Understanding the Local Water Source Feeding Your Home
The Creekside Development public water system serves homes in Area 10, through numerous connections within the county. This system draws water from local groundwater or surface sources managed as a community supply. Public water is treated and tested to meet federal standards. The recorded data for this system comes from monitoring conducted during 2013-2015 under the EPA's Unregulated Contaminant Monitoring Rule (UCMR3), providing valuable insights into levels of Chromium-6 detected in water before it reaches your household taps.
1. Why Aesthetic Secondary Standards Differ From Health-Based Limits, Applied to Chromium-6
Chromium-6, a form of hexavalent chromium, can affect water taste, color, and corrosion potential, which aesthetic standards address. However, these secondary standards focus on water qualities impacting appearance and consumer acceptance, not direct health safety. Currently, there is no federal maximum contaminant level (MCL) specifically for Chromium-6, although total chromium is regulated with an MCL of 100 micrograms per liter (µg/L). The distinction is crucial: a detection above aesthetic guidelines does not imply a violation or unsafe condition. In Creekside Development's system, no health-based violation for Chromium-6 or total chromium is recorded.
2. A Worked Example: Reading the Record's Median and Range as a Homeowner Would
EPA testing from 2014 shows eight samples for Chromium-6 in Creekside Development's water system. Out of these, one detected Chromium-6 at the reporting level of 0.03 µg/L, with the median of detections also at 0.03 µg/L. No other samples measured Chromium-6 above detection limits. For total chromium, all samples were below the reporting level. These figures imply infrequent, very low detections within the system, but they do not specify your home's water quality. Individual home water can only be confirmed by testing your tap water directly.
3. What Questions a Commercial or Industrial Operator Adds That a Household Does Not
While households focus primarily on water safety and taste for drinking and domestic use, commercial and industrial users evaluate Chromium-6 for its impact on manufacturing processes, regulatory compliance, and equipment longevity. They may require detailed concentration profiles over time, consistency in supply, and regional hydrogeology studies. For residential purposes, general awareness of local water system data suffices, with focused testing if concerns arise.
4. The Order in Which to Rule Things Out, From Cheapest Check to Laboratory Test
Start with observable signs indicating water quality issues, such as discoloration, staining, or taste changes, which can sometimes relate to metals. Next, review published water quality reports from your municipal supplier to understand typical constituent ranges. If Chromium-6 concern remains, a certified laboratory test of your household tap water provides definitive information on your specific water. This test is the only way to establish your water's actual Chromium-6 concentration.
5. What the Measured Range Means Against the Relevant Federal Standard, and What It Does Not Mean
The highest detected Chromium-6 level in the Creekside Development system was 0.03 µg/L, far below total chromium's MCL of 100 µg/L. No federal MCL applies specifically to Chromium-6. This detection does not imply regulatory exceedance or unsafe water status. Instead, it demonstrates the system's ongoing monitoring and record of very low Chromium-6 levels. It does not, however, characterize levels at individual household taps or private wells, which must be independently tested to confirm.
6. Which Fixtures, Appliances or Processes Are Affected First and Why
Sinks and appliances using water for drinking and cooking are the most sensitive points regarding Chromium-6 presence. Since this constituent can impact taste and staining, these fixtures may exhibit related signs first if levels were elevated. Other uses such as bathing or laundry are less directly affected. Where water treatment is desired to address Chromium-6, devices specifically designed to reduce hexavalent chromium concentrations, like the Fleck Chromium-6 Filter, operate at these household points to improve water quality effectively.
Summary: This page has guided you through understanding local Chromium-6 data from your public water system in Area 10, showing that detections are low and no health-based violations exist. To know your home's exact water quality, direct testing is necessary. If treatment is sought, advanced filtration systems like the Fleck Chromium-6 Filter can help reduce this constituent effectively.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2014-10-15. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Creekside Development (104121120), 10: 16 results across 2 listed contaminants, 1 detections above the reporting level; no federal MCL for hexavalent chromium; total chromium MCL 100 ug/L
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