Channel Grade Control Structure Inventory

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Choose a Facility:  Aliso Creek Channel Brea Canyon Channel Central Irvine Channel Coyote Creek Channel Fairview Channel Fullerton Creek Channel Loftus Diversion Channel Los Alisos Channel Oso Creek Channel Peters Canyon Channel Rossmoor Retarding Basin San Diego Creek Channel Santa Ana River Santiago Creek Channel Segunda Deshecha Canada Channel Serrano Creek Channel Trabuco Creek Channel

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Photo Location City Description Drawing No. Sheet No. Thomas Guide Station Aliso Creek Channel (J01) 1.2 mile downstream of AWMA Road Aliso Viejo Drop Structure No Plans   951, E2 N/A, 1.2 Mile D/S of AWMA Road Aliso Creek Channel (J01) At AWMA Road Aliso Viejo Concrete Drop Structure J01-701-18 2 951, E2 N/A, at AWMA Road Aliso Creek Channel (J01) 500 ft. upstream of AWMA Road Aliso Viejo Concrete Drop Structure No Plans   951, E2 N/A, 500' U/S of AWMA Road Aliso Creek Channel (J01) 800 ft. upstream of AWMA Road Aliso Viejo Concrete Drop Structure J01-701-18 2 951, E1 N/A, 800' U/S of AWMA Road Aliso Creek Channel (J01) 900 ft. upstream of Aliso Creek Road Aliso Viejo Concrete Drop Structure J01-701-18 2 951, E1 N/A, 900' U/S of Aliso Creek Road Aliso Creek Channel (J01) Downstream of Pacific Park Aliso Viejo Riprap Drop Structure J01-701-17 2 921, F6 N/A, D/S of Pacific Park Aliso Creek Channel (J01) Downstream of Laguna Hills Drive Aliso Viejo Riprap Drop Structure J01-704-1A 2 921, F3 N/A, D/S of Laguna Hills Drive Aliso Creek Channel (J01) Upstream of Paseo De Valencia Aliso Viejo Grouted Riprap Drop Structure J01-704-1A 2 921, G1 N/A, U/S of Paseo De Valencia Aliso Creek Channel (J01) 800 ft. upstream of Paseo De Valencia Laguna Hills Concrete Structure J01-704-1A 2 921, H1 N/A, 800' U/S of Paseo De Valencia Aliso Creek Channel (J01) 700 ft. upstream of I-5 Lake Forest Drop Structure J01-701-8 2 861, H7 N/A, 700' U/S of I-5 Aliso Creek Channel (J01) 700 ft. upstream of I-5 Lake Forest Grade Control Structure J01-701-8 2 861, H7 N/A, 700' U/S of I-5 Aliso Creek Channel (J01) 1000 ft. upstream of I-5 Lake Forest Grade Control Structure J01-701-8 3 861, H7 N/A, 1000' U/S of I-5 Aliso Creek Channel (J01) 1300 ft. upstream of I-5 Lake Forest Grade Control Structure J01-701-8 3 861, H7 N/A, 1300' U/S of I-5 Aliso Creek Channel (J01) 1600 ft. upstream of I-5 Lake Forest Drop Structure J01-701-2A 3 861, H6 N/A, 1600' U/S of I-5 Aliso Creek Channel (J01) 1900 ft. upstream of I-5 Lake Forest Drop Structure J01-701-2A 3 891, H6 N/A, 1900’ U/S of I-5 Aliso Creek Channel (J01) 80 ft. downstream of 2nd Street Lake Forest Drop Structure J01-701-1A 3 891, J5 N/A, 80' D/S of 2nd Street Aliso Creek Channel (J01) 150 ft. upstream of 2nd Street Lake Forest Drop Structure (Installed by O&M) J01-705-1A 3 891, J5 N/A, 150' U/S of 2nd Street Aliso Creek Channel (J01) Downstream of Creekside Road Lake Forest Drop Structure No Plans   892, B3 N/A, D/S of Creekside Road Aliso Creek Channel (J01) Downstream of Creekside @ Hollow Lake Forest Buried Riprap Drop Structure No Plans   892, B3 N/A, Downstream of Creekside @ Hollow