How many samples and water sources inform the 1,4-Dioxane data for Cuyahoga County?
The data for 1,4-Dioxane in Cuyahoga County's water comes from a public water system record maintained by the EPA. This system, serving the Cleveland area, covers over 1.3 million people through more than 450,000 water connections. Sampling took place through 15 tests conducted between February and December 2014. These tests collectively reflect the system’s surface water sources rather than private wells or individual homes. Because of the limited number of samples relative to the population served, these results offer a broad overview but do not provide specific detail on any one household’s water quality.
How does the source type affect what to expect about 1,4-Dioxane presence?
Cuyahoga County’s public water supply primarily comes from surface water. Surface water sources, such as nearby lakes or rivers, often undergo treatment before reaching consumers. The system’s record shows no 1,4-Dioxane detected above the reporting level of 0.07 micrograms per liter in the sampled surface water during the survey period. However, private wells or other sources not connected to this system may have different conditions. Factors such as water source type and depth can influence the presence and concentration of 1,4-Dioxane, so knowing your own water source is crucial before drawing conclusions.
What information should I gather before seeking advice about treating 1,4-Dioxane?
Before evaluating treatment options, it is important to know the exact quality of your household water. This requires an up-to-date laboratory analysis specifically for 1,4-Dioxane in your water supply. Write down details such as your water source type (public supply, private well, or other), any previous water test results, and the volume of water your household uses daily. This information ensures that any treatment recommended will match your household’s actual water conditions and demand.
How should I understand 'detected', 'median', and 'range' in the 1,4-Dioxane sampling data?
In the context of the EPA’s survey for Cuyahoga County, 'detected' means the contaminant was measured by instruments above a specific reporting threshold—in this case, 0.07 micrograms per liter for 1,4-Dioxane. In the 15 samples taken, no detections above this level were recorded, though this does not guarantee that all water is free from 1,4-Dioxane. 'Median' would represent the middle value if detections were present, and 'range' describes the spread between the lowest and highest measured concentrations. Since no samples exceeded the reporting threshold, these values do not apply here but remain important in interpreting other water system records.
How is 1,4-Dioxane different from other common water concerns?
1,4-Dioxane is an industrial solvent sometimes found in water due to certain manufacturing processes. It differs from many other water contaminants because there is no federal maximum contaminant level set for it—only a cancer risk reference concentration established by the EPA. Unlike problems like iron or manganese that mainly affect water taste, color, or staining, 1,4-Dioxane is primarily a concern related to long-term exposure and potential health risks. Knowing whether your water contains measurable levels specifically requires testing for this compound, separate from tests for more common impurities.
How can I address 1,4-Dioxane in my household water?
Once you have confirmed your household water’s 1,4-Dioxane concentration through laboratory testing, and measured your daily water usage, you can consider appropriate treatment. The C-Series 1,4-Dioxane Filter is a solution designed to reduce this compound in residential water supplies. It ships ready to configure for household water demands as determined by your daily consumption measurements. Reviewing your test results and usage figures will help ensure the system meets your specific needs for improved water quality regarding 1,4-Dioxane.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2014-12-22. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Cleveland (OH1801212), OH: 15 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level

