Water Clarity

Water clarity is a measure of how much light penetrates though the water column. Water clarity is dependent upon the amount of particles (e.g. suspended sediment and plankton) and colored organic matter present. Clear water is especially critical for seagrasses since, like all plants, they need to be able to absorb the sun’s rays to grow. Excess sediment in the water reduces water clarity by blocking sunlight to seagrasses. Fish and other organisms in the water need aquatic grass habitat to thrive.

See the results for water clarity in Lake Okeechobee.

Photo credit: South Florida Water Management District.

How is it measured?

Water clarity is measured in Lake Okeechobee. 

The water clarity indicator is based on the ratio or Secchi depth to total depth at each site. The deeper the secchi depth is, the higher the score is for this indicator.