How the C-Series System Manages Perchlorate in Household Water
Perchlorate removal through adsorption technology
The C-Series Perchlorate Filter uses a specialized adsorption process designed to reduce perchlorate levels in residential water. By passing water through its filter media, it captures perchlorate ions, helping lower their concentration at the tap.
Designed for household-scale water volumes
This technology is configured to handle typical residential water usage, providing continuous treatment for household needs without requiring large-scale infrastructure.
Ships ready to configure for immediate use
The C-Series system arrives prepared for connection and operation, facilitating timely deployment in your home water supply setup.
Understanding Certified Laboratory Test Reports for Perchlorate
Report includes perchlorate concentration in micrograms per liter (µg/L)
Laboratory results specify perchlorate amounts detected, often with a reporting limit such as 4.0 µg/L. Values below this threshold indicate perchlorate was not detected.
Detection versus regulation
Detecting perchlorate does not equate to exceeding any federal maximum contaminant level (MCL), as no MCL currently exists for perchlorate nationally.
Interpreting non-detect results
A non-detect means the test did not find perchlorate above the lab’s reporting level; it does not confirm absence but indicates a concentration below that level.
Example: Reading Falmouth Water Department’s Perchlorate Data
28 samples from 2001 to 2003 reported zero detections
Sampling by the EPA’s Unregulated Contaminant Monitoring Rule (UCMR) for the Falmouth Water Department found no perchlorate above 4.0 µg/L in any tested water sample, reflecting the system’s surface water source quality.
Health-based violations unrelated to perchlorate
While the system has recorded health-based violations, perchlorate was not among them, so perchlorate concerns are distinct from other water quality issues in the region.
Comparing Barnstable’s Perchlorate Data with Neighboring Counties
Testing results vary between water systems and regions
Neighboring counties may have different perchlorate test outcomes due to source water, treatment, and monitoring practices; avoid assuming identical conditions across counties.
Use official public water system data for accurate comparison
Rely on federally reported monitoring data rather than anecdotal or single-sample test results when comparing perchlorate presence across nearby communities.
Preparing for Treatment Advice: Critical Information to Record
Document recent certified laboratory perchlorate test results
Obtain and note test results specifying perchlorate concentration with detection limits to inform treatment needs accurately.
Record water source type and household connection details
Identify whether your home receives municipal surface water or uses a private well, as treatment recommendations differ accordingly.
Note any other water quality concerns or system notices
Include information on other water quality parameters or public water system advisories to share with treatment providers.
Difference Between Public Water System Records and Private Well Testing
Public system records show aggregate monitoring, not individual home water quality
The documented perchlorate results represent measurements from the public water supply as a whole, not specific household taps.
Private well testing is essential for personalized water assessment
To assess perchlorate levels in your own water source accurately, obtain a certified laboratory test on your household well water.
Public records give context but not definitive individual water conditions
Use public system data as a general indicator of regional water quality trends but do not substitute it for personal testing when considering treatment options.
What Not to Conclude from Barnstable County Perchlorate Data
No perchlorate detected above reporting levels does not guarantee zero presence
While public system monitoring found no perchlorate above 4.0 µg/L, this does not mean perchlorate is absent in every household water supply.
Absence of federal standards means no legal limits for perchlorate yet
Without federal MCLs, detections are measured values rather than regulatory exceedances or mandates for treatment.
Public system violations in other parameters do not imply perchlorate problems
Existing health-based violations for other contaminants should not be interpreted as evidence of perchlorate-related concerns without separate test confirmation.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2003-06-02. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR1 monitoring (2001-2005) for FALMOUTH WATER DEPT (MA4096000), MA: 28 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level