Johnson City, TX’s Home for
Water Softeners, Water Filters,
& Water Delivery

Yes, Johnson City’s tap water meets state and federal drinking water standards. That said, municipal water can still contain disinfectants, byproducts, and trace contaminants that some homeowners would rather reduce at the tap. That is why many households still choose home water treatment even when the water supply remains in compliance.

Johnson City’s water supply comes from groundwater sourced from the Ellenburger Aquifer in Blanco County. As groundwater moves through rock and soil, it can naturally pick up minerals and other substances, which may influence hardness, taste, and overall water composition.

Johnson City uses free chlorine as a disinfectant. The most recent report shows an average chlorine level of 1.14 mg/L, with levels ranging from 0.98 to 1.32 mg/L. Chlorine is effective at controlling bacteria and other microorganisms, but it can also contribute to noticeable taste and odor in drinking water for some households.

Yes. Testing detected:

These compounds form when chlorine reacts with natural organic matter in the water. While both are below EPA limits (80 ppb for TTHMs and 60 ppb for HAA5), some homeowners choose filtration to reduce exposure.

Lead was detected at a 90th percentile level of 1.6 ppb, which is below the federal action level of 15 ppb.

It’s important to note that lead typically does not come from the source water. Instead, it can enter drinking water through corrosion of household plumbing materials, fixtures, or service lines. Levels can vary from home to home depending on plumbing conditions.

While the report does not list a specific hardness level, groundwater from aquifers like the Ellenburger formation commonly contains dissolved minerals such as calcium and magnesium.

This can lead to common signs of hard water, including scale buildup on fixtures and appliances, spots on glassware, or reduced soap efficiency.

The most recent report shows naturally occurring fluoride at 0.58 ppm, which is below the EPA maximum contaminant level of 4.0 ppm. Fluoride is commonly added or naturally present in drinking water to help support dental health. Even within safe limits, some homeowners choose to filter it out depending on personal preference.

Testing detected low levels of several additional contaminants, including:

These levels were reported within current standards, but some homeowners still prefer to reduce as much as possible in the water they drink and cook with.

The most recent report doesn’t include PFAS or UCMR testing results. This does not necessarily mean PFAS are not present, only that they were not listed in this report. For homeowners seeking more control over emerging contaminants, advanced filtration solutions are often considered.

Yes. The most recent report lists two notification violations under the Lead and Copper Rule, not contaminant exceedances:

Lead Consumer Notice (LCR) Violation

Lead Service Line Notification Violation

While these violations do not indicate unsafe contaminant levels, they highlight gaps in reporting and communication, which may lead some homeowners to want greater visibility and control over their water quality.

The best way to understand your water is through a professional water test. Culligan offers customized solutions based on your home’s water, including:

A tailored approach helps target the specific conditions in your home.

You can access the most recent Johnson City Tap Water Quality Report here.