Lac McArthur (McArthur Lake) is a lake in the
Outaouais
Outaouais (, ; also commonly called The Outaouais) is a region of western Quebec, Canada. It includes the city of Gatineau, the municipality of Val-des-Monts and the Papineau region. Geographically, it is located on the north side of the Ottaw ...
region of Quebec, Canada, not far north of
Ottawa.
Location
Lac McArthur (EHEZQ) is in
Val-des-Monts
Val-des-Monts is a municipality in the Outaouais region of Quebec, Canada, located about north of Ottawa, Ontario. It has a population of 13,328 residents in 2021. Formed in 1975 by the merger of the towns of Perkins, Saint-Pierre-de-Wakefield an ...
, Les Collines-de-l'Outaouais, Quebec, at .
It is fed by the Rivière Blanche from Lac Saint-Pierre and empties into
Lac Grand to the southeast.
The lake is at an elevation of .
The lake association is a member of the Federation of Lakes of Val-Des-Monts, a voluntary organization that works to protect water quality in the region.
In 1990 Air Wapus Enr. was granted a license to operate a domestic air charter service from a base at Lac McArthur between 15 May and 15 October each year, however this license ended in 2001.
Water quality
Water quality measurements were taken in mid-June, July and August 2015.
Average total
phosphorus
Phosphorus is a chemical element with the symbol P and atomic number 15. Elemental phosphorus exists in two major forms, white phosphorus and red phosphorus, but because it is highly reactive, phosphorus is never found as a free element on Ear ...
concentration was 4.4 µg/L, so the lake is classed as
oligotrophic, or poor in nutrients.
The average concentration of
chlorophyll in the lake was 1.50 μg/L, which indicates that the biomass of microscopic algae suspended in water is low and confirms the oligotrophic classification.
The average concentration of dissolved organic carbon in the lake was relatively low at 2.98 mg/L.
The lake is not shown on the list of lakes affected by
cyanobacteria (blue green algae) blooms between 2004 and 2014.
Notes
Sources
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{{DEFAULTSORT:Mcarthur, Lac
Lakes of Outaouais