About the CLWA

Swimmer’s Itch Data from Congregational Assembly Beach 2019

The Congregational Summer Assembly beach, on the southwest corner of Crystal Lake, has been producing the most complete and accurate data on the occurrence of swimmer’s itch since 2013. The latest statistics, from the 2019 season, have now been analyzed and summarized by Al Flory of the CLWA Swimmer’s Itch Partnership. Flory’s report emphasizes two important conclusions: incidence of swimmer’s itch is higher when there are onshore winds and during the morning hours. There is also evidence that swimmer’s itch on Crystal Lake may be stabilizing or decreasing.

Read the full report here.