Yarmouth's Groundwater and Its Path to Your Tap
The Yarmouth Water Department serves nearly 39,000 residents across over 16,000 connections using groundwater sources. This deep groundwater passes through natural geologic layers before reaching household taps, carrying dissolved constituents that can include chlorinated solvents like 1,2,3-trichloropropane (TCP). Understanding this system helps clarify what measurements mean for local water quality and residential choices.
1,2,3-Trichloropropane's Resistance to Air Stripping and Treatment Implications
1,2,3-TCP is a chlorinated solvent that does not easily evaporate during air stripping processes. This characteristic means that typical aeration-based water treatment methods are ineffective at addressing 1,2,3-TCP in water supplies. Because air stripping fails to remove TCP, households need to consider alternative treatment technologies capable of targeting this compound directly.
Agricultural Land-Use in Barnstable County and Its Relation to 1,2,3-TCP Occurrence
Historical agricultural practices in Barnstable County have involved fumigants that can contribute trace amounts of 1,2,3-TCP to the groundwater. The Yarmouth Water Department's testing under the EPA's Unregulated Contaminant Monitoring Rule (UCMR3) showed no detections of 1,2,3-TCP above 0.03 micrograms per liter (0.03 parts per billion) from 2013 to 2015. This absence indicates that while the agricultural legacy exists, measurable TCP levels in the public water system are below the reporting threshold.
Plumbing Materials and Age: Factors Independent from Source Water
Water quality at the tap can differ from the source due to the plumbing materials and system age within a household. Pipes, fittings, and fixtures may interact with water constituents but do not create or increase 1,2,3-TCP presence. Understanding this distinction is important because 1,2,3-TCP originates from the source groundwater rather than household plumbing.
Changes in Tap Water Quality from Treatment with the Pentair 1,2,3-TCP Filter
The Pentair 1,2,3-TCP Filter ships ready to configure and uses specialized filtration technology to address 1,2,3-trichloropropane in household water. Once in place, this system targets TCP molecules to reduce their concentration at the tap, improving water quality based on the homeowner’s own water testing results. This technology offers a direct approach that complements the source water quality and acknowledges the non-volatility of 1,2,3-TCP.
Commercial or Industrial Questions Beyond Household Needs
Unlike residential users, commercial and industrial operators may need to consider additional 1,2,3-TCP treatment volume and flow rates, regulatory compliance requirements, and potential byproduct formation. These factors shape their equipment needs beyond the scope of typical household demand.
In summary, the Yarmouth Water Department’s public water system record shows groundwater-sourced water serving Barnstable County residents, tested with no 1,2,3-TCP above 0.03 micrograms per liter from 2013–2015. This factual record covers the system, not individual home water quality, which can only be determined by direct testing. For further details, the EPA’s SDWIS public water system record for Yarmouth Water Department is the authoritative source on this data.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2015-09-17. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Yarmouth Water Department (MA4351000), MA: 26 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level