Cooperative Water Program
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Ohio flood inundation maps –Maps are now available for Findlay, Killbuck, and Ottawa, Ohio. These maps show where flooding occurs at various high river levels. They are just one example of USGS products and services developed in the 100 years since Ohio’s devastating Great Flood of 1913. (Press release) (Note: USGS WaterNow is available, allowing you to send an email or text message containing a USGS current-conditions streamgaging site number and quickly receive a reply with its most recent observation(s).