Well basically "the house" is a mobile home. The water heater is located in the corner of the mobile home, accessible only by an access door on the outside of the mobile home at the rear. Well the back of the place sits on a slope that goes down into a creek a few feet behind the mobile home (not sure who planed the layout of the park), so you basically have a downslope of around 30 to 45 degree starting right before area of the water heater, so basically my head would be around the bottom of the access door. So when opening if I reach up my hands would only touch the lower-middle of the water heater.
This is a picture of the back earlier last month when it got to 60F and the snow melted causing flooding. The access panel to the water heater is shortly after the AC unit there.
Course now imagine the creek being a lil lower now, and the slope right there (which you can't see due to all the water) covered in 2 to 3 feet of snow.