Trust me on this. I'm a double major: Business and Environmental Science and my dream is to work with the EPA to stop human health hazards such as this. PLEASE PLEASE PLEASE get your water professionally checked for your and your family's safety.
There are high concentrations of heavy metals such as Mercury, Arsenic, Lead, and other toxic and deadly heaqvy metals and substances in coal ash. It's also radiactive. More so than Nuclear waste. I'm not kidding. If there are a lot of people in your area with cancers or diseases that are normally considered rare in most other parts of the country then the water system in your area is contaminated and it is extremely dangerous.
You live just east of West Virginia. Due to the way wind moves in the Northern hemisphere, all of the soot and ash from coal mining and coal-fired power plants in West Virginia is most likely ending up in your well.
Are you allowed to fish in your streams and lakes in the area? If not it's probably due to pollutioin and diseased, cancerous (as in HUGE tumors), and mutated/deformed fish.
If you are drinking from your well please get the water checked. There have been lost of cases in Maryland around where you live and in West Virginia of coal ash contaminating wells and the aquifers.