Lake Martha

Lake Martha is one of a group of seven lakes just north of the Tulalip Reservation in Snohomish County that are regularly sampled by IWS (Crabapple, Goodwin, Howard, Ki, Loma, Martha, and Shoecraft). This 62 acre lake lies within a roughly 800 acre watershed, most of which is developed. The lake experiences occasional blue-green algae blooms, which may produce dangerous toxins, so avoid water contact if there are warning signs posted.


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Data

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
MarthaMAR9/21/098.919.77.91104.232.61.3422.6432< 105.5< 3
MarthaMAR3/30/109.8210.47.7102.3NA28.71.31< 1046298.4< 5< 3
MarthaMAR6/21/108.2918.37.7100.96.628.80.85< 10420< 10< 5< 3
MarthaMAR7/25/118.520.98103.63.531.50.63< 10480< 10< 5< 3
MarthaMAR8/6/129.124.27.9101.4229.30.83< 10378< 10< 5< 3
MarthaMAR7/10/138.9223.47.899.32.628.90.6< 10410.4< 108.4< 3
MarthaMAR7/21/149.07238.11064.6734.50.64< 10302< 108< 3

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