Waldsea Lake is a lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 in central Saskatchewan

Saskatchewan

Saskatchewan is a prairie province in Canada, which has an area of . Saskatchewan is bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, and on the south by the U.S. states of Montana and North Dakota....

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 100 km east of Saskatoon

Saskatoon

Saskatoon is a city in central Saskatchewan, Canada, on the South Saskatchewan River. Residents of the city of Saskatoon are called Saskatonians. The city is surrounded by the Rural Municipality of Corman Park No. 344....

 near Carmel, Saskatchewan

Carmel, Saskatchewan

Carmel is a small community in rural Saskatchewan, west of Humboldt and northeast of the City of Saskatoon. Carmel is within the Rural Municipality of Humboldt.The Carmel area is home to the Shrine of Our Lady of Mount Carmel...

. The lake is partially saline with strong consentations of Sodium

Sodium

Sodium is a chemical element with the symbol Na and atomic number 11. It is a soft, silvery-white, highly reactive metal and is a member of the alkali metals; its only stable isotope is 23Na. It is an abundant element that exists in numerous minerals, most commonly as sodium chloride...

, Sulfate

Sulfate

In inorganic chemistry, a sulfate is a salt of sulfuric acid.-Chemical properties:...

, Magnesium

Magnesium

Magnesium is a chemical element with the symbol Mg, atomic number 12, and common oxidation number +2. It is an alkaline earth metal and the eighth most abundant element in the Earth's crust and ninth in the known universe as a whole...

 and Chlorine

Chlorine

Chlorine is the chemical element with atomic number 17 and symbol Cl. It is the second lightest halogen, found in the periodic table in group 17. The element forms diatomic molecules under standard conditions, called dichlorine...

 ions. It is part of the Lenore Lake Basin, which includes several saline lakes (Lenore

Lenore Lake (Saskatchewan)

Lenore Lake is a partly saline lake in the province of Saskatchewan, Canada. It is part of the Lenore Lake Basin, which includes several saline lakes as well as the freshwater St. Brieux Lake and Burton Lake. The basin has no natural outlet...

, Basin, Middle, Frog, Ranch, Murphy, Flat, Mantrap, Houghton, Deadmoose and Waldsea) as well as the freshwater

Freshwater

Fresh water is naturally occurring water on the Earth's surface in ice sheets, ice caps, glaciers, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams. Fresh water is generally characterized by having low concentrations of dissolved salts and...

St. Brieux Lake and Burton Lake. The basin has no natural outlet.