Well Water in Wyandot County: What to Test and Why

Groundwater in Wyandot County contains arsenic, iron, manganese, and sulfate at levels that exceed EPA health standards. These contaminant levels are serious and require your attention.

The bedrock beneath this county is made of ancient rock layers that naturally contain iron, manganese, and arsenic locked inside the minerals. As groundwater moves slowly through tiny cracks in this rock over many years, it dissolves these metals and releases them into the water. Sulfate comes from minerals baked into the same rock layers and builds up through the same slow dissolving process.

Groundwater in this county is very hard, driven by elevated calcium and magnesium from the limestone bedrock. The slow contact between water and these rock layers over time causes these minerals to concentrate in the groundwater. These hard-water characteristics are widespread across wells throughout the county.

Arsenic, iron, manganese, and sulfate exceed EPA health standards in wells across Wyandot County. Arsenic is the most serious concern--long-term exposure can increase the risk of cancer and damage to organs like the kidneys and nervous system. Manganese at elevated levels can harm brain development and function. Iron and manganese also pose health risks when consumed over time, though they are less immediately dangerous than arsenic.

Wells in this county have extremely hard water, which will leave thick white, crusty buildup on fixtures, pipes, and appliances. Iron causes rust-colored or orange staining on sinks, toilets, and laundry. Sulfate can give water a bitter or unpleasant taste and odor. The extreme hardness can shorten the lifespan of water heaters, dishwashers, and other appliances.

Testing your well is the only way to know what is actually in your water, since every well is different and yours may have higher or lower levels than what is common in the county. We recommend a comprehensive metals and minerals panel, which typically costs $200-400. A water softener paired with an arsenic-removal system can address both the hardness and the serious contaminant concerns in this area.