River level Thirlmere Reservoir at Thirlmere Reservoir (Spillway level = 16.55m)

Check for flood warnings in this area

Latest recorded level 12.09m at 4:00pm Sunday 27 September 2020.

River levels at this location in the last 5 days

Now
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• Measured level
• When the water level reaches 16.68m 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
2020-09-27T15:00Z	12.093	false
2020-09-27T14:45Z	12.096	false
2020-09-27T14:30Z	12.096	false
2020-09-27T14:15Z	12.095	false
2020-09-27T14:00Z	12.096	false
2020-09-27T13:45Z	12.093	false
2020-09-27T13:30Z	12.091	false
2020-09-27T13:15Z	12.093	false
2020-09-27T13:00Z	12.092	false
2020-09-27T12:45Z	12.094	false
2020-09-27T12:30Z	12.08	false
2020-09-27T12:15Z	12.087	false
2020-09-27T12:00Z	12.087	false
2020-09-27T11:45Z	12.101	false
2020-09-27T11:30Z	12.098	false
2020-09-27T11:15Z	12.1	false
2020-09-27T11:00Z	12.095	false
2020-09-27T10:45Z	12.1	false
2020-09-27T10:30Z	12.098	false
2020-09-27T10:15Z	12.095	false
2020-09-27T10:00Z	12.094	false
2020-09-27T09:45Z	12.095	false
2020-09-27T09:30Z	12.096	false
2020-09-27T09:15Z	12.097	false
2020-09-27T09:00Z	12.098	false
2020-09-27T08:45Z	12.101	false
2020-09-27T08:30Z	12.103	false
2020-09-27T08:15Z	12.103	false
2020-09-27T08:00Z	12.106	false
2020-09-27T07:45Z	12.107	false
2020-09-27T07:30Z	12.104	false
2020-09-27T07:15Z	12.098	false
2020-09-27T07:00Z	12.096	false
2020-09-27T06:45Z	12.091	false
2020-09-27T06:30Z	12.097	false
2020-09-27T06:15Z	12.095	false
2020-09-27T06:00Z	12.107	false
2020-09-27T05:45Z	12.108	false
2020-09-27T05:30Z	12.114	false
2020-09-27T05:15Z	12.113	false
2020-09-27T05:00Z	12.114	false
2020-09-27T04:45Z	12.108	false
2020-09-27T04:30Z	12.105	false
2020-09-27T04:15Z	12.108	false
2020-09-27T04:00Z	12.106	false
2020-09-27T03:45Z	12.109	false
2020-09-27T03:30Z	12.106	false
2020-09-27T03:15Z	12.112	false
2020-09-27T03:00Z	12.118	false
2020-09-27T02:45Z	12.12	false
2020-09-27T02:30Z	12.111	false
2020-09-27T02:15Z	12.122	false
2020-09-27T02:00Z	12.127	false
2020-09-27T01:45Z	12.124	false
2020-09-27T01:30Z	12.114	false
2020-09-27T01:15Z	12.121	false
2020-09-27T01:00Z	12.121	false
2020-09-27T00:45Z	12.115	false
2020-09-27T00:30Z	12.122	false
2020-09-27T00:15Z	12.121	false
2020-09-27T00:00Z	12.126	false
2020-09-26T23:45Z	12.125	false
2020-09-26T23:30Z	12.129	false
2020-09-26T23:15Z	12.129	false
2020-09-26T23:00Z	12.129	false
2020-09-26T22:45Z	12.13	false
2020-09-26T22:30Z	12.134	false
2020-09-26T22:15Z	12.129	false
2020-09-26T22:00Z	12.123	false
2020-09-26T21:45Z	12.127	false
2020-09-26T21:30Z	12.125	false
