Iaqua (also, Jaqua) is a former settlement in Humboldt County, California. It was located 5.5miles south of Kneeland.
Camp or Fort Iaqua, a military post operational from August 5, 1863, to 1866 was located on Yeager Creek about 18 miles east of the mouth of the Eel River,[1] is located on Iaqua Creek 4miles south-southeast of Iaqua.
The Jaqua post office opened in 1880, and changed its name to Iaqua later that year. The post office closed in 1903, re-opened in 1909, and closed for good in 1920.
As of 1873, a school was in operation at Iaqua.[2] It later merged with the Kneeland School.