Interpreting Dallas County Water System Data Without Overreading
Public water source type indicates potential tannin presence
The City of Grand Prairie, serving Dallas County, obtains water from surface sources. Surface water can carry organic materials like tannins from soil and leaves, which sometimes color the water. However, no federal or local monitoring data specifically measures tannins in this system's records.
Zero health-based violations do not rule out tannins
The local water system has no EPA health-based violations recorded, confirming safety standards but not directly addressing tannins. Detection of tannins is not part of standard health monitoring.
How the Pentek System Treats Tannins
Filtration targeting tea-colored organic compounds
The Pentek Yellow, Tea-Colored Tannin Water Filter uses media designed to reduce tannin-associated discoloration by adsorbing organic compounds responsible for tea-like hues in water.
Capacity suited to residential flow demands
This filter system ships ready to configure into household water lines and is designed to maintain performance in homes where existing equipment fails to keep up with tannin removal needs.
Additional Considerations for Commercial Operators
Higher volumes and diverse water uses
Commercial or industrial users must evaluate tannin removal capacity against larger daily water volumes and specific application requirements, which can differ significantly from residential demands.
Regulatory compliance beyond residential scope
Businesses may face different regulations necessitating comprehensive water quality management that includes constituents beyond tannins and surface water considerations.
Understanding System Data as a Dallas Homeowner
Median lead levels relate to plumbing, not source tannins
The lead 90th percentile measurement reflects plumbing materials and age rather than tannin presence or concentration in the source water.
Surface water source suggests possible tannin presence without direct data
While tannins are not monitored, the use of surface water means the potential for tannin entry exists, justifying testing at the household level.
Relating Treatment Capacity to Household Water Use
Evaluate daily water use carefully
Knowing daily water consumption allows for matching the filter capacity appropriately to ensure sufficient tannin removal without exceeding equipment limits.
Monitor filter performance over time
As capacity nears saturation, removal efficiency declines, requiring filter replacement or additional units to maintain water quality.
Interpreting Certified Laboratory Test Results for Tannins
Specialized testing needed for tannin presence and concentration
Standard municipal tests do not include tannins; a certified lab test specifically measuring tannin concentration can provide actionable data to guide treatment choices.
Results inform treatment selection and maintenance intervals
Knowing actual tannin levels helps determine whether the Pentek system or other treatments meet household water quality goals effectively.
For Dallas households tracking daily demand and seeking dependable tannin control where existing equipment struggles, the Pentek Yellow, Tea-Colored Tannin Water Filter offers a ready-to-configure solution designed for sustained performance aligned with measured water use.
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 GRAND PRAIRIE (TX0570048), surface water supply, serving 201843 people: 0 health-based violations of 2 total; lead 90th percentile 0.0012 mg/L

