Well Water in Monroe County: What to Test and Why

Groundwater in Monroe County contains chloride, arsenic, and bacteria that well owners should know about. Chloride is the main concern here, as it exceeds the EPA health standard, while arsenic and bacteria are also present at levels that warrant attention.

Chloride enters groundwater mainly from road salt applied during winter months, which seeps down through soil and into the water table. Arsenic and bacteria like E. coli come from natural minerals in the deep rock layers and from surface water that penetrates into shallow wells, particularly after heavy rain or snow melt.

Groundwater in this county is moderately hard, driven by calcium and magnesium that dissolve slowly as water passes through the limestone and sandstone below. These minerals concentrate in the groundwater because water moves gradually through the rock, giving it time to pick up dissolved minerals. Moderate hardness is common across wells throughout Monroe County.

Chloride is showing up in wells across Monroe County at levels that exceed EPA health standards. Chloride at elevated levels can affect people's kidneys and blood pressure over time, particularly for those with certain health conditions. E. coli bacteria have also been found in some county wells, which can cause serious illness. Arsenic appears in groundwater here as well, and long-term exposure to arsenic raises the risk of cancer and other health problems.

The county's water is moderately hard, which means you might see some white or chalky buildup on fixtures and inside pipes. Hard water can also make soap less effective and leave spots on dishes and glassware. Over many years, very hard water can shorten the lifespan of water heaters and dishwashers. The sodium and sulfate levels in county wells remain low, so those are not a concern for most families here.

We recommend testing your well to find out exactly what is in your water, since every well is different and your well may have higher or lower levels than what is common in the county. Testing is the only way to know what needs to be treated. A comprehensive metals and minerals panel typically costs between two hundred and four hundred dollars and can check for all these concerns. Iron filters or water softeners can help address the hardness and other mineral issues once you know what you're dealing with.