Well Water in Comanche County: What to Test and Why

Moderate Risk
Testing Recommended 499 well tests on record
Top Concerns in This County
Nitrate

Why This Happens Here

Groundwater in Comanche County contains nitrate, iron, and manganese. These contaminants exceed EPA health standards and warrant attention from well owners.

Nitrate typically enters groundwater from fertilizers and septic systems in areas where farming and rural development are common. Iron and manganese occur naturally when water moves through the rocks beneath the county, dissolving these minerals as it flows underground.

Groundwater in this county is characterized by elevated iron and manganese from the local rock. As water seeps down through the subsurface, it picks up these metals, which are naturally present in the stone. Wells across the county commonly show these characteristics.

What This Means for You

Comanche County wells commonly have three contaminants that exceed EPA health standards: iron, manganese, and nitrate. Manganese can affect the nervous system, especially in children and infants. Nitrate is particularly concerning for babies under six months old and can cause serious illness. Iron itself is not a direct health threat, but the other two contaminants present real risks that deserve attention.

County well water with elevated iron and manganese causes staining and discoloration. You may see rust-colored or dark brown stains on sinks, toilets, and laundry. These minerals can create buildup inside pipes and reduce water flow over time. The water may have a metallic taste or unpleasant odor that affects drinking and cooking.

We recommend testing your well to find out what is actually in your water, since every well is different and yours may have higher or lower levels than what is common here. A comprehensive metals and minerals panel costs between two hundred and four hundred dollars and will tell you exactly what you are dealing with. Testing is the only way to know if treatment is needed and what kind would work best for your situation. Iron filters or water softeners can address some of 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 ⓘ
Nitrate 31 19%
Moderate High
Iron 145 6%
High Moderate
Manganese 131 5%
High Moderate
Elevated concentration, not % above limit
Arsenic 119 0%
High Low
Fluoride 492 0%
High Low
HFPO-DA (GenX) ⓘ municipal 3 0%
Low Safe ⓘ
Lead 119 0%
High Low
PFHxS ⓘ municipal 3 0%
Low Safe ⓘ
PFNA ⓘ municipal 3 0%
Low Safe ⓘ
PFOA ⓘ municipal 3 0%
Low Safe ⓘ
PFOS ⓘ municipal 3 0%
Low Safe ⓘ
Uranium 35 0%
Moderate Low
PFBS ⓘ municipal 3 —
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.
* 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.

Order a Tap Score Test →

Population Health Context

Population-level CDC data. Not individual risk prediction.

8.2%
Cancer Prevalence
(state avg: 6.1%)

Water News for Comanche County

Loading recent water news…

Local Resources

Nearby Counties

Compare with neighbors →