Kaukonahua River
General data
- Name: Kaukonahua River
- Water system: Pacific Ocean
- Water type: River
- Progression: Pacific Ocean -> Planet Earth
- Climates: Tropical
- Continents: North America
- Countries: United States of America
The Kaukonahua Stream or Kaukonahua River is a 9.9-mile-long (15.9 km) river on the island of Oʻahu which is one of the Hawaiian Islands.
Including its longer South Fork, the stream's total length is 28 miles (45.1 km).
It flows down in a generally northwest direction, into the Pacific Ocean.
It is the longest river of the whole island group.
It empties into Kaiʻaka Bay near Waialua, Hawaii on the North shore.
However, the waters of Kaiaka Bay and the waterbodies that drain into it are known to be polluted with multiple contaminants that exceed State Water Quality Standards.