2020-09-26T21:15Z	12.13	false
2020-09-26T21:00Z	12.122	false
2020-09-26T20:45Z	12.132	false
2020-09-26T20:30Z	12.131	false
2020-09-26T20:15Z	12.14	false
2020-09-26T20:00Z	12.139	false
2020-09-26T19:45Z	12.133	false
2020-09-26T19:30Z	12.137	false
2020-09-26T19:15Z	12.14	false
2020-09-26T19:00Z	12.141	false
2020-09-26T18:45Z	12.143	false
2020-09-26T18:30Z	12.144	false
2020-09-26T18:15Z	12.143	false
2020-09-26T18:00Z	12.142	false
2020-09-26T17:45Z	12.15	false
2020-09-26T17:30Z	12.145	false
2020-09-26T17:15Z	12.143	false
2020-09-26T17:00Z	12.148	false
2020-09-26T16:45Z	12.151	false
2020-09-26T16:30Z	12.148	false
2020-09-26T16:15Z	12.145	false
2020-09-26T16:00Z	12.143	false
2020-09-26T15:45Z	12.149	false
2020-09-26T15:30Z	12.152	false
2020-09-26T15:15Z	12.156	false
2020-09-26T15:00Z	12.151	false
2020-09-26T14:45Z	12.156	false
2020-09-26T14:30Z	12.159	false
2020-09-26T14:15Z	12.145	false
2020-09-26T14:00Z	12.153	false
2020-09-26T13:45Z	12.146	false
2020-09-26T13:30Z	12.153	false
2020-09-26T13:15Z	12.162	false
2020-09-26T13:00Z	12.145	false
2020-09-26T12:45Z	12.144	false
2020-09-26T12:30Z	12.149	false
2020-09-26T12:15Z	12.159	false
2020-09-26T12:00Z	12.159	false
2020-09-26T11:45Z	12.158	false
2020-09-26T11:30Z	12.153	false
2020-09-26T11:15Z	12.15	false
2020-09-26T11:00Z	12.148	false
2020-09-26T10:45Z	12.154	false
2020-09-26T10:30Z	12.153	false
2020-09-26T10:15Z	12.155	false
2020-09-26T10:00Z	12.145	false
2020-09-26T09:45Z	12.155	false
2020-09-26T09:30Z	12.156	false
2020-09-26T09:15Z	12.152	false
2020-09-26T09:00Z	12.156	false
2020-09-26T08:45Z	12.162	false
2020-09-26T08:30Z	12.168	false
2020-09-26T08:15Z	12.161	false
2020-09-26T08:00Z	12.16	false
2020-09-26T07:45Z	12.176	false
2020-09-26T07:30Z	12.178	false
2020-09-26T07:15Z	12.174	false
2020-09-26T07:00Z	12.172	false
2020-09-26T06:45Z	12.173	false
2020-09-26T06:30Z	12.173	false
2020-09-26T06:15Z	12.171	false
2020-09-26T06:00Z	12.166	false
2020-09-26T05:45Z	12.164	false
2020-09-26T05:30Z	12.162	false
2020-09-26T05:15Z	12.162	false
2020-09-26T05:00Z	12.166	false
2020-09-26T04:45Z	12.168	false
2020-09-26T04:30Z	12.173	false
2020-09-26T04:15Z	12.175	false
2020-09-26T04:00Z	12.179	false
2020-09-26T03:45Z	12.174	false
2020-09-26T03:30Z	12.183	false
2020-09-26T03:15Z	12.185	false
2020-09-26T03:00Z	12.184	false
2020-09-26T02:45Z	12.189	false
2020-09-26T02:30Z	12.184	false
2020-09-26T02:15Z	12.184	false
2020-09-26T02:00Z	12.19	false
2020-09-26T01:45Z	12.188	false
2020-09-26T01:30Z	12.192	false
2020-09-26T01:15Z	12.183	false
2020-09-26T01:00Z	12.186	false
2020-09-26T00:45Z	12.193	false
2020-09-26T00:30Z	12.192	false
2020-09-26T00:15Z	12.188	false
