Coal Lake

Coal Lake (Snohomish County) is in the North Cascades on the Mountain Loop Highway (FR 20) and can be reached by taking FR 4060. This tiny, beautiful lake is only a short hike from the road, and is a popular fishing and picnicking spot.

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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
CoalCOAL8/28/139.316.27.850.70.723.80.28< 1056.9< 10< 5< 3
CoalCOAL7/30/1410.0615.77.652.90.6225.30.24< 1010.6< 10< 5< 3
CoalCOAL7/21/159.2417.67.959.3NA280.34< 1072.3< 106.3< 3
CoalCOAL7/11/1610.5210.97.557.< 1055.611.6< 5< 3