You can access information about different research and studies that
have been completed at Clear Lake below.
Web Sites:
Clear Lake Surface Water Monitoring (2004 - 2011) Water quality information from 3 sites on Clear Lake, 2 sites on Ventura Marsh, and 7 tributary sites in the watershed
are presented in this database. Samples were collected twice per month throughout the open water season. Please note the
file contains multiple worksheets shown as tabs on bottom of page.
Iowa Lakes Survey Water Monitoring The Iowa Lakes Survey collects water quality information from 132 lakes annually. The study began in 2000 and is ongoing. Three water samples are collected from each of the lakes annually and the results are presented in this report.