2020-09-26T00:00Z	12.184	false
2020-09-25T23:45Z	12.186	false
2020-09-25T23:30Z	12.187	false
2020-09-25T23:15Z	12.181	false
2020-09-25T23:00Z	12.184	false
2020-09-25T22:45Z	12.182	false
2020-09-25T22:30Z	12.201	false
2020-09-25T22:15Z	12.196	false
2020-09-25T22:00Z	12.191	false
2020-09-25T21:45Z	12.194	false
2020-09-25T21:30Z	12.197	false
2020-09-25T21:15Z	12.183	false
2020-09-25T21:00Z	12.192	false
2020-09-25T20:45Z	12.198	false
2020-09-25T20:30Z	12.202	false
2020-09-25T20:15Z	12.209	false
2020-09-25T20:00Z	12.196	false
2020-09-25T19:45Z	12.211	false
2020-09-25T19:30Z	12.19	false
2020-09-25T19:15Z	12.209	false
2020-09-25T19:00Z	12.195	false
2020-09-25T18:45Z	12.204	false
2020-09-25T18:30Z	12.201	false
2020-09-25T18:15Z	12.204	false
2020-09-25T18:00Z	12.204	false
2020-09-25T17:45Z	12.202	false
2020-09-25T17:30Z	12.202	false
2020-09-25T17:15Z	12.202	false
2020-09-25T17:00Z	12.196	false
2020-09-25T16:45Z	12.203	false
2020-09-25T16:30Z	12.203	false
2020-09-25T16:15Z	12.203	false
2020-09-25T16:00Z	12.193	false
2020-09-25T15:45Z	12.202	false
2020-09-25T15:30Z	12.196	false
2020-09-25T15:15Z	12.199	false
2020-09-25T15:00Z	12.199	false
2020-09-25T14:45Z	12.207	false
2020-09-25T14:30Z	12.203	false
2020-09-25T14:15Z	12.211	false
2020-09-25T14:00Z	12.216	false
2020-09-25T13:45Z	12.21	false
2020-09-25T13:30Z	12.209	false
2020-09-25T13:15Z	12.209	false
2020-09-25T13:00Z	12.212	false
2020-09-25T12:45Z	12.207	false
2020-09-25T12:30Z	12.199	false
2020-09-25T12:15Z	12.205	false
2020-09-25T12:00Z	12.214	false
2020-09-25T11:45Z	12.217	false
2020-09-25T11:30Z	12.216	false
2020-09-25T11:15Z	12.211	false
2020-09-25T11:00Z	12.215	false
2020-09-25T10:45Z	12.214	false
2020-09-25T10:30Z	12.221	false
2020-09-25T10:15Z	12.214	false
2020-09-25T10:00Z	12.214	false
2020-09-25T09:45Z	12.212	false
2020-09-25T09:30Z	12.217	false
2020-09-25T09:15Z	12.217	false
2020-09-25T09:00Z	12.215	false
2020-09-25T08:45Z	12.216	false
2020-09-25T08:30Z	12.221	false
2020-09-25T08:15Z	12.226	false
2020-09-25T08:00Z	12.218	false
2020-09-25T07:45Z	12.226	false
2020-09-25T07:30Z	12.228	false
2020-09-25T07:15Z	12.218	false
2020-09-25T07:00Z	12.228	false
2020-09-25T06:45Z	12.231	false
2020-09-25T06:30Z	12.237	false
2020-09-25T06:15Z	12.238	false
2020-09-25T06:00Z	12.242	false
2020-09-25T05:45Z	12.243	false
2020-09-25T05:30Z	12.243	false
2020-09-25T05:15Z	12.24	false
2020-09-25T05:00Z	12.238	false
2020-09-25T04:45Z	12.23	false
2020-09-25T04:30Z	12.238	false
2020-09-25T04:15Z	12.235	false
2020-09-25T04:00Z	12.229	false
2020-09-25T03:45Z	12.226	false
2020-09-25T03:30Z	12.243	false
2020-09-25T03:15Z	12.235	false
