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Colorado River Locks

COLORADO RIVER LOCKS, Matagorda, Texas  - USACE Galveston District Simon DeSoto, lockmaster at the Colorado River Locks, snapped this photo of  tow exiting the east lock of the Colorado River Locks.


Note: No mail or packages are being accepted either from or to tows due to security reasons.






Gulf Intracoastal Waterway

Colorado River Locks, Texas


J&S Contractors will be working at the Colorado River Locks repairing the guidewalls on the East and West Locks. This work may require closure of the Locks during the designated periods of work.

TIME: Work will take place from 09 May 2016 thru 30 Jun 2016, 7:00 a.m. to 5:00 p.m. Monday through Friday. Work will not be performed on weekends or Federal holidays.

COOPERATION SOLICITED: Mariners should contact the Lock Master at (979) 863-7842 to confirm the closure time so as to minimize their delay. The Lock Master will be knowledgeable of the exact closure times 24 hrs. in advance of closure. Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made.

Lock Gauge Water Elevation Readings (MLT)*

 East Lock   West Lock  
River Side 3.89 River Side 3.89
Canal Side N/A Canal Side N/A

READINGS LAST UPDATED: May 25, 2016 1400

Current Velocities

Colorado River (mph)   3.87
By-Pass Channel (mph)   -0.45      

Lock Dimensions

1,200 feet long by 75 feet wide, maximum length allowed on tows is 1,180 feet, maximum width allowed on tows is 74 feet.

Traffic Information

Lockings on turn: Eastbound  22

Lockings on turn: Westbound 13


Galveston District Colorado River Locks

Mailing Address:

USACE Galveston District

Lockmaster, Colorado River Locks

P.O. Box 677

Matagorda, TX  77457



East Lock Control House: 979-863-7842  Ext. 2005

Fax: 979-863-2127

Office Hours: 7 a.m. - 4:00 p.m. (Monday through Thursday)

7 a.m. - 3:30 p.m. (Friday)