Loch Lomond is a 75-acre, man-made, shallow, hypereutrophic lake constructed in 1955. A great neighborhood and the best kept secret of Mundelein.
08/12/2026
The South Beach swim flag is back to GREEN following favorable rainfall totals and LCHD water testing results.
๐๐จ ๐ฅ๐ข๐๐๐ ๐ฎ๐๐ซ๐๐ฌ ๐จ๐ง ๐๐ฎ๐ญ๐ฒ! Please monitor lochlomondlake.com for the most current beach flag status.
08/11/2026
Today's South Beach swim flag is yellow following the recent heavy rains. Keep an eye on the weather and swim flag as rainfall is forecasted for the rest of the week.
๐๐จ ๐ฅ๐ข๐๐๐ ๐ฎ๐๐ซ๐๐ฌ ๐จ๐ง ๐๐ฎ๐ญ๐ฒ! Please monitor lochlomondlake.com for the most current beach flag status.
08/10/2026
Yesterday's rainfall has moved the South Beach swim flag back to RED.
๐๐จ ๐ฅ๐ข๐๐๐ ๐ฎ๐๐ซ๐๐ฌ ๐จ๐ง ๐๐ฎ๐ญ๐ฒ! Please monitor lochlomondlake.com for the most current beach flag status.
08/04/2026
The South Beach swim flag is back to GREEN!
๐๐จ ๐ฅ๐ข๐๐๐ ๐ฎ๐๐ซ๐๐ฌ ๐จ๐ง ๐๐ฎ๐ญ๐ฒ! Please monitor lochlomondlake.com for the most current beach flag status.
08/02/2026
Today's South Beach swim flag is yellow following the recent heavy rains.
๐๐จ ๐ฅ๐ข๐๐๐ ๐ฎ๐๐ซ๐๐ฌ ๐จ๐ง ๐๐ฎ๐ญ๐ฒ! Please monitor lochlomondlake.com for the most current beach flag status.
07/29/2026
Updated water testing results from the Lake County Health Department have moved the flag to GREEN!
๐๐จ ๐ฅ๐ข๐๐๐ ๐ฎ๐๐ซ๐๐ฌ ๐จ๐ง ๐๐ฎ๐ญ๐ฒ! Please monitor lochlomondlake.com for the most up to date beach conditions.
07/28/2026
Todayโs flag is back to red after receiving recent water testing results from the Lake County Health Department. Theyโll be back at the beach today to retest the water.
๐๐จ ๐ฅ๐ข๐๐๐ ๐ฎ๐๐ซ๐๐ฌ ๐จ๐ง ๐๐ฎ๐ญ๐ฒ! Please monitor lochlomondlake.com for the most up to date beach conditions.
The incredible support of our community partners helps make LochFest a success! A huge thank you to Greg's Frozen Custard for sponsoring this year's event and helping us bring the Loch Lomond community together!
The incredible support of our community partners helps make LochFest a success! A huge thank you to Bill's Pub North for sponsoring this year's event and helping us bring the Loch Lomond community together!