Well Water in Decatur County: What to Test and Why

Groundwater in Decatur County contains manganese, iron, nitrate, and chloride at levels that exceed EPA health standards. These contaminants are present at concentrations high enough that well owners should take action to address them.

These contaminants come from both natural and human sources. Manganese and iron occur naturally in the local rock and soil, dissolving into groundwater as it moves underground. Nitrate and chloride typically enter groundwater from fertilizers, septic systems, and road salt applied on the land surface, then seep down to reach the water below.

Groundwater in this county is moderately hard, driven primarily by calcium and magnesium from the rock layers beneath. The moderate hardness reflects the composition of the local rock and soil through which water flows. Most wells in Decatur County show this moderately hard character, though the level varies from well to well.

Wells in Decatur County show concerning levels of chloride, iron, manganese, and nitrate that exceed EPA health standards. Chloride can raise blood pressure in people who are sensitive to salt. Iron and manganese affect your nervous system and can cause problems with thinking and movement, especially in children and babies. Nitrate is dangerous for infants and can reduce how much oxygen their blood carries.

The moderately hard water in county wells will leave spots on your dishes and shower doors. You'll probably see rust stains from iron buildup on sinks and laundry. Hard water also creates scale inside pipes and water heaters, which can shorten how long your appliances last. Your water may have a metallic taste or smell.

We recommend getting your well tested with a comprehensive panel that checks for metals, minerals, and bacteria since multiple contaminants are a concern here. Every well is different, and your water could have higher or lower levels than what is common in the county. Testing is the only way to know exactly what is in your water so you can treat it properly. A comprehensive panel usually costs between two hundred and four hundred dollars. Water softeners can address hardness, while filters and aeration systems help remove iron and manganese.