Well Water in Pittsylvania County: What to Test and Why

High Risk
Testing Strongly Recommended 19532 samples analyzed
Top Concerns in This County
Iron Manganese Radon

Why This Happens Here

Groundwater in Pittsylvania County contains arsenic, manganese, radon, iron, and sulfate at levels that exceed EPA health standards and require attention. These contaminants are present at concentrations serious enough that well owners should test their water and consider treatment.

The rock beneath this county is an Early Mesozoic basin formation that naturally releases these metals and radioactive elements into groundwater over time. Arsenic, manganese, and iron dissolve from the rock itself as water moves through it, while radon comes from radioactive minerals in the stone and seeps into water as it flows underground.

Groundwater in this county is soft but elevated in iron, which is the primary mineral that shapes its character. Iron enters the water from the rock layers below and is common enough across county wells that many well owners will find it present in their supply.

What This Means for You

Wells in Pittsylvania County commonly exceed EPA health standards for arsenic, manganese, and radon. Arsenic can harm your kidneys and increase cancer risk over time. Manganese affects the brain and nervous system, especially in children. Radon is a radioactive gas that enters through cracks in rock and can cause lung cancer if you breathe it in over many years.

Iron levels in county wells create staining on fixtures, laundry, and dishes. You may notice a reddish or brownish tint to your water or a metallic taste. The good news is that wells here are soft, so you won't have scale buildup or shortened appliance lifespans like in harder-water areas.

Your well is unique and may have higher or lower contamination than the county average. We recommend a comprehensive water test to find out exactly what is in your water so you can treat it properly. Testing for metals, minerals, and radon typically costs $200 to $400. Treatment options like carbon filters, aeration systems, or radon mitigation can address these specific problems once you know your levels.

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
Iron 7 50% 29% · 29% · 43% Low High
Manganese 10 44% 40% · 20% · 40% Low High
Radon 8 33% 75% · 0% · 25% Low High
Arsenic 34 6% 91% · 3% · 6% Moderate Moderate
Sulfate 64 5% 94% · 2% · 5% Moderate Moderate
Elevated concentration, not % above limit
Uranium 2 0% 100% · 0% · 0% Low Low
Lead 12 0% 100% · 0% · 0% Low Low
PFHxS ⓘ municipal 4 0% 100% · 0% · 0% Low Safe
PFNA ⓘ 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
HFPO-DA (GenX) ⓘ municipal 4 0% 100% · 0% · 0% Low Safe
Chloride 47 0% 100% · 0% · 0% Moderate Low
Fluoride 2 0% 100% · 0% · 0% Low Low
Chloride 47 0% 100% · 0% · 0% Moderate Low
Fluoride 2 0% 100% · 0% · 0% Low Low
Hardness 37 Moderate Low
E. coli 1 0% 100% · 0% · 0% Low Safe
Total Coliform 1 0% 100% · 0% · 0% Low Safe
Nitrite 1 0% 100% · 0% · 0% Low Safe
Nitrate 1 0% 100% · 0% · 0% Low Safe
pH 18 Moderate Low
Sodium 55 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.

Order a Tap Score Test →

Population Health Context

Population-level CDC data. Not individual risk prediction.

8.4%
Cancer Prevalence
(state avg: 6.7%)
4.0%
Kidney Disease Rate
(state avg: 3.1%)

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