Loading...
Lluest-wen Reservoir
Water body ID 41303
Lluest-wen Reservoir is a small freshwater lake located in Rhondda Cynon Taff, Wales. It is generally shallow with medium alkalinity and is situated at mid altitude, with its catchment dominated by peat.
| Surface area | 11 ha |
| Mean depth [i] | 9.8 m |
| Catchment area | 569 ha |
| Grid reference | SN94740174 |
| Elevation | 408 m A.O.D. |
| Perimeter length | 2 km |
| Shoreline development index [?] | 1.75 |
| Fetch distance [?] | 0.80 km |
| Distance to sea [?] | 19.73 km |
| Water body volume [?] | 1118492 m3 |
| Catchment-to-lake ratio [?] | 50.0 |
| Elevation type | Mid elevation |
| Size type | Small |
| Depth type | Shallow |
| Geology type | Moderate alkalinity |
| Humic type | Humic |
| Mean alkalinity | 298 µEq/l |
| Mean colour | 32.7 mgPt/l |
| Mean conductivity | 65 µS/cm |
This tab provides an indication of species occurrence in and around the lake. The data is provided by the National Biodiversity Network (NBN) and its use is subject to the NBN Atlas Terms and Conditions. These results are not indicative of the full range of species found at the site and should be used accordingly. For more information about this tab please read Where do the biological data come from?
| Common name | Scientific name | Rank | UK Lakes Group | Observations |
|---|
If You Share the Licensed Material (including in modified form), You must:
- retain the following if it is supplied by the Licensor with the Licensed Material:
- identification of the creator(s) of the Licensed Material and any others designated to receive attribution, in any reasonable manner requested by the Licensor (including by pseudonym if designated);
- a copyright notice;
- a notice that refers to this Public License;
- a notice that refers to the disclaimer of warranties;
- a URI or hyperlink to the Licensed Material to the extent reasonably practicable;
- indicate if You modified the Licensed Material and retain an indication of any previous modifications; and
- indicate the Licensed Material is licensed under this Public License, and include the text of, or the URI or hyperlink to, this Public License.
You may satisfy the conditions in Section 3(a)(1) in any reasonable manner based on the medium, means, and context in which You Share the Licensed Material. For example, it may be reasonable to satisfy the conditions by providing a URI or hyperlink to a resource that includes the required information.
If requested by the Licensor, You must remove any of the information required by Section 3(a)(1)(A) to the extent reasonably practicable.
If You Share Adapted Material You produce, the Adapter's License You apply must not prevent recipients of the Adapted Material from complying with this Public License.
The following connectivity metrics are preliminary results from the NERC Hydroscape project and show a small sample of the data created for analysing the connectedness of lakes. As well as the hydrological catchment, various buffers were created outwards from the lake outline — the largest (2km) is shown below.
| Catchment mean elevation [?] | 468.16 m |
| Catchment mean slope [?] | 4.92 ° |
| Catchment strahler 1 length [?] | 9376.10 m |
| Catchment strahler 2 length [?] | 2345.44 m |
| Catchment strahler 3 length [?] | 1701.36 m |
| Catchment strahler 4 plus length [?] | 96.35 m |
| 2km buffer river length [?] | 29899.36 m |
| 2km buffer lakes perimeter [?] | 781.61 m |
Water quality monitoring data for this lake is available from the EA water quality service.
The below dropdown is prepopulated with a list of popular determinands.
The development of the database was jointly funded by the Environment Agency, Natural England, Countryside Council for Wales, and the Scotland and Northern Ireland Forum for Environmental Research (SNIFFER). Lake polygon geometry in Northern Ireland is based upon Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority from the Controller of Her Majesty's Stationery Office, Crown copyright and database rights, EMOU206.2. Northern Ireland Environment Agency Copyright 2015. Lake polygon geometry in Great Britain is based on Ordnance Survey data and contains public sector information licensed under the Open Government Licence v3.0. Data about species occurrence presented on this page is provided by the National Biodiversity Network (NBN) and its use is subject to the NBN Atlas Terms and Conditions.