Well Water in Highland County: What to Test and Why

High Risk
Testing Strongly Recommended 16827 samples analyzed
Top Concerns in This County
Manganese Iron

Why This Happens Here

Your well draws water from layered old limestone and rock deep underground. This rock has tiny cracks and spaces where water collects over many years. The same rock type sits under all the counties around Highland County.

Water moving through these old rock layers picks up metals and minerals that are locked in the stone itself. Iron and manganese dissolve out when water sits in the rock for a long time. Sulfate comes from minerals mixed into the limestone layers. There is no way to stop this because the problem starts in the rock itself.

Your water is extremely hard and loaded with minerals. You will see white crusty buildup on pipes and fixtures. Iron will stain your sinks and laundry orange or brown, and the water may taste salty or bitter from the high sulfate and sodium. A water softener plus iron and sulfate filters will help, but you need a full test first to see exactly what you are dealing with.

What This Means for You

Iron and manganese in Highland County well water exceed EPA health standards. Sulfate also exceeds EPA limits. This is a serious situation that needs attention right away. Your well water shows multiple contaminants at levels that require testing and treatment.

Long-term exposure to manganese can affect brain development and nervous system function. High iron levels will stain your sinks, toilet, and laundry orange or brown. The extreme hardness and high sulfate will leave crusty white buildup on pipes and fixtures. Your water will taste metallic and smell bad.

Get your well tested by a state-certified lab immediately—a full metals and minerals panel costs $200–400. A basic bacteria and nitrate screen runs $50–100, but given the severity here, a comprehensive panel is essential. A whole-house treatment system combining water softening with iron and manganese removal is necessary to protect your family's health.

Contaminant Detection Data

Contaminant Samples % Above MCL Distribution Confidence Risk
Manganese 53 64% 21% · 17% · 62% Moderate High
Iron 60 57% 28% · 15% · 57% Moderate High
Sulfate 43 5% 81% · 14% · 5% Moderate Moderate
Arsenic 4 0% 100% · 0% · 0% Low Low
Chloride 45 0% 91% · 9% · 0% Moderate Low
Fluoride 11 0% 100% · 0% · 0% Low Low
Nitrite 25 0% 88% · 12% · 0% Moderate Low
Hardness 20 Moderate Low
Lead 1 0% 100% · 0% · 0% Low Safe
Nitrate 1 0% 100% · 0% · 0% Low Safe
Nitrate 1 Low Safe
pH 6 Low Low
Sodium 37 Moderate Low

MCL = Maximum Contaminant Level (EPA limit for public water; used as benchmark for private wells). Distribution shows % of sampled wells in each concentration band. Methodology.

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