The selected location is:

The elevation is 15 m ( 49 ft )
The gradient is: 0.0 percent
There is no aspect direction.
The local roughness is: 0.0 or flat
The location as decimal degrees (X,Y;Z) = -81.0909, 28.6308; 15 m

The state and county are Florida: Seminole County 12117
The HUC is Upper St. Johns 03080101; Place point in HUC
The Omernik ecoregion is Southern Central Plain (more typical) 75
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Nearby named places (in order by distance)

1. Silcox Branch mouth; Florida: Seminole Co. -81.0909, 28.6309 at a distance of 8 m
2. Jackson Creek head; -81.0787, 28.6359 at a distance of 1319 m
3. Mills Creek head; -81.1076, 28.6336 at a distance of 1661 m
4. Chuluota Cemetery; Florida: Seminole Co. -81.1095, 28.6281 at a distance of 1843 m
5. Mill Lake; Florida: Seminole Co. -81.1137, 28.6353, ( 42 ft ) at a distance of 2283 m
6. Mills Lake; Florida: Seminole Co. -81.1137, 28.6356, ( 42 ft ) at a distance of 2290 m
7. Silcox Branch head; -81.1065, 28.6134 at a distance of 2460 m
8. Gore, Lake; Florida: Seminole Co. -81.1042, 28.6509, ( 41 ft ) at a distance of 2577 m
9. WOFL-TV (Orlando); Florida: Orange Co. -81.0867, 28.6050 at a distance of 2891 m
10. WOMX-FM (Orlando); Florida: Orange Co. -81.0867, 28.6050 at a distance of 2891 m

The 7.5 minute series topographic maps for that area