The average cost of a well pressure tank is $200 to $800 for the unit itself, assuming you outfit your well system with a 20- to 80-gallon tank. Smaller tanks may cost as little as $50 to $100 ...

Most rainwater tank pumps are perfectly capable of providing good water pressure for a hose or garden watering system. If you want one to pump water to your household supply, for the laundry or toilet ...