Thursday, June 18th, 2009
Photo by Daily Standard Staff

Parts per billion (ppb) concentrations of microcystin algae toxin in Grand Lake as measured on June 11. The World Health Organization recreational exposure limit is 20 ppb.

Related online story:
Users of Grand Lake now have a Web site to check on algae toxin levels in the lake.
The page was created by the Ohio EPA and is available at www.ep [More]
Additional pictures on this date