Water reaching homes in Henderson County, KY, comes from a surface water source managed by the Henderson Municipal Water & Sewer system. This system provides water to over 31,000 people across more than 11,000 connections. Federal records show no health-based violations for this system, supporting its compliance with EPA standards.
What do 'detected', 'median', and 'range' mean in the perchlorate sampling record for Henderson?
The EPA's Unregulated Contaminant Monitoring Rule (UCMR) from 2001 to 2005 sampled this municipal system multiple times for perchlorate, a chemical of interest in water supplies. The term 'detected' indicates whether perchlorate levels were measured above a specific reporting threshold—in this case, 4.0 micrograms per liter (µg/L). For Henderson, all 12 samples showed perchlorate below this level, meaning none were detected above the reporting limit.
'Median' refers to the middle value when all measurements are arranged in order, but since no perchlorate was detected above 4.0 µg/L, the median for this period is below that limit. The 'range' would normally show the span between the lowest and highest measurements, but with all results below detection, the range suggests perchlorate concentrations are consistently very low or not present at measurable levels in this system.
How can a Henderson homeowner read the median and range from this record as it applies to their household water?
The record tells us about the overall water system, not about a single home's water. Even though perchlorate was not detected above the reporting limit, individual homes could have different results due to plumbing or other factors. The median below the detection level suggests perchlorate is not commonly present in measurable amounts at the public water source for the area. Homeowners should understand that this data reflects general water quality trends, not a precise measurement of their tap water.
What details should I note before seeking advice on perchlorate treatment?
- Obtain a current water test from your specific household or well to identify perchlorate concentration in your water.
- Note your water provider and system name (Henderson Municipal Water & Sewer) to compare your results with official records.
- Document when and where any sampling was done in your home, including whether the sample is from cold or hot water lines.
- Clarify any known plumbing materials or configurations that could affect your water quality.
How many water samples and sources back the perchlorate figures, and why does a small sample size matter?
The EPA data includes 12 samples taken over several years from this public water system. While this provides a snapshot for Henderson County's supply, the number is relatively small. A limited set of samples can miss fluctuations occurring at other times or locations. Therefore, water quality can vary slightly, and periodic testing is important for a current and comprehensive understanding.
How does the Fleck Perchlorate Filter work to address perchlorate concerns in household water?
The Fleck Perchlorate Filter is designed to reduce perchlorate in residential water supplies by using a specialized filtering process. This system works by targeting and removing perchlorate molecules from the water before it reaches taps. It ships ready to configure for home use, enabling homeowners to directly manage this constituent if local testing shows perchlorate presence above their comfort level.
What is the single test I should order to settle the question of perchlorate in my water?
Ordering an individual water test that specifically measures perchlorate concentration at your household faucet is the most reliable way to know your water's condition. With this test result in hand, you can compare your water to the Henderson Municipal Water & Sewer system's record and decide if treatment like the Fleck Perchlorate Filter is appropriate for your home. A result below the reporting level found in the EPA data suggests perchlorate is not a concern, while any measurable level can guide treatment decisions.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2003-10-20. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR1 monitoring (2001-2005) for HENDERSON MUNICIPAL WATER & SEWER (KY0510188), KY: 12 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level
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