Ohio Department of Health (ODH) Confirms No Known Reports of Algal-Related Illness at Grand Lake St. Marys (GLSM) this Season

CELINA- The Mercer County Health District (MCHD) was made aware today of an Ohio Department of Health (ODH) sign that was posted at the West Bank boat ramp in Celina regarding harmful algal bloom related illness. The MCHD has been in contact with ODH and they confirm there are no known reports of algal-related illness at GLSM at this time.

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The outdated sign had not been removed and it’s in the process of being removed today. Presently, there are blue signs posted at Grand Lake St. Marys indicating that an algal bloom has been visually detected and that samples have been collected and are pending laboratory analysis.

For the most up-to-date information on beach water quality and advisories in Ohio, visit BeachGuard at http://publicapps.odh.ohio.gov/beachguardpublic/. More information on harmful algal blooms (HABs) is available at www.ohioalgaeinfo.com or by calling 1-866-644-6224.

NOTE: The Outlook has asked for an explanation as to why the old red signs were still up. Also we wre made aware that a red sign was in place at Windy Point.

(6-25-21) The following is an email from Keith Westrick of LIA in response to an Outlook email request –

I just had a conversation with Dave Faler the State Park Manager. He said due to what looked like algae blooms yellow signs were posted at all of the beaches stating that there had been a possible algae bloom. This is state protocol now. He also said that a yellow sign was put up at West Beach stating a raise in the E-coli numbers. Their department didn’t put up any red signs about algae blooms or levels at Windy Point or West Bank.

Ohio Department of Health

An outdated sign had not yet been removed, and is in the process of being removed today. Presently, there are  blue signs posted at Grand Lake St. Mary’s indicating that an algal bloom has been visually detected, and that samples have been collected and are pending laboratory analysis. There have been no reports of illness at this time. For the most up-to-date information on beach water quality and advisories in Ohio, visit BeachGuard at http://publicapps.odh.ohio.gov/beachguardpublic/. More information on HABs is available at www.ohioalgaeinfo.com or by calling 1-866-644-6224.

Alicia Shoults
Office of Public Affairs and Communications
Ohio Department of Health

NOTE: Will continue to update this story…

(6-24-21) The sign pictured (left) was posted yesterday at least two additional spots on Grand Lake, the West Bank Boat Ramp and at Windy Point.

The sign readsThe Ohio Department of Health is aware of least one harmful algal bloom related illness that occurred on this lake this season Swimming and wading not recommended.

Recently the State on the other side of the lake posted that the Grand Lake’s West Beach was under a contamination advisory. According to the ODH web site the advisory has been lifted at the West Beach.

The test for the two new locations were posted on the ODH site –

From the Ohio Department of Health web site –