Hello Danny
Congratulations on your decision to go to a more green and
sustainable lifestyle. First off lets address wind mills, power and low finance up-cycling.
I stress up-cycling for two reasons... A: Keep items out of the landfill and B: Save money with a little elbow grease.
Vertical wind mills take less foot print to operate and if designed properly operate on little breeze and do even better if strong winds exist. A vertical can be built from scrap PVC pipes and Tin or Aluminum Stove pipes. When connected to a alternator from a old car or water pump they can provide a constant charge to batteries or circulate water with no sun present. When combined with
Solar the charge can be constant 24Hrs a day.
Again a water pump, Alternator and Batteries can be salvaged from various sources to get started and later as you save money from being unconnected you can improve the components.
Since your located on grass plains the water level may be high
enough to easily drill your own well however rain water en-catchment techniques as well as grey water recycling are all very good alternatives and to be honest I would implement all the alternatives to be sure you have options depending on circumstances. If you pump the water to tower you can utilize gravity to
feed your irrigation and household water. I would also encourage you to research
solar distillation to purify your drinking water. (Solar Distillation is very easy and again the parts can be easily up-cycled and gathered)
As far as water storage my personal preference is a combination of a water tower for the gravity feed and if designed right it can also be fit to solar distill your drinking water as well as a
pond storage for irrigation water storage.
The reason I suggest a pond for irrigation water is my fondness for Aquaponics. You can raise fish in the pond and pump the nutrient rich water (Fish
Poop) to your fields for added nitrogen. Aquaponics setups are normally above ground (Grow Beds) without soil since the plants claim the nutrients and cleanse the water to be reused in the fish tanks. However no matter if you grow in earth, a hot house or above ground grow beds the added nutrients only help to grow organically rather than add fertilizers.
All of these ideas and many "Do It Yourself" videos are on my face book page free if you would like more information.
https://www.facebook.com/pages/Thinking-Outside-The-Box/330603263682894?ref=hl
Good luck... I hope I gave you a few ideas
Mark