Lac McArthur
McArthur Lake
Lac McArthur is located in Quebec
Lac McArthur
Lac McArthur
Location in Quebec
LocationVal-des-Monts, Les Collines-de-l'Outaouais, Quebec, Canada
Coordinates45°42′29″N 75°40′13″W / 45.7080555°N 75.6702778°W / 45.7080555; -75.6702778
Surface elevation163 m (535 ft)

Lac McArthur (McArthur Lake) is a lake in the Outaouais region of Quebec, Canada, not far north of Ottawa.

Location

Lac McArthur (EHEZQ) is in Val-des-Monts, Les Collines-de-l'Outaouais, Quebec, at 45°42′29″N 75°40′13″W / 45.7080555°N 75.6702778°W / 45.7080555; -75.6702778.[1] It is fed by the Rivière Blanche from Lac Saint-Pierre and empties into Lac Grand to the southeast.[2] The lake is at an elevation of 163 metres (535 ft).[3] 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.[4] 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.[5][6]

Water quality

Water quality measurements were taken in mid-June, July and August 2015.[2] Average total phosphorus concentration was 4.4 µg/L, so the lake is classed as oligotrophic, or poor in nutrients.[7] 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.[8] The average concentration of dissolved organic carbon in the lake was relatively low at 2.98 mg/L.[9] The lake is not shown on the list of lakes affected by cyanobacteria (blue green algae) blooms between 2004 and 2014.[10]

Notes

    1. ↑ Lac McArthur – Natural Resources.
    2. 1 2 Lac McArthur – Fédération, p. 1.
    3. ↑ Lac McArthur Topo Maps – Yellow Maps.
    4. ↑ Federation of Lakes.
    5. ↑ Decision No. 168-A-1990.
    6. ↑ Decision No. 168-A-2001.
    7. ↑ Lac McArthur – Fédération, p. 3.
    8. ↑ Lac McArthur – Fédération, p. 4.
    9. ↑ Lac McArthur – Fédération, p. 5.
    10. ↑ Lac McArthur – Fédération, p. 6.

    Sources

    • Decision No. 168-A-1990, Canadian Transportation Agency, retrieved 2018-06-05
    • Decision No. 168-A-2001, Canadian Transportation Agency, retrieved 2021-08-19
    • Federation of Lakes, Federation of Lakes of Val-Des-Monts, retrieved 2018-06-05
    • Lac McArthur (PDF) (in French), Fédération des Lacs de Val-des-Monts, retrieved 2018-06-05
    • Lac McArthur, Natural Resources Canada, retrieved 2018-06-05
    • Lac McArthur Topo Maps, Yellow Maps, retrieved 2018-06-05
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