Making Your Water Quality Decision This Week
If you’re concerned about 1,2,3-trichloropropane (1,2,3-TCP) in your home’s water, the key choice is whether to proceed with water testing to know your specific household level or rely on available public water system data.
How Public-System Records Differ from Private-Well Testing in What They Establish
Public water system data for the Mescalero Apache Tribe / Inn of the Moun system in Area 06 shows two 1,2,3-TCP samples taken between June and December 2013, with no detections above the reporting level of 0.03 micrograms per liter. These results reflect water quality at the system level, not at any individual household tap or private well. They are not compliance tests but occurrence monitoring, meaning they measure if 1,2,3-TCP was detected, not whether levels violate any regulations—none exist federally for this chemical. Since no detections were found, the system shows no health-based violations on record. However, your own home water may differ, especially if served by a private source or affected by internal plumbing variables.
Maintenance Rhythm of the Documented Technology in Plain Terms
For households aiming to reduce 1,2,3-TCP, the Fleck 1,2,3-TCP Filter is designed to ship ready to configure with your plumbing setup. It operates through specialized filtration media proven effective against 1,2,3-TCP. Maintaining this equipment mainly involves periodic media replacement per manufacturer guidelines to ensure ongoing effectiveness, typically on a yearly or usage-based schedule. Routine performance checks and water retesting at appropriate intervals help confirm the filter functions correctly over time.
How Seasonal or Multi-Year Variation Shows in the Record
The two samples from 2013 represent a snapshot spanning about six months. This limited timeframe and sample quantity mean there is no broader public record of seasonal or multi-year fluctuations in 1,2,3-TCP levels for this system. Variations in groundwater or source water quality can occur due to changes in recharge, industrial activity, or other factors, but those patterns are not reflected here. Absence of detection in this period does not guarantee consistent absence now or in the future.
How Many Samples and Wells Stand Behind the Figures, and What a Small Sample Means
The Mescalero Apache Tribe / Inn of the Moun system’s data consists of only two 1,2,3-TCP results collected during the federal UCMR3 monitoring campaign. This very small number limits statistical confidence in assessing the full range or occurrence frequency of 1,2,3-TCP in the system’s water. A small sample size means the record is inconclusive about rare or intermittent occurrences and insufficient to rule out localized increases in household water.
The Household or Facility Symptoms That Do and Do Not Point to This Problem
1,2,3-TCP itself is a chemical with no taste, odor, or color at low concentrations, so typical household water quality symptoms—such as cloudiness, staining, or unusual flavors—do not indicate its presence or absence. No typical water-related health symptoms reliably point to 1,2,3-TCP exposure at levels observed in public systems. Therefore, symptom observation is not a substitute for water testing when 1,2,3-TCP is a concern.
Next Step: Testing to Understand Your Water
The single crucial test you should order is a certified laboratory analysis for 1,2,3-TCP specific to your household water sample. This test will provide a precise measurement of 1,2,3-TCP concentration at your tap, clarifying your exposure regardless of the public system’s general record. A non-detect or concentration below reporting level will confirm that 1,2,3-TCP is not present at measurable levels in your water. If detected above reporting levels, then considering a filtration solution like the Fleck 1,2,3-TCP Filter can help reduce that chemical effectively.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2013-12-03. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Mescalero Apache Tribe / Inn of the Moun (063506008), 06: 2 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level

