Pentair 1,2,3-TCP Filter

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1. What Your Certified Lab Test Report for 1,2,3-TCP Shows and How to Interpret It

If you gain a certified laboratory test of your household water for 1,2,3-trichloropropane (1,2,3-TCP), the report will list the concentration in micrograms per liter (µg/L). This number represents the amount of 1,2,3-TCP identified in the water sample. It is important to know that even if 1,2,3-TCP is detected at very low levels, detection alone is not an indication of a violation or safety concern. Government monitoring of the Rochester public water system, which serves Olmsted County groundwater via 42,243 connections and over 123,000 people, found no detections above 0.03 µg/L in 14 samples during a 2014 federal survey.

2. Why Aesthetic Secondary Standards Differ from Health-Based Limits for 1,2,3-TCP

Standards that affect water appearance, taste, or odor (aesthetic secondary standards) are separate from health-based regulatory limits. For 1,2,3-TCP, there is no current federal maximum contaminant level (MCL) because it is unregulated at the national level. This means no federally enforceable health-based limit applies. The absence of an MCL does not imply the water is unsafe. Instead, it means government monitoring collected occurrence data to support future assessments. In Olmsted County’s groundwater system, no health-based violations have been recorded, demonstrating compliance with existing EPA authority.

3. What Changes to Expect at Your Tap After Using the Pentair 1,2,3-TCP Filter

When configured with the Pentair 1,2,3-TCP Filter, household water undergoes treatment designed specifically to reduce 1,2,3-TCP concentrations. Unlike untreated water, the filtered water will have lower levels of this synthetic industrial compound that can infiltrate groundwater through historical or ongoing sources. The filter technology targets and removes 1,2,3-TCP molecules, meaning water used for drinking, cooking, and bathing will have a different chemical profile. This may help address concerns about this compound’s presence, should testing reveal measurable amounts at home.

4. How to Assess Filter Capacity Relative to Your Household’s Daily Water Usage

Choosing the right size and capacity for treatment starts by estimating how much water your household uses per day. Consider all daily water draws from kitchen taps, bathroom fixtures, and appliances. The Pentair 1,2,3-TCP Filter ships ready to configure and supports a range of flow rates suitable for typical residential demand. Matching filter throughput to usage ensures treatment effectiveness without burdening household water pressure or supply. For homes with high consumption or multiple bathrooms, verifying filter capacity against consumption is essential to maintain consistent water quality.

5. Which Household Fixtures and Appliances Are Most Affected by 1,2,3-TCP and Its Treatment

Fixtures delivering water for drinking and food preparation, such as kitchen faucets and ice makers, are most directly affected by 1,2,3-TCP levels and treatment. Bathroom taps used for personal hygiene also benefit from treated water, though the compound’s impact might differ by use. Appliances like coffee makers, water dispensers, and refrigerators with water lines receive improved water quality after filtration. Showerheads and laundry connections experience treatment indirectly unless filtered water is routed specifically to these points. Deciding where to apply filtered water can depend on household priorities and budget considerations.

Conclusion: Ordering the Right Test to Know Your Household’s 1,2,3-TCP Situation

The single critical test to understand your home's 1,2,3-TCP concentration is a certified laboratory analysis of a water sample taken as close to your point of use as possible. Obtaining a detailed report with measured levels will settle questions about your specific water quality and inform your choice about using treatment. With this information, the Pentair 1,2,3-TCP Filter can be confidently applied to help reduce any detected 1,2,3-TCP in your household water.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2014-12-03. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR3 monitoring (2013-2015) for Rochester (MN1550010), MN: 14 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level