If Your Water Lab Test Shows No Detectable Perchlorate in Utah
The EPA’s Unregulated Contaminant Monitoring Rule (UCMR1) tested the Salt Lake City Water System in Utah between 2003 and 2005, analyzing 51 samples specifically for perchlorate. None of these samples showed perchlorate levels above the reporting threshold of 4.0 micrograms per liter (µg/L). Note, this is a system-wide survey of public water and does not reflect any one household's water directly. If your home’s lab report also shows perchlorate below this reporting level, it indicates perchlorate is either not present or is below the detection capability of that test.
If Perchlorate Could Have Entered Groundwater or Your Water Supply
Perchlorate can enter groundwater typically through industrial or agricultural sources where it may be used or formed. In Utah’s Salt Lake City system, the 2003-2005 federal survey found no perchlorate above detection limits, suggesting low or no impact from such sources at the system scale. However, local conditions such as proximity to specific sites or well depths can vary and influence perchlorate presence, so localized testing is necessary to confirm your individual water quality.
If You Are Considering Water Testing To Rule Out Perchlorate Presence
The most cost-effective first step is to review your water supplier's annual water quality report, which can indicate known contaminants and monitoring results. Because municipal sampling in Salt Lake City showed no perchlorate detections above 4.0 µg/L, many homes will likely have low perchlorate levels. If water quality concerns persist, a certified laboratory test for perchlorate specifically can provide definitive confirmation for your household, since only a direct test of your well or tap water can establish its perchlorate concentration.
If Perchlorate Is Present and Left Untreated in Household Water
Long-term exposure to perchlorate at high levels may affect thyroid function by interfering with iodine uptake. The EPA has not set a maximum contaminant level (MCL) for perchlorate, but health advisories and ongoing research guide treatment decisions. Untreated perchlorate at low or undetected levels, such as those consistently found in Salt Lake City’s system, typically poses minimal concern. For higher concentrations detected by private testing, water treatment can reduce perchlorate exposure effectively.
If You Wonder How Plumbing Materials and Age Affect Perchlorate Levels
Perchlorate itself is a dissolved chemical and does not originate from plumbing materials. Plumbing age or material generally does not increase or decrease perchlorate concentration in water. However, older or corroded pipes can affect other water quality factors but do not specifically impact perchlorate characteristics or presence. Treatment decisions for perchlorate should therefore focus on source water quality, not plumbing factors.
If You Choose to Use a Special Treatment to Remove Perchlorate for Household Water
The C-Series Perchlorate Filter system uses advanced media technology designed to reduce perchlorate concentrations effectively when present in water. This system ships ready to configure for residential use and is tailored for perchlorate removal without altering other standard water qualities. After treatment, tap water will have perchlorate levels lowered to reflect the filter's capacity, providing households with additional assurance against perchlorate exposure.
Conclusion: The One Test That Clarifies Your Need for Treatment
Ordering a laboratory test specifically for perchlorate on your home’s water sample is the key step if you want to decide on treatment confidently. A reported perchlorate concentration below 4.0 µg/L—as seen in Salt Lake City’s system samples—means your water is consistent with low or undetectable perchlorate levels found in the area. If perchlorate is detected above this level in your water, considering the C-Series Perchlorate Filter system may be the suitable next step to manage that presence effectively.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2003-10-22. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR1 monitoring (2001-2005) for SALT LAKE CITY WATER SYS (UT4900390), UT: 51 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level