Toxic Algae en Algae Toxin Prompts Warning At Southwest Ohio Lake <p>BATAVIA, Ohio (AP) - An advisory has been issued for swimmers at East Fork Lake in southwest Ohio because of a toxin produced by blue-green algae.</p><p>The advisory recommends that visitors who are very young, elderly or have compromised immune systems avoid swimming or wading at the lake in Clermont County, east of Cincinnati. The advisory issued Monday applies to the main beach and the campground beach.</p><p>Officials say state testing there found the toxin in concentrations higher than the levels at which it has been shown to affect the liver.</p> Tue, 24 Jun 2014 23:12:52 +0000 Associated Press 51843 at Algal Blooms May Take Hit From Cooler Weather, Farm Methods <p></p><p>Algal blooms are once again causing problems for lakes and streams in Ohio this summer. But&nbsp;farmers are combating the situation, and so far, they’re getting some help from the weather.</p><p>When rain falls on farm fields that have been treated with fertilizers containing nitrogen and phosphorus, whatever chemicals haven't soaked deep enough into the soil, or made their way into the crops, can end up in nearby streams and lakes. That runoff is feeding nutrients to harmful algal blooms.&nbsp;</p> Wed, 14 Aug 2013 07:02:41 +0000 Jerry Kenney 37701 at Algal Blooms May Take Hit From Cooler Weather, Farm Methods Officials Post Signs on Toxic Algae at Ohio Lake <p><span lang="EN">Officials have posted signs at a western Ohio state park lake to warn visitors about toxic blue-green algae.</span></p><p><span lang="EN">The state Department of Natural Resources posted the first signs of the year Thursday at four beaches in Grand Lake St. Marys.</span></p><p><span lang="EN">The Columbus Dispatch&nbsp;<font size="1">reports the signs warn people with weak immune systems to not swim or walk through the water. It also warns elderly and young people to stay away.</font></span></p> Fri, 25 May 2012 14:04:20 +0000 Associated Press 16637 at Officials Post Signs on Toxic Algae at Ohio Lake