Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Waimea River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Waimea River, the highest being situated at an altitude of ft, the .

The Waimea River is located on the island of Kauai, Hawaii. It is approximately 12 miles long and has a rich history dating back to Hawaiian culture. The river is primarily supplied by rainfall and is known for its hydrology, with the upper reaches of the river being steep and rugged, while the lower reaches are more calm and navigable. There are two main reservoirs on the river: the Puu Lua Reservoir and the Kokee Ditch Reservoir. The Puu Lua Reservoir is used for power generation, while the Kokee Ditch Reservoir is used for irrigation. The river is also used for recreational activities such as kayaking, fishing, and hiking. Additionally, the river is significant for its agricultural use, as it provides water for the Waimea Valley Agriculture Park.