Lake Water Quality
Sample Results by Year
General Reports
Third Party Reports
https://www.profundestelles.cat/privadesa/ here Lake Washington Improvement Association previously used PLM, a third party agency, to conduct water sampling tests. Listed below are the results. You can also access previous newsletters to specific to each year to view additional information.
Definitions
https://www.colfisioaragon.org/informacion-institucional/ PHOSPHORUS
Total phosphorus (micrograms/liter): A measure of nutrients in the water, lower is less nutrients for aquatic vegetation.
enter CHLORPHYLL
Chlorophyll-a (micrograms/liter): A measure of the amount of Algae in the water, lower is less algae.
go here TSI
TSI characterizes water’s ability to produce vegetation – higher means more vegetation.
- TSI of 0-30 is oligotrophic, where water is clear, phosphorus is low, and algae is limited.
- TSI of 40-50 is mesotropic where there is an increase in aquatic vegetation due to more phosphorus in the water.
- TSI of greater than 50 is eutrophic with high levels of aquatic vegetation and high levels of phosphorus to support the vegetation.