Fleck Perchlorate Filter

Buy Now

View full details

What to Record Before Seeking Treatment Advice

Before exploring options to address perchlorate in your household water, document your home's experience clearly. Note your existing water treatment equipment's performance limits, including when it seems insufficient. Gather any water quality reports or recent well test results specific to your home, recognizing that only such testing reflects your exact water conditions. Keep in mind that the publicly available analysis from the EPA pertains only to the public water system serving your area, not individual household supplies.

Seasonal and Multi-Year Variation in Perchlorate Monitoring

The EPA’s Unregulated Contaminant Monitoring Rule (UCMR1) data for the public water system serving GU was collected from April 2002 to October 2003. Over this multi-year span, 20 perchlorate samples were analyzed without any detections above the reporting threshold of 4.0 micrograms per liter. This period reflects a specific snapshot in time rather than continuous monitoring, so seasonal or year-to-year fluctuations in perchlorate levels may exist but are not captured by this data set.

Sample Size and Well Representation in the Public Record

The 20 perchlorate results available come from the monitoring of the public water system operated by EARTH TECH, INC., covering multiple supply wells and water sources in GU. Because the sample number is limited and aggregated, it provides only a general view of perchlorate presence in the system. Individual wells or household connections might show different results, which underscores the importance of testing your own water to understand your specific perchlorate level.

Long-Term Effects of Untreated Perchlorate Presence

Perchlorate can interfere with iodine uptake in the thyroid gland, potentially affecting hormone production over prolonged exposure. Since perchlorate is not subject to a federal maximum contaminant level, its presence in water requires attention mainly based on personal health considerations and professional guidance. Consistent treatment to reduce perchlorate may be advisable if your household equipment no longer keeps pace with demand or observed perchlorate levels.

Influence of Plumbing Materials and Age Separate from Source Water

While plumbing components can affect water quality for some contaminants, perchlorate levels are generally determined by source water characteristics rather than pipe materials or age. Thus, changes in your home’s distribution system typically do not impact perchlorate concentrations. This distinction helps to focus treatment measures on source water treatment rather than internal plumbing modifications.

How Perchlorate Enters Groundwater and Local Water Systems in GU

Perchlorate can originate from industrial sources, fireworks manufacturing, and natural deposits. It may leach into groundwater through soil and rock, eventually reaching public water supply wells. The detection results from EARTH TECH, INC. indicate that perchlorate has been monitored but remained below the reporting threshold in the samples taken. Understanding this pathway highlights why monitoring remains important, even if current detections are low or absent.

What Not to Conclude from Public Area Data Alone

The absence of perchlorate detection above the reporting level in local public water system records does not guarantee that your household water is free from perchlorate or that your existing treatment equipment is fully effective. Area-wide data cannot substitute for direct, current testing of your well or tap water. When existing equipment struggles to maintain water quality, evaluating your specific water conditions is necessary. For households facing ongoing challenges with perchlorate removal, the Fleck Perchlorate Filter ships ready to configure and can provide a documented solution tailored to household scale demand.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2003-10-07. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR1 monitoring (2001-2005) for EARTH TECH, INC. (GU0000016), GU: 20 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level