Loading...
Llyn Perfeddau
Water body ID 35444
Llyn Perfeddau is a very small freshwater lake located in Gwynedd, Wales. It is generally very shallow with low alkalinity and is situated at mid altitude.
Surface area | 1 ha |
Grid reference | SH65932641 |
Elevation | 469 m A.O.D. |
Perimeter length | 0 km |
Shoreline development index [?] | 1.09 |
Fetch distance [?] | 0.13 km |
Distance to sea [?] | 7.76 km |
Elevation type | Mid elevation |
Size type | Very small |
Depth type | Very shallow |
Geology type | Low alkalinity |
Humic type | Unavailable (no data) |
Mean alkalinity | 41 µEq/l |
Mean conductivity | 37 µS/cm |
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.