Ohio River Dye Test

Wednesday, September 26, 2018

An upcoming research project being conducted on the Ohio River that is currently planned for the week of October 8, 2018. As part of ongoing activities to protect Ohio River drinking water sources, the Greater Cincinnati Water Works will be conducting a dye study to better understand the flow dynamics in the river. This study will be done in cooperation with the Ohio River Valley Water Sanitation Commission and Northern Kentucky Water District. Valuable information and data will be obtained which will provide for more effective response to spills or other contamination events in the river.

As part of the study, red dye will be introduced into the river three times over a 2-3-day period during the week of October 8th. This will occur in the proximity of the I-275 Combs-Hehl Bridge and will likely turn portions of the river a tint of red downstream of the bridge. The dye is harmless and will not affect the use of the river or aquatic life. It may, however, be mistaken for a chemical spill. To address this potential, the utilities will reach out to various agencies to make them aware of the dye testing, including (but not limited to) the Ohio Environmental Protection Agency, Kentucky Division of Water, the United States Coast Guard, the US Army Corps of Engineers and local emergency management agencies. The City of Cincinnati will also reach out to the public through social media and a press release. We expect these efforts to minimize any potential concern during the testing.

If you have questions please contact the Northern KY Water District at 859-578-9898.

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