Well Water in Amherst County: What to Test and Why

Moderate Risk
Testing Recommended 16101 samples analyzed
Top Concerns in This County
Manganese Iron

Why This Happens Here

Groundwater in Amherst County contains manganese, iron, and arsenic. Iron and manganese are found at moderate levels that exceed EPA health standards, so well owners should have their water tested and consider treatment options.

These metals come from the crystalline rock that makes up the bedrock here. As water moves slowly through cracks and layers in this rock, it dissolves iron and manganese naturally present in the minerals. Arsenic also occurs in trace amounts in the same bedrock geology.

Groundwater in this county is soft, with moderate iron as the main mineral that stands out. Iron concentrates in the water because it leaches from the crystalline rock as water passes through it over time. This moderate iron character is common across wells in the county, though individual wells will vary.

What This Means for You

Wells in Amherst County commonly contain elevated levels of iron and manganese above EPA health standards. Iron and manganese are metals that can build up in your body over time. Exposure to high levels of manganese is especially concerning for children and pregnant women, as it can affect brain development and nervous system function. Iron at elevated levels can also cause problems with how your body absorbs other important nutrients.

The moderate iron levels found in county wells often cause visible staining on laundry, dishes, and bathroom fixtures with a reddish or brownish color. You may notice a metallic taste in your water or discoloration when water sits in a glass. These aesthetic issues can be frustrating for daily life, even though the water quality is soft, which is actually good news for your appliances and plumbing.

We recommend testing your well water to find out what is actually present in your specific home. Every well is different, and your water could have higher or lower levels than what is common across the county. A comprehensive metals and minerals panel typically costs between $200 and $400 and is the only way to know exactly what treatment your well needs. Iron filters or water softeners designed for iron removal can help address these concerns.

Not sure if your well is affected? Get certified results in 5–7 days.

Test Your Well Water with Tap Score →

Contaminant Detection Data

Contaminant Samples % Above MCL Distribution Confidence Risk
Manganese 37 36% 43% · 22% · 35% Moderate High
Iron 27 19% 74% · 7% · 18% Moderate High
Lead 9 0% 100% · 0% · 0% Low Low
HFPO-DA (GenX) ⓘ municipal 4 0% 100% · 0% · 0% Low Safe
PFOA ⓘ municipal 4 0% 100% · 0% · 0% Low Safe
PFOS ⓘ municipal 4 0% 100% · 0% · 0% Low Safe
PFNA ⓘ municipal 4 0% 100% · 0% · 0% Low Safe
PFHxS ⓘ municipal 4 0% 100% · 0% · 0% Low Safe
Chloride 49 0% 98% · 2% · 0% Moderate Low
Sulfate 41 0% 100% · 0% · 0% Moderate Low
Fluoride 4 0% 100% · 0% · 0% Low Low
Arsenic 16 0% 100% · 0% · 0% Moderate Low
Hardness 54 Moderate Low
pH 20 Moderate Low
Nitrate 1 0% 100% · 0% · 0% Low Safe
Nitrite 1 0% 100% · 0% · 0% Low Safe
E. coli 1 0% 100% · 0% · 0% Low Safe
Fecal Coliform 1 0% 100% · 0% · 0% Low Safe
Uranium 1 0% 100% · 0% · 0% Low Safe
Sodium 45 Moderate Low
PFBS ⓘ municipal 4 100% · 0% · 0% Low Safe

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.

Data shows potential risk — a certified test confirms whether your water is affected.

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