Well Water in Dade County: What to Test and Why

Iron, manganese, and arsenic are present in Dade County groundwater. Iron and manganese levels exceed EPA health standards and are concerning.

The Valley and Ridge rock formations beneath this county contain iron and manganese minerals that dissolve into groundwater as water moves through the rock layers. Arsenic also occurs naturally in these rock formations. Low oxygen levels in the groundwater allow these metals to stay dissolved and move into well water.

Groundwater in this county is notably high in iron, which is the dominant mineral character. The soft water and low hardness mean calcium and magnesium are not the issue here--iron is what defines the water chemistry in this area. Many wells across the county show elevated iron levels.

Wells in Dade County commonly have iron and manganese at levels that exceed EPA health standards. Iron can cause problems with your blood and organs if you drink water with too much of it over a long time. Manganese can affect your brain and nervous system, especially in children. Your well water may also contain arsenic, another contaminant that poses health risks with long-term exposure.

Iron in county wells leaves orange or brown stains on sinks, tubs, and laundry. It also causes a metallic taste in drinking water and can stain clothes and fixtures. The water here is soft, so you won't have the scale buildup that hard water creates, but the iron itself creates visible discoloration that affects how your home looks and functions.

We recommend having your well tested with a comprehensive panel that checks for metals and minerals. Every well is different, and your well 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. An iron and manganese removal system can address these specific problems in your water.