The second (or third) step is to attach a pump to the garden hose and then submerge it into your swimming pool and begin to pump out water. Keep in mind that drawing water out of the well lowers the level of the water in it. There are tons of options out there for pumping water, many requiring the use of electricity.
If you are looking for a pump that requires zero electricity than the hydraulic ram pump may be your best choice when you are needing to draw out a lot of water for different uses. Spit out the water and place the hose on a ground. How to drain a pool with garden hose and pump by yourself The water siphon method requires an absolutely clear passage for the water because there is no force except gravity drawing the water out (such as pump). Wetdry vacuums work well, but they draw the water into. As you do this and get the water down to about inches or so, you may use another hose to vacuum out dirt.
If the water level is now higher then you mark it is not time to drain the basement yet. Top Five Ways To Pump Out A Flooded Basement Wet Head Media When you begin to pump out the water you should only pump out one foot of water and then using a piece of chalk or a marker, you should mark the wall and come back the next day and see if the water level went up.