Upper Great Miami Watershed

Watersheds: Upper Great Miami


Upper Great Miami Watershed Map

Upper Great Miami Watershed

At least 98 percent of the Upper Great Miami Watershed lies in Ohio, but a small portion extends into eastern Randolph County, of which it drains about 20,000 acres. Dismal Creek and Greenville Creek are the "major" tributaries of this watershed in Indiana.

County
Randolph
TOTAL

Acreage
20,561
20,561

Source: USDA

The Great Miami River joins the Ohio River just east of the Indiana-Ohio state line. The Ohio River flows into the Mississippi River, which discharges into the Gulf of Mexico.

The United States Geological Survey has assigned the Upper Great Miami Watershed an 8-Digit Hydrologic Unit Code of 05080001.