Whole House 1,2,3-TCP Reduction Water Filter System - Trichloropropane Removal
What Area Data Shows and Does Not Show About Your Water
The federal EPA's monitoring of the Lincoln County Board of Public Utilities public water system in Fayetteville provides a system-wide overview of water quality for over 23,000 residents. This monitoring detected no 1,2,3-trichloropropane—also called 1,2,3-TCP or chlorinated solvent—above the reporting level of 0.03 micrograms per litre (0.03 ppb) during surveys between 2014 and 2015. It is important to understand this information reflects measurements for the public water system as a whole, not for any particular home's water supply. Individual testing remains necessary to confirm your household's water characteristics and treatment needs.
Granular Activated Carbon Contact Time: Why Bed Depth Matters More for TCP Than for Taste
Longer contact time enhances TCP interaction with carbon beds
1,2,3-trichloropropane molecules require extended exposure to granular activated carbon to effectively reduce their presence. Unlike taste and odor compounds which often respond to shorter contact times, the chlorinated solvent’s removal depends on deeper carbon beds that allow longer filtration.
System configuration affects treatment efficiency
The volume and flow rate of water passing through carbon influence the contact time, making it vital to match the carbon bed depth to expected TCP levels. This consideration guides the choice among treatment classes for residential use.
How a Soil Fumigant Impurity from the 1950s–1980s Reached Deep Groundwater Decades Later
TCP originated as an impurity in historical soil fumigants
Originally a contaminant in soil fumigants applied between the 1950s and 1980s, 1,2,3-TCP gradually migrated downward, reaching aquifers over many years. This delayed movement explains detections in groundwater long after application ceased.
Persistence in groundwater contributes to concerns
The chemical’s stability allows it to persist in deep water sources, which can affect long-term water quality in some areas, although Fayetteville’s surface water supply is not showing elevated levels by monitoring records.
What Distinguishes This Problem From the Two Problems Most Often Confused With It
TCP is a chlorinated solvent, not a metal or common taste chemical
Unlike iron or manganese that can cause staining or taste issues, TCP is a synthetic organic compound historically linked to agriculture. It is distinct from aesthetic contaminants and requires specialized treatment targeting chlorinated solvents.
Detection does not indicate an aesthetic nuisance
While some compounds cause odor or discoloration, 1,2,3-trichloropropane’s concern relates to its chemical nature, not sensory effects. This difference shapes treatment priorities.
Why the Reporting Level for This Solvent Is Thousands of Times Lower Than for Common Metals
Regulatory reporting levels reflect toxicity and risk profiles
The measurement threshold of 0.03 micrograms per litre (ppb) for 1,2,3-TCP is set far lower than those for metals like iron or manganese, due to differing health considerations. This does not mean detected TCP is unsafe but acknowledges the need for more sensitive monitoring.
Low reporting level guides precise assessment
This precise threshold helps identify even trace amounts of this solvent, informing decisions about whether specialized filtration such as the C-Series 1,2,3-TCP Filter might be warranted.
The Agricultural Land-Use History of the Region and How It Maps Onto Detections
Historical farming practices influence current chemical findings
Fayetteville and greater Lincoln County's agricultural past included use of fumigants containing TCP impurities, correlating with some detections recorded in monitoring surveys. Surface water supply mitigation reduces direct impact but awareness remains key.
Mapping detections informs risk and treatment decisions
Understanding where and when land-use occurred helps interpret monitoring data and prepare appropriate household treatment approaches if testing indicates presence.
What 'Detected', 'Median' and 'Range' Mean in the Sampling Record on This Page
'Detected' indicates measurement above a sensitivity threshold
In the EPA's sampling, 'detected' means the instrument found TCP at or above 0.03 micrograms per litre. The absence of detections above this in Fayetteville implies very low or undetectable levels across samples.
'Median' and 'range' describe distribution in samples but do not appear here
No detections above the reporting level mean these statistical terms are not applicable for the 1,2,3-TCP data in this water system.
What You Should Not Conclude From Area Data
Area-wide monitoring data does not reveal your home's specific water quality. It does not indicate a violation or unsafe condition in Fayetteville's public water, nor does the absence of detected TCP guarantee your water is free from this solvent. To determine your household’s water characteristics and whether a treatment device suited for 1,2,3-TCP is advisable, individual testing is necessary. The C-Series 1,2,3-TCP Filter ships ready to configure for point-of-entry treatment targeting this chlorinated solvent when indicated by testing, helping residents make informed decisions about their water quality management.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2015-07-07. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Lincoln County Board of Public Utilities #1 (TN0000764), TN: 16 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level