2020-09-25T03:00Z	12.245	false
2020-09-25T02:45Z	12.243	false
2020-09-25T02:30Z	12.248	false
2020-09-25T02:15Z	12.248	false
2020-09-25T02:00Z	12.254	false
2020-09-25T01:45Z	12.251	false
2020-09-25T01:30Z	12.248	false
2020-09-25T01:15Z	12.251	false
2020-09-25T01:00Z	12.249	false
2020-09-25T00:45Z	12.252	false
2020-09-25T00:30Z	12.25	false
2020-09-25T00:15Z	12.251	false
2020-09-25T00:00Z	12.252	false
2020-09-24T23:45Z	12.257	false
2020-09-24T23:30Z	12.253	false
2020-09-24T23:15Z	12.252	false
2020-09-24T23:00Z	12.26	false
2020-09-24T22:45Z	12.254	false
2020-09-24T22:30Z	12.254	false
2020-09-24T22:15Z	12.254	false
2020-09-24T22:00Z	12.252	false
2020-09-24T21:45Z	12.259	false
2020-09-24T21:30Z	12.253	false
2020-09-24T21:15Z	12.254	false
2020-09-24T21:00Z	12.245	false
2020-09-24T20:45Z	12.255	false
2020-09-24T20:30Z	12.255	false
2020-09-24T20:15Z	12.256	false
2020-09-24T20:00Z	12.256	false
2020-09-24T19:45Z	12.26	false
2020-09-24T19:30Z	12.26	false
2020-09-24T19:15Z	12.258	false
2020-09-24T19:00Z	12.258	false
2020-09-24T18:45Z	12.259	false
2020-09-24T18:30Z	12.258	false
2020-09-24T18:15Z	12.26	false
2020-09-24T18:00Z	12.256	false
2020-09-24T17:45Z	12.258	false
2020-09-24T17:30Z	12.259	false
2020-09-24T17:15Z	12.262	false
2020-09-24T17:00Z	12.263	false
2020-09-24T16:45Z	12.265	false
2020-09-24T16:30Z	12.264	false
2020-09-24T16:15Z	12.268	false
2020-09-24T16:00Z	12.26	false
2020-09-24T15:45Z	12.248	false
2020-09-24T15:30Z	12.264	false
2020-09-24T15:15Z	12.259	false
2020-09-24T15:00Z	12.254	false
2020-09-24T14:45Z	12.251	false
2020-09-24T14:30Z	12.255	false
2020-09-24T14:15Z	12.251	false
2020-09-24T14:00Z	12.271	false
2020-09-24T13:45Z	12.259	false
2020-09-24T13:30Z	12.257	false
2020-09-24T13:15Z	12.258	false
2020-09-24T13:00Z	12.258	false
2020-09-24T12:45Z	12.273	false
2020-09-24T12:30Z	12.259	false
2020-09-24T12:15Z	12.255	false
2020-09-24T12:00Z	12.257	false
2020-09-24T11:45Z	12.262	false
2020-09-24T11:30Z	12.267	false
2020-09-24T11:15Z	12.264	false
2020-09-24T11:00Z	12.275	false
2020-09-24T10:45Z	12.264	false
2020-09-24T10:30Z	12.267	false
2020-09-24T10:15Z	12.271	false
2020-09-24T10:00Z	12.26	false
2020-09-24T09:45Z	12.257	false
2020-09-24T09:30Z	12.266	false
2020-09-24T09:15Z	12.276	false
2020-09-24T09:00Z	12.275	false
2020-09-24T08:45Z	12.275	false
2020-09-24T08:30Z	12.276	false
2020-09-24T08:15Z	12.278	false
2020-09-24T08:00Z	12.278	false
2020-09-24T07:45Z	12.281	false
2020-09-24T07:30Z	12.283	false
2020-09-24T07:15Z	12.282	false
2020-09-24T07:00Z	12.285	false
2020-09-24T06:45Z	12.283	false
2020-09-24T06:30Z	12.283	false
2020-09-24T06:15Z	12.283	false
2020-09-24T06:00Z	12.281	false
