Is PFAS Presence in Sacramento Water a Health Hazard According to EPA Data?
A frequent misconception is that any finding of PFAS—per- and polyfluoroalkyl substances—in water means a direct health risk. In the case of Sacramento Suburban Water District, which serves a large portion of Sacramento County from surface water sources, EPA records show zero health-based violations for PFAS compounds. The federal Maximum Contaminant Levels (MCLs) for these substances, set for 2024, have not been exceeded in any of the 116 samples taken during the current monitoring period.
Why Are Granular Carbon Beds and Ion-Exchange Resins Listed Differently in PFAS Treatment?
In water treatment, granular activated carbon beds and ion-exchange resins are two documented technologies that target PFAS removal using different mechanisms. Granular activated carbon adsorbs many PFAS compounds over time, capturing them on the surface of carbon particles. Ion-exchange resins, however, attract and bind charged PFAS molecules selectively, often improving removal of certain compounds. The documented C-Series PFAS Forever Chemicals Filter combines these approaches to address a broad range of fluorinated compounds effectively.
What Do Terms Like 'Detected', 'Median', and 'Range' Mean in Sacramento's PFAS Sampling Record?
Government monitoring reports for the Sacramento Suburban Water District list terms such as 'detected', 'median', and 'range' to describe PFAS measurements. 'Detected' means that the concentration of a compound in a water sample is above the laboratory’s reporting level, a threshold for reliable measurement, but is not a safety violation. The 'median' is the middle value of detected concentrations, representing a central tendency among positive findings. The 'range' includes the lowest and highest detected concentrations across samples, showing variability but not indicating a legal or health limit has been surpassed.
How Do PFAS Enter Groundwater or the Distribution System in Sacramento County?
In Sacramento County, sources of PFAS entering surface water used for water supply may include industrial discharge, urban runoff, and legacy use of fluorinated chemicals in products like firefighting foams. These substances can persist in the environment, leading to their occasional measurement at low levels in treated water. It is important to note that surface water treatment and distribution processes aim to manage and reduce environmental contaminants to maintain water quality within federal standards.
How Does the C-Series PFAS Forever Chemicals Filter Address These Substances?
The C-Series System employs a combination of granular carbon filtration and ion-exchange resin technologies to reduce a broad spectrum of PFAS 'forever chemicals' found in drinking water. This approach is documented to lower concentrations of multiple perfluoroalkyl substances, including PFOA, PFOS, PFHxS, PFNA, and others detected at trace levels in Sacramento’s water system. The equipment ships ready to configure for residential use, providing an added layer of treatment at the household level.
Why Are PFOA and PFOS Reported in Nanograms Per Liter and with Four Decimal Places?
PFAS compounds like PFOA and PFOS are measured in nanograms per liter (ng/L), which is equivalent to parts per trillion (ppt). These units reflect extremely low concentrations, so reporting with four decimal places ensures precise quantification. For example, an MCL of 4.0 ng/L means four parts of the substance per trillion parts of water, underscoring the high sensitivity needed for detection and regulatory compliance.
In summary, EPA’s UCMR5 monitoring data for the Sacramento Suburban Water District covers over 46,000 connections serving nearly 200,000 residents using surface water sources. This data provides a detailed picture of PFAS compound levels in the public water system, confirming no exceedances of federal health-based standards. For further information and detailed results, residents can consult the EPA’s official public water system records online.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2026-04-23. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR5 monitoring (2023-2025) for SACRAMENTO SUBURBAN WATER DISTRICT (CA3410001), CA: 1160 results across 10 listed contaminants, 11 detections above the reporting level; compared with the applicable federal MCL, none above