Survey data is referenced to Louisiana South State Plane Coordinates North American Datum 1983 with soundings referenced below Mean Lower Low Water in U.S. Survey Feet.
| Houma Navigation Canal | |||
| Survey title | Survey date | ||
| Sheet Name River mile | XYZ | SHP | |
| Bayou Lecarpe | |||
| GIWW Intersection - Sh. 1 | 04/13/2023 | ||
| HN_20_LEC Sta. 0+00 to 38+00 | XYZ | Shape | |
| Lecarpe and Short Cut - Sh. 2 | 04/13/2023 | ||
| HN_21_LEC Sta. 38+00 to 84+50 | XYZ | Shape | |
| Short Cut - Sh. 3 | 04/13/2023 | ||
| HN_22_LEC N/A | XYZ | Shape | |
| Houma Navigation Canal | |||
| Lower - Sh. 1 | 09/14/2024 | ||
| HN_01_LWR MM 36.5 to 35.5 | XYZ | Shape | |
| Lower - Sh. 2 | 09/14/2024 | ||
| HN_02_LWR MM 35.5 to 33.4 | XYZ | Shape | |
| Lower - Sh. 3 | 09/14/2024 | ||
| HN_03_LWR MM 33.4 to 31.0 | XYZ | Shape | |
| Lower - Sh. 4 | 09/14/2024 | ||
| HN_04_LWR MM 31.0 to 28.6 | XYZ | Shape | |
| Lower - Sh. 5 | 09/14/2024 | ||
| HN_05_LWR MM 28.6 to 26.1 | XYZ | Shape | |
| Lower - Sh. 6 | 09/14/2024 | ||
| HN_06_LWR MM 26.1 to 23.6 | XYZ | Shape | |
| Lower - Sh. 7 | 09/14/2024 | ||
| HN_07_LWR MM 23.6 to 21.3 | XYZ | Shape | |
| Lower - Sh. 8 | 09/14/2024 | ||
| HN_08_LWR MM 21.3 to 19.3 | XYZ | Shape | |
| Lower - Sh. 9 | 09/14/2024 | ||
| HN_09_LWR MM 19.3 to 17.0 | XYZ | Shape | |
| Lower - Sh. 10 | 09/14/2024 | ||
| HN_10_LWR MM 17.0 to 14.5 | XYZ | Shape | |
| Lower - Sh. 11 | 09/14/2024 | ||
| HN_11_LWR MM 14.5 to 12.2 | XYZ | Shape | |
| Bay - Sh. 12 | 09/17/2024 | ||
| HN_12_BAY MM 12.2 to10.0 | XYZ | Shape | |
| Bay - Sh. 13 | 09/17/2024 | ||
| HN_13_BAY MM 10.0 to 7.7 | XYZ | Shape | |
| Bay - Sh. 14 | 09/17/2024 | ||
| HN_14_BAY MM 7.7 to 5.3 | XYZ | Shape | |
| Bay - Sh. 15 | 09/17/2024 | ||
| HN_15_BAY MM 5.3 to 3.0 | XYZ | Shape | |
| Bay - Sh. 16 | 09/18/2024 | ||
| HN_16_BAY MM 3.0 to 0.7 | XYZ | Shape | |
| Bar - Sh. 17 | 09/18/2024 | ||
| HN_17_BAR MM 0.7 to (-1.5) | XYZ | Shape | |
| Bar - Sh. 18 | 09/18/2024 | ||
| HN_18_BAR MM (-1.5) to (-3.8) | XYZ | Shape | |
| Bar - Sh. 19 | 09/18/2024 | ||
| HN_19_BAR MM (-3.8) to (-6.0) | XYZ | Shape | |