2020-09-24T05:45Z	12.282	false
2020-09-24T05:30Z	12.282	false
2020-09-24T05:15Z	12.283	false
2020-09-24T05:00Z	12.287	false
2020-09-24T04:45Z	12.29	false
2020-09-24T04:30Z	12.291	false
2020-09-24T04:15Z	12.291	false
2020-09-24T04:00Z	12.292	false
2020-09-24T03:45Z	12.292	false
2020-09-24T03:30Z	12.292	false
2020-09-24T03:15Z	12.292	false
2020-09-24T03:00Z	12.29	false
2020-09-24T02:45Z	12.291	false
2020-09-24T02:30Z	12.288	false
2020-09-24T02:15Z	12.295	false
2020-09-24T02:00Z	12.296	false
2020-09-24T01:45Z	12.297	false
2020-09-24T01:30Z	12.297	false
2020-09-24T01:15Z	12.299	false
2020-09-24T01:00Z	12.298	false
2020-09-24T00:45Z	12.299	false
2020-09-24T00:30Z	12.299	false
2020-09-24T00:15Z	12.299	false
2020-09-24T00:00Z	12.299	false
2020-09-23T23:45Z	12.3	false
2020-09-23T23:30Z	12.3	false
2020-09-23T23:15Z	12.299	false
2020-09-23T23:00Z	12.3	false
2020-09-23T22:45Z	12.301	false
2020-09-23T22:30Z	12.299	false
2020-09-23T22:15Z	12.301	false
2020-09-23T22:00Z	12.302	false
2020-09-23T21:45Z	12.304	false
2020-09-23T21:30Z	12.304	false
2020-09-23T21:15Z	12.305	false
2020-09-23T21:00Z	12.306	false
2020-09-23T20:45Z	12.307	false
2020-09-23T20:30Z	12.306	false
2020-09-23T20:15Z	12.306	false
2020-09-23T20:00Z	12.308	false
2020-09-23T19:45Z	12.307	false
2020-09-23T19:30Z	12.307	false
2020-09-23T19:15Z	12.308	false
2020-09-23T19:00Z	12.31	false
2020-09-23T18:45Z	12.312	false
2020-09-23T18:30Z	12.31	false
2020-09-23T18:15Z	12.311	false
2020-09-23T18:00Z	12.311	false
2020-09-23T17:45Z	12.308	false
2020-09-23T17:30Z	12.308	false
2020-09-23T17:15Z	12.307	false
2020-09-23T17:00Z	12.304	false
2020-09-23T16:45Z	12.309	false
2020-09-23T16:30Z	12.31	false
2020-09-23T16:15Z	12.315	false
2020-09-23T16:00Z	12.317	false
2020-09-23T15:45Z	12.318	false
2020-09-23T15:30Z	12.31	false
2020-09-23T15:15Z	12.316	false
2020-09-23T15:00Z	12.317	false
2020-09-23T14:45Z	12.317	false
2020-09-23T14:30Z	12.316	false
2020-09-23T14:15Z	12.32	false
2020-09-23T14:00Z	12.32	false
2020-09-23T13:45Z	12.317	false
2020-09-23T13:30Z	12.323	false
2020-09-23T13:15Z	12.321	false
2020-09-23T13:00Z	12.319	false
2020-09-23T12:45Z	12.313	false
2020-09-23T12:30Z	12.319	false
2020-09-23T12:15Z	12.32	false
2020-09-23T12:00Z	12.314	false
2020-09-23T11:45Z	12.318	false
2020-09-23T11:30Z	12.315	false
2020-09-23T11:15Z	12.319	false
2020-09-23T11:00Z	12.318	false
2020-09-23T10:45Z	12.322	false
2020-09-23T10:30Z	12.323	false
2020-09-23T10:15Z	12.324	false
2020-09-23T10:00Z	12.325	false
2020-09-23T09:45Z	12.327	false
2020-09-23T09:30Z	12.325	false
2020-09-23T09:15Z	12.326	false
2020-09-23T09:00Z	12.325	false
