	1.129	false
2021-01-18T19:00Z	1.131	false
2021-01-18T18:45Z	1.131	false
2021-01-18T18:30Z	1.131	false
2021-01-18T18:15Z	1.13	false
2021-01-18T18:00Z	1.129	false
2021-01-18T17:45Z	1.126	false
2021-01-18T17:30Z	1.122	false
2021-01-18T17:15Z	1.117	false
2021-01-18T17:00Z	1.112	false
2021-01-18T16:45Z	1.107	false
2021-01-18T16:30Z	1.104	false
2021-01-18T16:15Z	1.105	false
2021-01-18T16:00Z	1.107	false
2021-01-18T15:45Z	1.111	false
2021-01-18T15:30Z	1.115	false
2021-01-18T15:15Z	1.117	false
2021-01-18T15:00Z	1.118	false
2021-01-18T14:45Z	1.119	false
2021-01-18T14:30Z	1.12	false
2021-01-18T14:15Z	1.121	false
2021-01-18T14:00Z	1.122	false
2021-01-18T13:45Z	1.123	false
2021-01-18T13:30Z	1.124	false
2021-01-18T13:15Z	1.125	false
2021-01-18T13:00Z	1.126	false
2021-01-18T12:45Z	1.127	false
2021-01-18T12:30Z	1.129	false
2021-01-18T12:15Z	1.13	false
2021-01-18T12:00Z	1.132	false
2021-01-18T11:45Z	1.134	false
2021-01-18T11:30Z	1.137	false
2021-01-18T11:15Z	1.139	false
2021-01-18T11:00Z	1.141	false
2021-01-18T10:45Z	1.143	false
2021-01-18T10:30Z	1.144	false
2021-01-18T10:15Z	1.146	false
2021-01-18T10:00Z	1.149	false
2021-01-18T09:45Z	1.151	false
2021-01-18T09:30Z	1.155	false
2021-01-18T09:15Z	1.158	false
2021-01-18T09:00Z	1.161	false
2021-01-18T08:45Z	1.166	false
2021-01-18T08:30Z	1.173	false
2021-01-18T08:15Z	1.183	false
2021-01-18T08:00Z	1.187	false
2021-01-18T07:45Z	1.19	false
2021-01-18T07:30Z	1.193	false
2021-01-18T07:15Z	1.196	false
2021-01-18T07:00Z	1.199	false
2021-01-18T06:45Z	1.201	false
2021-01-18T06:30Z	1.203	false
2021-01-18T06:15Z	1.205	false
2021-01-18T06:00Z	1.207	false
2021-01-18T05:45Z	1.209	false
2021-01-18T05:30Z	1.209	false
2021-01-18T05:15Z	1.21	false
2021-01-18T05:00Z	1.21	false
2021-01-18T04:45Z	1.21	false
2021-01-18T04:30Z	1.21	false
2021-01-18T04:15Z	1.209	false
2021-01-18T04:00Z	1.207	false
2021-01-18T03:45Z	1.206	false
2021-01-18T03:30Z	1.205	false
2021-01-18T03:15Z	1.204	false
2021-01-18T03:00Z	1.203	false
2021-01-18T02:45Z	1.203	false
2021-01-18T02:30Z	1.204	false
2021-01-18T02:15Z	1.204	false
2021-01-18T02:00Z	1.206	false
2021-01-18T01:45Z	1.208	false
2021-01-18T01:30Z	1.211	false
2021-01-18T01:15Z	1.213	false
2021-01-18T01:00Z	1.215	false
2021-01-18T00:45Z	1.218	false
2021-01-18T00:30Z	1.221	false
2021-01-18T00:15Z	1.224	false
2021-01-18T00:00Z	1.226	false
2021-01-17T23:45Z	1.229	false
2021-01-17T23:30Z	1.232	false
2021-01-17T23:15Z	1.235	false
2021-01-17T23:00Z	1.238	false
2021-01-17T22:45Z	1.24	false
2021-01-17T22:30Z	1.243	false
2021-01-17T22:15Z	1.246	false
2021-01-17T22:00Z	1.249	false
2021-01-17T21:45Z	1.253	false
2021-01-17T21:30Z	1.255	false
2021-01-17T21:15Z	1.258	false
2021-01-17T21:00Z	1.26	false
2021-01-17T20:45Z	1.263	false
2021-01-17T20:30Z	1.267	false
2021-01-17T20:15Z	1.27	false
2021-01-17T20:00Z	1.275	false
2021-01-17T19:45Z	1.278	false
