If an in-well submersible, can be $300 range for simplest case IF mounted on flexible plastic pipe that can be easily pulled from shallow (less than about 20-30') well - up to $1000 plus for deep wells, which yours obviously is not if 20/40 psi.
For complete information about Altavista, see the town's website. Community Description. Altavista, with a population of approximately 3,400, is located in the southwestern part of Campbell County, approximately 20 miles south of Lynchburg on U.S. Highway 29.
Mathews County, Virginia (VA) County population in 2014: 8,836 (all rural); it was 9,207 in 2000. County owner-occupied with a mortgage or a loan houses and condos in 2010: 1,781. County owner-occupied free and clear houses and condos in 2010: 1,459. County owner-occupied houses and condos in 2000: 3,329.