2020-09-23T08:45Z	12.318	false
2020-09-23T08:30Z	12.317	false
2020-09-23T08:15Z	12.329	false
2020-09-23T08:00Z	12.329	false
2020-09-23T07:45Z	12.323	false
2020-09-23T07:30Z	12.331	false
2020-09-23T07:15Z	12.328	false
2020-09-23T07:00Z	12.331	false
2020-09-23T06:45Z	12.329	false
2020-09-23T06:30Z	12.325	false
2020-09-23T06:15Z	12.329	false
2020-09-23T06:00Z	12.33	false
2020-09-23T05:45Z	12.321	false
2020-09-23T05:30Z	12.332	false
2020-09-23T05:15Z	12.325	false
2020-09-23T05:00Z	12.324	false
2020-09-23T04:45Z	12.335	false
2020-09-23T04:30Z	12.339	false
2020-09-23T04:15Z	12.335	false
2020-09-23T04:00Z	12.335	false
2020-09-23T03:45Z	12.334	false
2020-09-23T03:30Z	12.334	false
2020-09-23T03:15Z	12.332	false
2020-09-23T03:00Z	12.33	false
2020-09-23T02:45Z	12.331	false
2020-09-23T02:30Z	12.334	false
2020-09-23T02:15Z	12.333	false
2020-09-23T02:00Z	12.334	false
2020-09-23T01:45Z	12.339	false
2020-09-23T01:30Z	12.339	false
2020-09-23T01:15Z	12.339	false
2020-09-23T01:00Z	12.342	false
2020-09-23T00:45Z	12.34	false
2020-09-23T00:30Z	12.337	false
2020-09-23T00:15Z	12.337	false
2020-09-23T00:00Z	12.328	false
2020-09-22T23:45Z	12.331	false
2020-09-22T23:30Z	12.332	false
2020-09-22T23:15Z	12.319	false
2020-09-22T23:00Z	12.322	false
2020-09-22T22:45Z	12.329	false
2020-09-22T22:30Z	12.332	false
2020-09-22T22:15Z	12.322	false
2020-09-22T22:00Z	12.331	false
2020-09-22T21:45Z	12.327	false
2020-09-22T21:30Z	12.325	false
2020-09-22T21:15Z	12.333	false
2020-09-22T21:00Z	12.328	false
2020-09-22T20:45Z	12.339	false
2020-09-22T20:30Z	12.341	false
2020-09-22T20:15Z	12.341	false
2020-09-22T20:00Z	12.33	false
2020-09-22T19:45Z	12.334	false
2020-09-22T19:30Z	12.327	false
2020-09-22T19:15Z	12.355	false
2020-09-22T19:00Z	12.328	false
2020-09-22T18:45Z	12.334	false
2020-09-22T18:30Z	12.337	false
2020-09-22T18:15Z	12.333	false
2020-09-22T18:00Z	12.333	false
2020-09-22T17:45Z	12.331	false
2020-09-22T17:30Z	12.334	false
2020-09-22T17:15Z	12.343	false
2020-09-22T17:00Z	12.339	false
2020-09-22T16:45Z	12.332	false
2020-09-22T16:30Z	12.341	false
2020-09-22T16:15Z	12.342	false
2020-09-22T16:00Z	12.33	false
2020-09-22T15:45Z	12.353	false
2020-09-22T15:30Z	12.343	false
2020-09-22T15:15Z	12.349	false

Forecast data

Key information

• Station name: Thirlmere Reservoir (Spillway level = 16.55m)
• Station ID: 5210
• River name: Thirlmere Reservoir
• Typical range: 10.09m to 16.68m
• Highest level on record: 18.04m on 05 December 2015
• Site datum: 162.52mAOD (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
• Check the long term flood risk for an area in England.

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