Sylvan Lake Watershed Stewardship Society
Protecting the lake's natural assets and values through vigilance and science.
The Alberta Agriculture weather station at Hespero west of Sylvan Lake reports these data for precipitation and temperature between January 1 and May 21: The lake level on 2018-11-01 was 936.550 metres above sea level (masl). On 2019-05-21 the lake level was 936.705 masl. Data are available at this Environment Canada website https://wateroffice.ec.gc.ca/. Accumulated precipitation …
Continue reading "Sylvan Lake Weather and Lake Level in 2019"
This set of graphics includes historical data on the environment of the Sylvan Lake watershed and surrounding Central Alberta. The quality and quantity of water in the watershed are critical factors that determine watershed value. Dissolved and suspended minerals and organics from the land are transported in surface and underground water into the lake and …
This graph shows the precipitation history recorded by the Alberta Agriculture weather station at Hespero, west of Sylvan Lake from Jan 1 to November 13, 2018. The shortfall is 170 mm (0.17 m) of precipitation compared to the long term average. We assume that those observations at Hespero are representative of those for our watershed …
This graphic from a recent Alberta Energy Regulator (AER) analysis of the groundwater supply in the Sylvan Lake region shows that the Sylvan Lake watershed is in a rare Red zone signifying high risk to Safe Yield of water supply. Sylvan Lake is located roughly at 52oN, 114oW: The Alberta Geological Survey groundwater modeling team …
Continue reading "Sylvan Lake Sub-Basin Groundwater Modeling by the AER-AGS Top Gun Team"
The Environment Canada real-time hydrometric sensor is online for 2018 and transmitting lake level measurements from the Sylvan Lake marina station 05CC003. This graph shows the change in lake level between May 1 and September 3, 2018. The historical median lake level on September 1 is about 936.78 metres above sea level. The lake level was …
The eagle is back in its nest high in a tree on the south edge of the Sylvan Lake Natural Area. Here is a photo album of a driving tour of the Northwest Creek catchment including manure-rich feedlots, evidence of spring runoff, but no flow in the creek itself on May 13. The whole area …
Continue reading "Tour of the NW End of Sylvan Lake to Check the State of Spring Runoff."
