(WIBW) - State health officials say the substance sparking concern in the Cottonwood River over the weekend was harmless algae.
The Kansas Department of Health and Environment and other agencies were called Sunday afternoon to investigate what appeared to be an oily substance in the water in Lyon County. Initial assessments showed the substance was not harmful, but it remained unidentified.
Wednesday, KDHE said tests returned showing the substance was a non-blue-green algal bloom that posed no health risk.
“These types of blooms can occur in slow moving, low flow streams and rivers during the summer months,” said Tom Langer, Bureau of Environmental Health Director. “While this algae is visible on the water surface, it is not a health concern. The abundant rainfall during the last few days will effectively eliminate the bloom.”
KDHE says tests found no petroleum in the water.
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