The selected location is:

The elevation is 0 m ( 1 ft )
The gradient is: 1.2 percent
The aspect direction is: 13.1 degrees or N
The local roughness is: 1.1 or average
The location as decimal degrees (X,Y;Z) = -90.4004, 29.9727; 0 m

The state and county are Louisiana: St. Charles Parish 22089
The HUC is Lower Mississippi-New Orleans 08090100; Place point in HUC
The Omernik ecoregion is Mississippi Alluvial Plain (more typical) 73
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Nearby named places (in order by distance)

1. Hahnville Landing; Louisiana: St. Charles Parish -90.4004, 29.9727, ( 15 ft ) at a distance of 2 m
2. Holy Rosary Church; Louisiana: St. Charles Parish -90.4057, 29.9680 at a distance of 729 m
3. Hahnville Post Office; Louisiana: St. Landry Parish -90.4070, 29.9769 at a distance of 788 m
4. Hahnville; Louisiana: St. Charles Parish -90.4090, 29.9766, ( 14 ft ) at a distance of 935 m
5. New Sarpy Post Office; Louisiana: St. Charles Parish -90.3904, 29.9713 at a distance of 979 m
6. Eual J Landry Middle School; Louisiana: St. Charles Parish -90.4065, 29.9652 at a distance of 1018 m
7. Flagville; Louisiana: St. Charles Parish -90.4057, 29.9646, ( 12 ft ) at a distance of 1032 m
8. Carver School; Louisiana: St. Charles Parish -90.4126, 29.9749 at a distance of 1201 m
9. River of Life Church; Louisiana: St. Charles Parish -90.3918, 29.9808, ( 8 ft ) at a distance of 1224 m
10. Tru Vine Baptist Church; Louisiana: St. Charles Parish -90.4076, 29.9635, ( 15 ft ) at a distance of 1233 m

The 7.5 minute series topographic maps for that area