Myrtle Lake

Myrtle Lake (Snohomish County) is in the North Cascades on the Mountain Loop Highway (FR 20), which runs from Granite Falls to Darrington. If you are heading toward Darrington, Myrtle Lake is located on the right side on the unpaved section of the highway; Monte Cristo Lake is located on the left side of the highway. Myrtle Lake is surrounded by swampy vegetation and contains an interesting assortment of aquatic life, including fair amount of newts.

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LakeKeyDateDO mg/LTemp CpHCond uS/cmChl ug/LAlk mg/LTurb NTUNH3 ug-N/LTN ug-N/LNO2+3 ug-N/LTP ug-P/LSRP ug-P/L
MyrtleMYR8/21/< 10306< 10154.2
MyrtleMYR8/14/137.6922.87.328.35.312.40.487< 10285.6< 1013.5< 3
MyrtleMYR7/30/148.9525726.64.7911.40.63< 10224< 1017.2< 3
MyrtleMYR7/21/156.3622.5732.5NA140.35< 10298.8< 1018.1< 3
MyrtleMYR7/11/< 10259.2< 1021.4< 3
MyrtleMYR8/8/187.322.2723.74.710.41.21< 10282< 1012< 3