2021-01-17T19:30Z	1.282	false
2021-01-17T19:15Z	1.286	false
2021-01-17T19:00Z	1.289	false
2021-01-17T18:45Z	1.294	false
2021-01-17T18:30Z	1.298	false
2021-01-17T18:15Z	1.302	false
2021-01-17T18:00Z	1.305	false
2021-01-17T17:45Z	1.309	false
2021-01-17T17:30Z	1.313	false
2021-01-17T17:15Z	1.316	false
2021-01-17T17:00Z	1.32	false
2021-01-17T16:45Z	1.324	false
2021-01-17T16:30Z	1.327	false
2021-01-17T16:15Z	1.33	false
2021-01-17T16:00Z	1.334	false
2021-01-17T15:45Z	1.337	false
2021-01-17T15:30Z	1.341	false
2021-01-17T15:15Z	1.344	false
2021-01-17T15:00Z	1.348	false
2021-01-17T14:45Z	1.351	false
2021-01-17T14:30Z	1.355	false
2021-01-17T14:15Z	1.359	false
2021-01-17T14:00Z	1.363	false
2021-01-17T13:45Z	1.366	false
2021-01-17T13:30Z	1.37	false
2021-01-17T13:15Z	1.374	false
2021-01-17T13:00Z	1.379	false
2021-01-17T12:45Z	1.384	false
2021-01-17T12:30Z	1.387	false
2021-01-17T12:15Z	1.392	false
2021-01-17T12:00Z	1.396	false
2021-01-17T11:45Z	1.4	false
2021-01-17T11:30Z	1.404	false
2021-01-17T11:15Z	1.408	false
2021-01-17T11:00Z	1.411	false
2021-01-17T10:45Z	1.415	false
2021-01-17T10:30Z	1.419	false
2021-01-17T10:15Z	1.422	false
2021-01-17T10:00Z	1.426	false
2021-01-17T09:45Z	1.43	false
2021-01-17T09:30Z	1.433	false
2021-01-17T09:15Z	1.436	false
2021-01-17T09:00Z	1.439	false
2021-01-17T08:45Z	1.443	false
2021-01-17T08:30Z	1.446	false
2021-01-17T08:15Z	1.448	false
2021-01-17T08:00Z	1.452	false
2021-01-17T07:45Z	1.455	false
2021-01-17T07:30Z	1.458	false
2021-01-17T07:15Z	1.461	false
2021-01-17T07:00Z	1.465	false
2021-01-17T06:45Z	1.468	false
2021-01-17T06:30Z	1.47	false
2021-01-17T06:15Z	1.472	false
2021-01-17T06:00Z	1.473	false
2021-01-17T05:45Z	1.475	false
2021-01-17T05:30Z	1.475	false
2021-01-17T05:15Z	1.475	false
2021-01-17T05:00Z	1.475	false
2021-01-17T04:45Z	1.474	false
2021-01-17T04:30Z	1.473	false
2021-01-17T04:15Z	1.472	false
2021-01-17T04:00Z	1.471	false
2021-01-17T03:45Z	1.469	false
2021-01-17T03:30Z	1.467	false
2021-01-17T03:15Z	1.465	false
2021-01-17T03:00Z	1.462	false
2021-01-17T02:45Z	1.459	false
2021-01-17T02:30Z	1.455	false
2021-01-17T02:15Z	1.452	false
2021-01-17T02:00Z	1.448	false
2021-01-17T01:45Z	1.445	false
2021-01-17T01:30Z	1.44	false
2021-01-17T01:15Z	1.437	false
2021-01-17T01:00Z	1.432	false
2021-01-17T00:45Z	1.427	false
2021-01-17T00:30Z	1.423	false
2021-01-17T00:15Z	1.417	false
2021-01-17T00:00Z	1.414	false
2021-01-16T23:45Z	1.409	false
2021-01-16T23:30Z	1.405	false
2021-01-16T23:15Z	1.401	false
2021-01-16T23:00Z	1.397	false
2021-01-16T22:45Z	1.393	false
2021-01-16T22:30Z	1.39	false
2021-01-16T22:15Z	1.387	false
2021-01-16T22:00Z	1.383	false
2021-01-16T21:45Z	1.38	false
2021-01-16T21:30Z	1.378	false
2021-01-16T21:15Z	1.377	false
2021-01-16T21:00Z	1.377	false
2021-01-16T20:45Z	1.377	false
2021-01-16T20:30Z	1.378	false
2021-01-16T20:15Z	1.378	false
2021-01-16T20:00Z	1.378	false
