If you notice a chemical taste or smell when using water at home in Fresno, VOCs could be a factor. Knowing the local water quality data and how it might affect your household water helps in weighing treatment options.
1. What You Should Note Before Seeking Treatment Advice
Start by writing down your water source type, any recent water testing results from a certified lab, and your household plumbing details. Collecting information on water usage patterns, water discoloration, or odd tastes can be helpful too. Remember: the government data available reflects city-wide averages, not your individual home’s water.
2. The Role of Plumbing Material and Age, Separate From Source Water
Plumbing materials and their age affect how water quality presents at the tap. Some pipes may absorb or release chemicals, impacting VOC readings locally without reflecting the source water. Even if the city water system shows VOCs detected, plumbing can influence what you experience. Copper, PVC, and PEX piping behave differently, so consider your home’s pipe types when evaluating VOC presence.
3. What 'Detected,' 'Median,' and 'Range' Mean in the Sampling Record on This Page
The City of Fresno's public water system monitoring between 2013 and 2015 found several VOCs present in trace amounts. For example, 1,1-dichloroethane was detected in 17 out of 386 tests with a highest measurement of 0.1 micrograms per liter and a median detection at 0.06 micrograms per liter. 'Detected' means the chemical was measurable above a minimal reporting level, 'median' is the midpoint concentration of detections, and 'range' indicates the spread between the lowest and highest detected levels. These detections are not violations or health-based exceedances but serve as data points about the water system overall.
4. How VOCs Enter Groundwater or the Distribution System in Fresno
Fresno’s public water primarily comes from surface water sources. VOCs may enter water supplies through industrial emissions, agricultural runoff, or legacy contamination of soils and groundwater. The water treatment plants reduce many contaminants, but trace VOCs can persist at low levels. Distribution pipes and storage facilities also have potential to influence water quality by interacting with residual substances.
5. How the Treated Water Differs at the Tap Once the Documented Technology Is in Place
Using the Autotrol VOCs & Industrial Chemicals Filter, water passing through this system undergoes specialized filtration designed to reduce a broad range of volatile organic compounds and related industrial chemicals. After treatment, water typically has lower detectable VOC levels, improving taste and odor where these were concerns. This system ships ready to configure, allowing you to integrate it with your existing water setup, targeting VOCs without adding salt or chemicals.
6. What Happens When This Problem Is Left Untreated for Years, Stated Without Exaggeration
Long-term exposure to even low levels of some VOCs may concern certain sensitive individuals, though the city’s water system shows no EPA health-based violations. Over time, chemical taste or odor issues can persist or worsen due to pipe interaction or fluctuating source water quality. Addressing VOC presence through filtration can improve water aesthetics and provide peace of mind, especially when you have specific concerns.
Closing: To understand your home's specific water quality, order a comprehensive VOC test from a certified laboratory. The report should detail your individual VOC levels. If you find measurable VOCs causing concern, this result will help determine if filtration with the Autotrol VOCs & Industrial Chemicals Filter suits your household needs.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2015-12-03. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for City of Fresno (CA1010007), CA: 2757 results across 7 listed contaminants, 76 detections above the reporting level; no federal MCL for these UCMR-listed VOCs

