The Healthy Lakes Committee of the BLCA What is Groundtruthing "Groundtruthing" is an on-site validation of concerns identified in the examination of the aerial images taken as part of the Flyover by AWRL. Property Owner and trained Ground truther jointly identify whether concerns identified in the images are significant. Go to the lake and look in the shallows next to the shore for chladophora and or spirogyra. The Lake is the eyes of the ground water quality! In cases where problems are confirmed then the "groundtruther" and property owner can discuss the need for - and implementation of - Best Management Practices (BMPs).
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