Well Water in Grand Traverse County: What to Test and Why

Your groundwater sits in mixed rock layers beneath the county. These rocks are not a single type—they include old sand, gravel, and stone left behind when glaciers melted thousands of years ago. Water fills the tiny spaces between these materials and flows slowly underground.

Iron, arsenic, and lead all come from the rock itself. As groundwater sits in contact with these mineral-bearing stones, iron dissolves into the water. Arsenic releases naturally from certain rock layers as water passes through them. Lead enters through old metal pipes and fittings in wells and plumbing systems, not from the ground.

Your water carries very high amounts of sodium and sulfate—both minerals that dissolve from the surrounding rock. The iron level is also notably high. These minerals mean your water will stain sinks and fixtures orange-brown and leave white crusty buildup on pipes and faucets. Hard water shortens the life of water heaters and appliances. The high sodium is a concern for people on salt-restricted diets.

Arsenic, lead, and iron all exceed EPA health standards in Grand Traverse County wells. Arsenic is the most serious because even small amounts over time can cause real harm. Lead is also dangerous and needs attention. Iron shows up at levels that warrant testing.

Long-term exposure to arsenic raises the risk of cancer and other illnesses. Lead damages the brain and nervous system, especially in children. The high iron, sodium, and sulfate in your area's water will stain sinks and fixtures orange-brown and create white crusty buildup on pipes and faucets. Your water may taste metallic or bitter.

Get your well tested by a state-certified lab right away. A basic health screen costs fifty to one hundred dollars, but ask the lab to test for arsenic and lead specifically. A comprehensive mineral panel runs two hundred to four hundred dollars. An iron filter combined with a water softener can handle iron staining and hardness issues.