Top Discharges

Streamgauges reporting the most discharge on the Tarkio River

10 Day Trend

Discharge comparison for the highest gauges over the past 10 days

Expected Streamflow Ranges

Streamflow discharge range for this time of year

The Tarkio River (also known as the Big Tarkio River) is a non-navigable river that stretches for approximately 140 miles (225 km) from Cass County, Iowa to its mouth on the Missouri River in Holt County, Missouri. The river basin which drains approximately 508 square miles (1,316 km2) is sandwiched between the Nishnabotna River to the west and the Nodaway River to the east. The name "Tarkio" is from a Native American word meaning "place where walnuts grow".The river passes rural areas and figures most prominently in the drainage system nears its mouth in management of Big Lake, Missouri and ... Source: Wikipedia