2021-01-16T19:45Z	1.38	false
2021-01-16T19:30Z	1.381	false
2021-01-16T19:15Z	1.384	false
2021-01-16T19:00Z	1.385	false
2021-01-16T18:45Z	1.388	false
2021-01-16T18:30Z	1.39	false
2021-01-16T18:15Z	1.392	false
2021-01-16T18:00Z	1.395	false
2021-01-16T17:45Z	1.397	false
2021-01-16T17:30Z	1.399	false
2021-01-16T17:15Z	1.401	false
2021-01-16T17:00Z	1.4	false
2021-01-16T16:45Z	1.4	false
2021-01-16T16:30Z	1.404	false
2021-01-16T16:15Z	1.407	false
2021-01-16T16:00Z	1.41	false
2021-01-16T15:45Z	1.414	false
2021-01-16T15:30Z	1.416	false
2021-01-16T15:15Z	1.419	false
2021-01-16T15:00Z	1.423	false
2021-01-16T14:45Z	1.426	false
2021-01-16T14:30Z	1.42	false
2021-01-16T14:15Z	1.414	false
2021-01-16T14:00Z	1.41	false
2021-01-16T13:45Z	1.406	false
2021-01-16T13:30Z	1.401	false
2021-01-16T13:15Z	1.394	false
2021-01-16T13:00Z	1.385	false
2021-01-16T12:45Z	1.374	false
2021-01-16T12:30Z	1.364	false
2021-01-16T12:15Z	1.352	false
2021-01-16T12:00Z	1.339	false
2021-01-16T11:45Z	1.325	false
2021-01-16T11:30Z	1.31	false
2021-01-16T11:15Z	1.295	false
2021-01-16T11:00Z	1.278	false
2021-01-16T10:45Z	1.262	false
2021-01-16T10:30Z	1.244	false
2021-01-16T10:15Z	1.227	false
2021-01-16T10:00Z	1.209	false
2021-01-16T09:45Z	1.193	false
2021-01-16T09:30Z	1.177	false
2021-01-16T09:15Z	1.164	false
2021-01-16T09:00Z	1.153	false
2021-01-16T08:45Z	1.142	false
2021-01-16T08:30Z	1.134	false
2021-01-16T08:15Z	1.129	false
2021-01-16T08:00Z	1.124	false
2021-01-16T07:45Z	1.121	false
2021-01-16T07:30Z	1.119	false
2021-01-16T07:15Z	1.116	false
2021-01-16T07:00Z	1.114	false
2021-01-16T06:45Z	1.111	false
2021-01-16T06:30Z	1.107	false
2021-01-16T06:15Z	1.106	false
2021-01-16T06:00Z	1.105	false
2021-01-16T05:45Z	1.104	false
2021-01-16T05:30Z	1.104	false
2021-01-16T05:15Z	1.104	false
2021-01-16T05:00Z	1.105	false
2021-01-16T04:45Z	1.106	false
2021-01-16T04:30Z	1.107	false
2021-01-16T04:15Z	1.11	false
2021-01-16T04:00Z	1.111	false
2021-01-16T03:45Z	1.113	false
2021-01-16T03:30Z	1.115	false
2021-01-16T03:15Z	1.117	false
2021-01-16T03:00Z	1.12	false
2021-01-16T02:45Z	1.122	false
2021-01-16T02:30Z	1.124	false
2021-01-16T02:15Z	1.126	false
2021-01-16T02:00Z	1.128	false
2021-01-16T01:45Z	1.131	false
2021-01-16T01:30Z	1.134	false
2021-01-16T01:15Z	1.136	false
2021-01-16T01:00Z	1.138	false
2021-01-16T00:45Z	1.14	false
2021-01-16T00:30Z	1.142	false
2021-01-16T00:15Z	1.144	false
2021-01-16T00:00Z	1.145	false
2021-01-15T23:45Z	1.147	false
2021-01-15T23:30Z	1.15	false
2021-01-15T23:15Z	1.152	false
2021-01-15T23:00Z	1.153	false
2021-01-15T22:45Z	1.155	false
2021-01-15T22:30Z	1.156	false
2021-01-15T22:15Z	1.157	false
2021-01-15T22:00Z	1.159	false
2021-01-15T21:45Z	1.161	false
2021-01-15T21:30Z	1.164	false
2021-01-15T21:15Z	1.167	false
2021-01-15T21:00Z	1.171	false
2021-01-15T20:45Z	1.176	false
2021-01-15T20:30Z	1.181	false
2021-01-15T20:15Z	1.186	false

