Myth: Existing water equipment should handle all 1,2,3-TCP challenges without issue
Many households find their current water treatment equipment functioning but struggling to keep pace with chlorinated solvent concerns like 1,2,3-trichloropropane (TCP). In Hempstead County's publicly monitored water system, no 1,2,3-TCP was detected above the federal reporting level of 0.03 micrograms per liter (µg/L, or parts per billion) during 2013-2015 testing. However, these government data reflect regional water system results, not individual household water quality, so equipment performance can vary by home.
Myth: Depth of granular activated carbon beds affects only taste, not TCP treatment
Contrary to common belief, the bed depth of granular activated carbon is critical for capturing chlorinated solvents such as 1,2,3-TCP. Longer contact time enables more effective interaction between water and carbon media, increasing adsorption of TCP molecules. Since TCP is relatively more persistent in water than typical taste-affecting compounds, deeper carbon beds improve the capacity to address this contaminant even when taste issues are minimal.
Myth: Reporting levels for TCP are similar to metals and reflect the same health concerns
The federal reporting level for 1,2,3-trichloropropane is set at 0.03 µg/L, far lower than many metals commonly monitored in water. This lower threshold is due to TCP's unique chemical profile and potential health effects that differ fundamentally from metals. Absence of detections above this reporting level in Hempstead’s water system means that TCP was not measurable at or above this sensitive benchmark during federal monitoring but does not establish safety or risk for any individual home.
Myth: Secondary aesthetic standards for water contaminants equate to health-based limits
Secondary standards govern factors like taste, odor, and staining rather than health. While 1,2,3-trichloropropane itself lacks a federal maximum contaminant level (MCL), related aesthetic thresholds for other constituents differ conceptually and are only part of water quality evaluation. For TCP, the focus remains on health-related benchmarks and specific testing rather than aesthetic standards.
Myth: Regional water data can be directly compared between neighboring counties to determine home risk
Water quality records reflect the particular public water system's source, treatment, and distribution characteristics. Hempstead County’s surface water-based system reports no TCP detections above the sensitive federal reporting limit. Neighboring counties may have different water sources, land use histories, or monitoring results. Comparing data across counties can be informative for general context but does not define any individual home's water condition.
Myth: Pentair’s 1,2,3-TCP Filter requires complex or frequent maintenance beyond household capacity
The documented Pentair system designed for 1,2,3-trichloropropane treatment ships ready to configure for residential water use. Its maintenance rhythm is manageable, relying primarily on scheduled media replacement or rejuvenation based on usage and water quality trends rather than frequent intervention. Understanding manufacturer recommendations ensures consistent performance without overburdening the homeowner.
Myth: You can decide on water treatment without testing your own water first
Area data indicates what the local public system has experienced but does not specify conditions in your well or tap water. Before pursuing additional water treatment options for 1,2,3-TCP or related chlorinated solvents, obtain certified laboratory testing analyzing for TCP levels specific to your household water. This step is essential to understand actual exposure and treatment needs.
What Not to Conclude From Hempstead County Water Data
Do not interpret the absence of 1,2,3-trichloropropane detections above the reporting limit in Hempstead’s public water system as a guarantee that your home’s water is free from this chlorinated solvent. Conversely, a detection below or near the reporting level does not indicate contamination or safety concerns. Testing your water individually and considering targeted solutions like the Pentair 1,2,3-TCP Filter can help households address treatment endurance when existing equipment faces challenges.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2015-12-07. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Hope Water Light Comm. (AR0000230), AR: 8 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level