Well Water in Union County: What to Test and Why

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

The bedrock beneath Union County naturally contains iron and manganese locked inside the rock layers. As groundwater slowly moves through cracks and sits in contact with these minerals, iron and manganese dissolve into the water. Sulfate comes from the same rock source--mineral deposits mixed throughout the stone.

Groundwater in Union County is very hard, with elevated calcium and magnesium from the limestone below, and contains high iron and sulfate. The limestone that supplies your water naturally releases these minerals as acidic groundwater passes through tiny fractures over time. These characteristics are widespread across wells throughout the county.

Wells in Union County commonly contain iron, manganese, and sulfate at levels exceeding EPA health standards. Iron and manganese can affect your nervous system and organs over time with long-term exposure. Sulfate at elevated levels can cause digestive problems, especially in infants and people with certain conditions.

The water in this county is extremely hard, which will leave thick white crusty buildup on fixtures and inside pipes. Iron causes orange-brown staining on sinks, toilets, and laundry. High sulfate can give water a bitter or rotten-egg taste and odor. This extreme hardness can shorten the lifespan of water heaters and dishwashers.

We recommend testing your well because every well is different and yours may have higher or lower levels than what is common in the county. Testing is the only way to know what is actually in your water so it can be properly treated. A comprehensive metals and minerals panel typically costs $200-400. Treatment options like water softeners combined with iron filters can address multiple concerns.