Survey data is referenced to Oregon North State Plane Coordinates North American Data 1983 with sounding reference below Mean Lower Low Water in U.S. Survey Feet to Miller Sands where the sounding reference changes to Columbia River datum.
| Columbia River Side Channels | ||||||
| Survey title | Survey date | |||||
| Sheet number River mile | Channel or Cross line | |||||
| Baker Bay West Channel | ||||||
| Entrance to Fort Canby | 08/28/2024 | |||||
| CM_01_BB1 00+10 to 01+50 | XYZ | Shape | ||||
| Fort Canby to Ilwaco | 08/29/2024 | |||||
| CM_02_BB2 01+50 to 03+10 | XYZ | Shape | ||||
| Chinook Channel | ||||||
| Chinook Channel | 09/18/2024 | |||||
| CM_05_CHK 00+20 to 02+00 | XYZ | Shape | ||||
| Hammond Boat Basin | ||||||
| Hammond Boat Basin | 05/27/2014 | |||||
| CM_08_HMB Boat Basin | XYZ | Shape | ||||
| Skipanon Channel | ||||||
| Skipanon Channel | 05/30/2024 | |||||
| CM_09_SKP 00+00 to 02+00 | XYZ | Shape | ||||
| Elochoman Slough | ||||||
| Cathlamet Bay | 11/13/2024 | |||||
| CM_11_CBY 00+00 to 01+30 | XYZ | Shape | ||||
| Cathlamet Channel | ||||||
| Entrance | 12/29/2020 | |||||
| CM_13_ELO 00+00 to 01+00 | XYZ | Shape | ||||
| Skamokawa Creek | ||||||
| Skamokawa Creek | 11/14/2024 | |||||
| CM_15_SKC 00+00 to 00+16 | XYZ | Shape | ||||
| Wahkiakum Ferry Crossing | ||||||
| Wahkiakum Ferry Crossing | 05/08/2024 | |||||
| CM_16_WFC 43+10 Crossing | XYZ | Shape | ||||
| Westport Slough | ||||||
| Westport Slough | 05/09/2024 | |||||
| CM_17_WSL 43+10 Crossing | XYZ | Shape | ||||
| Cowlitz River | ||||||
| Old Mouth | 10/10/2024 | |||||
| CZ_00_CWM 00+00 to 00+33 | XYZ | Shape | ||||
| Oregon Slough Lower | ||||||
| Oregon Slough Lower | 11/12/2024 | |||||
| CM_19_OSL 00+00 to 03+42 | XYZ | Shape | ||||
| Oregon Slough Upper | ||||||
| Oregon Slough Upper | 06/05/2024 | |||||
| CM_20_OSU 05+42 to 06+45 | XYZ | Shape | ||||