If your existing water treatment equipment has failed and perchlorate is a concern in Hampton, Rockingham County, understanding what local data reveals—and what it does not—is crucial for deciding your water testing and treatment path forward.
If you rely on the public water system, know what the system’s perchlorate record shows and doesn’t show
The Aquarion Water Company of New Hampshire supplies groundwater-sourced water to about 34,000 residents through 8,644 connections in Hampton. Between 2002 and 2005, federal monitoring measured perchlorate in the system 18 times without detecting levels above 4.0 micrograms per liter (µg/L), the reporting threshold for that survey. Importantly, this public water system has no record of any EPA health-based violations related to perchlorate or other contaminants.
However, the public water system's monitoring results reflect the average or general condition of its groundwater sources and treatment at a system-wide level. They do not provide specific information about individual household taps or the internal plumbing environment after the water leaves the utility. Variations can occur at the property level due to plumbing materials, residence-specific conditions, or groundwater well differences for private wells.
If your household is larger, a second home, or used seasonally, expect different water use demands and treatment needs
Larger households or residences used intermittently—such as seasonal homes—may put different demands on water treatment capacity. Treatment equipment that failed before might have been sized for lighter or more consistent use. Increased peak water consumption or periods of stagnation can influence how well your treatment responds to any perchlorate present or other water quality challenges.
Adjusting your water treatment approach requires considering household occupancy patterns and volume of daily water use. A treatment system or filter must be capable of handling the full water demand while effectively addressing perchlorate to ensure consistent water quality.
If your water source differs by sample depth, well depth, or type, your test results and treatment needs may differ
The Aquarion public water system’s groundwater sources are monitored at certain depths and locations. If you use a private well, your water quality may vary from the public system’s measurements depending on your well’s depth and construction. Deeper wells might intersect different groundwater layers with varying contaminant profiles, while shallow wells may be more susceptible to surface influences.
Testing your own water supply directly is essential to determine the specific perchlorate concentration and other water quality parameters relevant to your household. This testing clarifies treatment requirements beyond what regional public system data can indicate.
If your property has commercial or industrial operations, additional questions and regulations come into play
Unlike typical residential households, commercial or industrial users face regulatory and operational water treatment challenges that include compliance with specific discharge limits and continuous quality monitoring. Such properties often require treatment solutions designed for higher volume or specialized water use.
Business and industrial water users should consult detailed water quality data and test their water according to their operational needs and regulatory guidelines. The water treatment options may differ significantly from those for residential properties.
If you want to interpret the regional perchlorate record as a homeowner, here is a worked example
The 18 perchlorate measurements taken from the Aquarion Water Company’s system during the 2002–2005 monitoring period showed no detections above 4.0 µg/L, the level at which results are reported. Because no federal maximum contaminant level (MCL) exists for perchlorate, these findings do not represent a violation or unsafe water but simply indicate that perchlorate was not detected above the threshold during that timeframe in these system-wide samples.
For your household, this means that while local public system data indicate perchlorate levels have been very low or undetectable, your own water supply may differ. Testing your water directly is necessary to establish perchlorate concentration specific to your tap or well.
When equipment has failed and you are ready to address perchlorate in your water, the Autotrol Perchlorate Filter ships ready to configure and is designed specifically to reduce perchlorate using proven technology. This solution is effective for residential households looking to manage perchlorate at home after assessing their water quality and demand.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2002-12-12. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR1 monitoring (2001-2005) for AQUARION WATER CO OF NH (NH1051010), NH: 18 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level
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