Fleck 1,2,3-TCP Filter

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Understanding Area Water Data and Its Limits for Your Home

Government testing covers the City of Tucson public water system only

The EPA's sampling from 2013 to 2015 included the City of Tucson's groundwater supply serving over 730,000 people in Pima County. This data shows no detections of 1,2,3-trichloropropane (TCP) above 0.03 micrograms per liter (µg/L), or parts per billion (ppb). This municipal record does not reflect individual household plumbing conditions or private wells.

Sampling results do not imply safety or risk at every home

A zero detection in this broad survey means the water system did not measure 1,2,3-TCP above the reporting level during those dates. However, this is not a health-based violation, nor does it guarantee your home's water lacks the chlorinated solvent. Direct water testing at your residence is essential to know your actual concentration.

Granular Activated Carbon Contact Time: Why Bed Depth Is Key for 1,2,3-TCP

Longer contact with granular activated carbon (GAC) is critical for TCP treatment

1,2,3-TCP, a chlorinated solvent once used in fumigants, is difficult to remove compared to taste or odor compounds. Effective reduction depends more on the depth of the GAC bed ensuring longer water contact time rather than raw carbon volume alone.

Shallow beds may not address 1,2,3-trichloropropane despite treating other issues

Your previous equipment failure might relate to insufficient GAC contact time for this solvent, even if other water parameters were improved. A properly sized bed in a Fleck 1,2,3-TCP Filter helps optimize contact time for this specific compound.

Local Agricultural Land-Use History in Pima County and TCP Presence

Past use of soil fumigants in regional agriculture influences groundwater constituents

Historical application of fumigants containing TCP components affected many groundwater sources in Arizona. The City of Tucson system's groundwater origin is consistent with this regional background, although EPA monitoring found no detectable TCP in samples.

Changes in land use and regulatory practices impact detection patterns

Continued land monitoring and updated agricultural methods help limit new 1,2,3-trichloropropane introduction to groundwater. Understanding this history can guide expectations about the presence of TCP in residential water sources.

Fixtures and Processes Most Affected by 1,2,3-Trichloropropane

Water used for drinking and cooking is most relevant for TCP concerns

Since 1,2,3-TCP is a volatile chlorinated solvent, household taps supplying kitchen and drinking water are primary points of exposure. Treatment focus should be on point-of-entry or point-of-use filtration targeting these fixtures.

Appliances relying heavily on water purity may show earlier symptoms

Equipment such as coffee makers, ice machines, and water dispensers may be sensitive to chlorinated solvents. A failed or compromised filter affecting TCP removal can diminish water quality in these applications.

Changes at the Tap After Using the Documented TCP Filtration Technology

Fleck 1,2,3-TCP Filter ships ready to configure for household use

Once in place, this filtration technology uses a granular activated carbon bed optimized for sustained contact time. This approach improves the reduction of 1,2,3-trichloropropane, enhancing water quality at kitchen and drinking water taps.

Treated water shows fewer solvent traces but requires regular monitoring

Because TCP is not commonly detected in Tucson's municipal supply, the filter primarily adds a layer of protection, especially where private well water or older equipment is involved. Ongoing water testing remains important to verify treatment effectiveness.

Recognizing Household Water Symptoms Related to 1,2,3-TCP

Symptoms linked to chlorinated solvents are often subtle or non-specific

1,2,3-trichloropropane does not usually cause immediately noticeable changes in water taste or odor at low concentrations. Equipment failures may be the first sign your system is no longer managing contaminants effectively.

Other common water issues may mask TCP presence

Cloudiness, staining, or strange smells more often relate to aesthetic water quality factors unrelated to TCP. Testing specific for chlorinated solvents is needed to distinguish these problems.

Summary and Next Steps

The 2013-2015 EPA unregulated contaminant monitoring for the City of Tucson water system serving Pima County residents showed no detectable 1,2,3-trichloropropane above 0.03 micrograms per liter. This broad data set does not replace direct water testing on your property to identify the chlorinated solvent concentration affecting your household.

The Fleck 1,2,3-TCP Filter provides a documented technology using granular activated carbon with appropriate bed depth to address this compound when necessary. For more detailed information on regional water quality and the public system's monitoring record, please consult the U.S. EPA's Safe Drinking Water Information System (SDWIS) public database.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2013-11-20. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR3 monitoring (2013-2015) for City of Tucson (AZ0410112), AZ: 54 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level