Well Water in Tuscola County: What to Test and Why

Your groundwater comes from the Marshall aquifer, a layer of sandstone that sits deep underground. This sandstone is tightly packed with small spaces that hold water. The same rock layer extends under several neighboring counties in this part of Michigan.

The water here stays clean because a thick layer of clay soil sits on top of the sandstone. This clay acts like a shield that blocks contamination from the surface from reaching your water below. Rainwater has a hard time pushing through this protective layer, so pollutants like road salt and farm chemicals do not easily seep down to your well.

Your water is hard, which means it has minerals dissolved in the sandstone as water slowly moves through it. Hard water leaves white crusty buildup on faucets and inside pipes. A water softener can solve this problem and make your water easier to use for cleaning and washing.

Arsenic in this area warrants testing. County water data shows arsenic is found at levels of concern in wells across Tuscola County. The EPA sets strict limits for arsenic because it is a serious health threat. Your well needs to be tested to find out what you're dealing with.

Long-term exposure to arsenic increases the risk of cancer, heart disease, and organ damage. Children are especially vulnerable to arsenic's harmful effects on brain development. Without mineral data from your well, we cannot say whether you have staining, scaling, or taste problems, but arsenic is the main health concern here.

Get your well tested by a state-certified lab right away. A basic health screen costs fifty to one hundred dollars and checks for bacteria and nitrate. A comprehensive panel that includes arsenic and other metals runs two hundred to four hundred dollars and tells you exactly what you're drinking. A reverse osmosis system installed at your kitchen sink can remove arsenic from your drinking water.