Understanding VOC Laboratory Test Reports for Residential Water
1. VOC results list detected compounds with concentration estimates or note if below reporting levels
2. Concentrations shown are measured at system level, not individual home taps
3. Health-based violations are separate and absent in Creekside Development public water records
4. Common VOCs tested include 1,1-dichloroethane, chloromethane, bromomethane, HCFC-22, Halon 1011, and 1,3-butadiene
How VOCs Enter Groundwater or Distribution Systems in This Region
1. VOCs may originate from industrial solvents, fumigants, or refrigerants
2. Movement into groundwater depends on soil permeability and contamination sources
3. Public water supplies typically monitor VOCs to track potential regional contamination
4. Absence of detections above reporting levels suggests limited VOC presence in source water
Differences Between Public-System Records and Private-Well Testing
1. Public records reflect multiple samples over time at system intake points
2. Private-well tests provide data specific to a household’s well and plumbing
3. System data cannot confirm individual home water quality but inform regional trends
4. Homeowners concerned about VOCs should obtain private well testing for precise results
Influence of Plumbing Materials and Age on VOC Presence
1. Plastic, copper, or galvanized piping materials interact differently with VOCs
2. Older plumbing may accumulate or alter VOC concentrations differently than new systems
3. VOCs detected in tap water may reflect source water or plumbing interactions
Household Symptoms That Relate to VOCs and What They Indicate
1. No specific taste or odor reliably indicates VOC presence
2. Health symptoms linked to VOCs require professional assessment beyond water testing
3. Absence of detected VOCs in public records reduces likelihood of system-wide issues
4. Some symptoms may stem from unrelated household or environmental factors
Worked Example: Interpreting Creekside Development’s VOC Monitoring Data
1. Four samples taken between January and October 2014 showed no detections above reporting levels for VOCs listed
2. Reporting levels range from 0.03 to 0.2 micrograms per liter depending on the compound
3. No federal maximum contaminant levels apply to the UCMR3 VOC compounds detected or not detected
4. Data indicate that system source water had VOC concentrations below instrumental detection thresholds during monitoring
Based on the Creekside Development public water system record from 2013-2015, no health-based violations for VOCs were recorded, and all measurement results for six monitored VOC compounds were below their respective reporting levels. This information reflects system-level data and does not substitute for private household water testing. Understanding the pathway of VOCs into the water supply, the role of plumbing materials, and typical household symptoms can help residents decide between treatment technologies. The Pentair VOCs & Industrial Chemicals Filter ships ready to configure and provides a documented solution to reduce VOCs should testing reveal levels of concern specific to a household's water. For full details and updates, the EPA's public water system records remain the authoritative source.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2014-10-15. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Creekside Development (104121120), 10: 24 results across 6 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level
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