Forecast data

January 20th 2021, 8:00:00 pm	1.959
January 20th 2021, 9:00:00 pm	1.982
January 20th 2021, 10:00:00 pm	1.997
January 20th 2021, 11:00:00 pm	2.013
January 21st 2021, 12:00:00 am	2.031
January 21st 2021, 1:00:00 am	2.049
January 21st 2021, 2:00:00 am	2.071
January 21st 2021, 3:00:00 am	2.095
January 21st 2021, 4:00:00 am	2.120
January 21st 2021, 5:00:00 am	2.145
January 21st 2021, 6:00:00 am	2.165
January 21st 2021, 7:00:00 am	2.180
January 21st 2021, 8:00:00 am	2.192
January 21st 2021, 9:00:00 am	2.223
January 21st 2021, 10:00:00 am	2.253
January 21st 2021, 11:00:00 am	2.282
January 21st 2021, 12:00:00 pm	2.310
January 21st 2021, 1:00:00 pm	2.338
January 21st 2021, 2:00:00 pm	2.365
January 21st 2021, 3:00:00 pm	2.391
January 21st 2021, 4:00:00 pm	2.415
January 21st 2021, 5:00:00 pm	2.436
January 21st 2021, 6:00:00 pm	2.454
January 21st 2021, 7:00:00 pm	2.468
January 21st 2021, 8:00:00 pm	2.478
January 21st 2021, 9:00:00 pm	2.484
January 21st 2021, 10:00:00 pm	2.486
January 21st 2021, 11:00:00 pm	2.468
January 22nd 2021, 12:00:00 am	2.445
January 22nd 2021, 1:00:00 am	2.417
January 22nd 2021, 2:00:00 am	2.384
January 22nd 2021, 3:00:00 am	2.346
January 22nd 2021, 4:00:00 am	2.305
January 22nd 2021, 5:00:00 am	2.261
January 22nd 2021, 6:00:00 am	2.217
January 22nd 2021, 7:00:00 am	2.169

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: Derby City
• Station ID: 2138
• River name: River Derwent
• Typical range: 0.58m to 2.00m
• Highest level on record: 3.35m on 08 November 2019
• Site datum: 44.03mAOD (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

0.58m to 2.00m.

Above 2.00m flooding of low-lying land may occur in these areas

• Lower Derwent in Derbyshire Flood alert

Above 2.19m some property flooding may occur in these areas

• River Derwent at Allestree Ford Lane Bridge and Darley Abbey Park
• River Derwent at Alvaston
• River Derwent at Ambaston
• River Derwent at Ambaston Lane
• River Derwent at Belper
• River Derwent at Chaddesden
• River Derwent at Darley Abbey, Folly Road
• River Derwent at Derby City
• River Derwent at Derby City Water Treatment Works
• River Derwent at Draycott
• River Derwent at Duffield Church and Village Hall
• River Derwent at Elvaston Castle Country Park
• River Derwent at Little Chester, Eastgate and Cattle Market
• River Derwent at Little Eaton
• River Derwent at Milford
• River Derwent at Pride Park and Derby Railway Station
• River Derwent at Racecourse Park at Chaddesden
• River Derwent at Raynesway
• Rivers Ecclesbourne and Derwent at Duffield
• Rivers Trent and Derwent at Shardlow and Great Wilne

Highest forecast level at this location

The highest level forecast in the next 36 hours is 2.49m at 10:00pm Thursday 21 January 2021.

Highest level recorded at this location

3.35m on 08 November 2019

• View nearby measuring stations

• View the flood information service for England
• Check the long term flood risk for an area in England.

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