Cal Fire has arrested a man on suspicion of arson in the 14,100-acre that began on Los Coyotes Indian Reservation near Warner Springs on July 21.
A man was detained on the reservation and handed over to Cal Fire in Warner Springs at around 1 p.m. Thursday, according to Los Coyotes Police Chief David Sossaman. Cal Fire has confirmed the arrest. The suspect's name has not been released.
The current estimated cost of the Eagle Fire suppression efforts is $15.4 million. At one point, 2,100 firefighters from throughout California worked to quell the blaze which swept from leased land on the reservation into the Anza-Borrego Desert State Park.
Cal Fire was the investigating agency. A spokesman told Patch last week that any arrest would be done by Cal Fire and handled by the district attorney's office.
The fire began on The company provides the space to military and other government entities for training.
During the fire, flames were seen at times on hills overlooking Palm Canyon Trail from the town of Borrego Springs. Firefighters used water from various sources, including wells on the Warner Springs side and ponds at de Anza Country Club golf course in Borrego Springs.