Part of SDCWA Emergency Storage Project (ESP) :

Emergency Storage Project Description
http://www.sdcwa.org/infra/pdf/ESP_fact_sheet_Sept_2007.pdf

Archieve Information on ESP Program
http://www.sdcwa.org/infra/cip-esp.phtml

References:

Lake Hodges Tunnel Project - Union Tribune Article 9/03/2005
http://www.signonsandiego.com/uniontrib/20050903/news_1mi3pipe.html
( PDF )

Conecting Lake Hodges to Olivenhain Reservoir
http://www.sdcwa.org/infra/pdf/ESPUpdate_Fall06.pdf

Photos of Lake Hodges to Olivenhain Reservoir Tunnel Building
http://photos.signonsandiego.com/gallery1.5/tunnel/UTI0803957

Tunnel Blasters on Lake Hodges / Olivenhain Reservoir project
http://www.signonsandiego.com/uniontrib/20060521/news_lz1mi21tunnel.html
( PDF )