Well Water in Wood County: What to Test and Why

Moderate Risk
Testing Recommended 402 well tests on record
Top Concerns in This County
Iron Manganese

Why This Happens Here

Groundwater in Wood County contains iron, manganese, sulfate, chloride, nitrate, and lead at levels that exceed EPA health standards. These contaminants are present at concentrations the EPA considers concerning enough to warrant attention and monitoring.

The rock layers beneath Wood County naturally contain these minerals and metals, which dissolve into groundwater as water moves through the soil and bedrock. Human activities like agriculture and old industrial sites also contribute nitrate and chloride to the water. The combination of the local geology and land use patterns brings these elements into the water supply.

Groundwater in this county is soft but contains moderate amounts of iron and sodium. These minerals come from the rock types in the Texas coastal uplands aquifer system, which naturally release iron and sodium into water as it flows underground. Most wells in Wood County show elevated iron and sodium, making these common characteristics across the area.

What This Means for You

Wells in Wood County sometimes have levels of chloride, iron, lead, manganese, nitrate, and sulfate that exceed EPA health standards. Lead can harm the brain and kidneys, especially in children. Manganese affects the nervous system at high levels. Nitrate is dangerous for babies and can cause serious illness. Iron and chloride at elevated levels create health concerns over time.

County wells show moderate iron levels that can stain your clothes, sink, and shower. You might notice a metallic taste or reddish-brown discoloration in water. The water is relatively soft in this area, so you probably won't see heavy scale buildup on faucets or inside pipes like you would in harder water counties.

We recommend testing your well water with a comprehensive panel since multiple analytes exceed standards in this county. Every well is different, and your water could have higher or lower levels than what is common here. Testing is the only way to know what is actually in your well so you can treat it properly. A comprehensive metals and minerals panel typically costs between two hundred and four hundred dollars. Treatment options like iron filters and reverse osmosis systems can address several of these concerns.

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

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Contaminant Detection Data

Contaminant Samples % Above MCL Distribution Confidence Risk
Iron 217 16%
High High
Manganese 104 12%
High Moderate
Sulfate 68 9%
Moderate Moderate
Nitrate 87 8%
Moderate Moderate
Chloride 68 3%
Moderate Low
Lead 68 1%
Moderate Low
Arsenic 72 0%
Moderate Low
Fluoride 339 0%
High Low
HFPO-DA (GenX) ⓘ municipal 99 0%
Moderate Safe
PFHxS ⓘ municipal 99 0%
Moderate Safe
PFNA ⓘ municipal 99 0%
Moderate Safe
PFOA ⓘ municipal 99 0%
Moderate Safe
PFOS ⓘ municipal 99 0%
Moderate Safe
Uranium 16 0%
Moderate Safe
Hardness 68
Moderate Low
PFBS ⓘ municipal 99
Moderate Safe
pH 67
Moderate Low
Sodium 68
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.
* Microbial contaminants (E. coli, coliform) reflect only samples from the last 10 years.

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

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Population Health Context

Population-level CDC data. Not individual risk prediction.

5.9%
Cancer Prevalence
(state avg: 6.1%)
6.4%
Heart Disease Rate
(state avg: 7.4%)

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