Understanding Lead in Harris County Water: What Local EPA Data Reveals About Household Risks

The water that supplies homes in Harris County, including the City of Pasadena, primarily comes from surface water sources managed and distributed by the local public water system. This system serves over 150,000 residents through thousands of service connections, delivering treated water to taps across the community.

What You Should Document Before Seeking Treatment Advice

Before considering any water treatment equipment, it is important to have specific information about your household water situation. Key details to record include:

• The source of your home’s water—whether municipal or a private well.
• Any recent water quality test results from a certified laboratory specific to your property, especially concerning lead.
• Information about the age and type of your household plumbing materials, as these can influence lead levels.
• The volume of water your household typically uses daily or monthly.

The Scope and Limitations of Local Sampling Data

The EPA’s public water system records for the City of Pasadena in Harris County report a lead concentration at the 90th percentile of 0.0048 mg/L based on samples collected at the end of 2024. This figure reflects the distribution system and household plumbing conditions rather than the source water itself. It represents the concentration below which 90% of sampled tap water falls, based on certain homes tested within the system.

However, these samples cover a subset of service points and do not reveal specific lead concentrations at every household. A small number of samples means individual results may vary. Testing your own water through a certified laboratory is necessary to determine the lead level in your specific home.

How Fleck Technology Works to Reduce Lead in Household Water

The Fleck Lead in Water Filter uses specialized filtration media designed to reduce dissolved lead from water passing through the system. By capturing lead particles, it lowers the amount of lead reaching your faucets. This filtration technology ships ready to configure for your household’s capacity needs, enabling you to manage lead reduction without complex procedures.

The Influence of Plumbing Material and Home Age on Lead Levels

Lead presence in water often depends on corrosion or leaching from plumbing materials rather than the water source alone. Older homes may have lead pipes, solder, or fixtures contributing to lead detected at the tap. Even with clean source water from the municipality, these materials can elevate lead levels within household water.

Understanding your plumbing system’s components and condition is critical when assessing lead risk and treatment options.

Differences Between Public System Records and Private Well Tests

The EPA’s public water system data covers municipal water supply and distribution conditions, providing an overview of lead concentrations within the public system infrastructure and sampled homes. This data does not apply to private wells, which are not subject to the same sampling or treatment regulations.

Private well owners should obtain separate testing and cannot rely on municipal system records to assess their water quality.

How Lead Differs from Other Common Water Issues

Lead is a metallic contaminant linked to plumbing corrosion and is distinct from other common water problems such as hardness or bacterial contamination. Unlike issues caused by sediment or organic matter, lead does not affect water taste or appearance at low levels but poses health concerns over time if ingested beyond certain thresholds. Public water systems monitor and control lead to meet health-based standards, which is different from managing mineral content or biological contaminants.

For households in Harris County concerned about lead, the Fleck Lead in Water Filter offers a practical solution tailored to the volume and characteristics of their water use. Purchasing this system enables targeted reduction of lead from household water, complementing knowledge gained from local EPA data and personal water testing.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2024-12-31. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA SDWIS record for CITY OF PASADENA (TX1010293), surface water supply, serving 152000 people: 0 health-based violations of 8 total; lead 90th percentile 0.0048 mg/L