Understanding Public System Records Versus Private Well Testing
The water serving Ridgewood Township in Bergen County comes primarily from surface water sources, managed by the Ridgewood Water public supply system, which serves over 61,000 people. Federal sampling under the EPA's UCMR5 program shows multiple detections of several PFAS compounds in this system. However, these data are system-wide measurements taken from the public supply and do not reflect the unique water quality of any individual home's tap or well. Private well owners must conduct targeted testing of their own water to determine specific PFAS levels, as public system data provide an overview rather than personalized results.
Distinguishing Aesthetic Secondary Standards from Health-Based Limits for PFAS
Health-based limits for PFAS compounds are set to protect public health, such as the EPA's federal maximum contaminant levels (MCLs) established for compounds like PFOA and PFOS starting in 2024. These limits are different from aesthetic secondary standards, which may address taste, odor, or staining rather than safety. In the case of Ridgewood Water, the system has recorded PFAS detections below or near these health-based benchmarks, though the presence of these substances at detected levels does not necessarily indicate unacceptable water safety. Understanding this difference helps households evaluate the necessity and type of treatment equipment they may require.
Interpreting 'Detected', 'Median', and 'Range' in PFAS Sampling Records
The EPA's monitoring includes terms that describe the frequency and concentration spread of PFAS detections. 'Detected' means that the compound was measured above the instrument's reporting limit but does not imply a violation. For example, PFOA was detected in 33 of 38 samples with a median concentration of 0.0215 µg/L, far below the federal MCL of 4.0 ng/L. 'Median' refers to the middle value in a set of detected concentrations, offering a typical measurement within the sampled range. 'Range' describes the span from the lowest to the highest concentration found, indicating variability across sampling points within the system.
Adjusting PFAS Considerations for Large Households, Second Homes, and Seasonal Properties
The size and usage pattern of a household influence PFAS treatment decisions. Larger households or homes with higher water demand may require treatment systems capable of handling greater flow rates and volumes to effectively reduce PFAS exposure. Conversely, second homes or seasonal properties might prioritize equipment that remains effective after periods of inactivity. Knowing your household's demand and water usage frequency supports choosing treatment technology suited to your living situation, ensuring efficient and reliable reduction of PFAS compounds.
Comparing Ridgewood Township's PFAS Records with Neighboring Counties Without Overinterpretation
While PFAS detections in Ridgewood Township show presence of several compounds, neighboring counties may report different concentrations or compound profiles. These differences reflect variable source water conditions, treatment methods, and environmental factors. However, such regional comparisons should be approached cautiously, as they provide context rather than direct predictions of individual water quality. Homeowners should prioritize their own water testing and treatment decisions based on their specific location and usage rather than solely on neighboring system data.
For households in Ridgewood Township balancing demand and effective removal of PFAS, the C-Series PFAS Forever Chemicals Filter offers a solution designed to address these contaminants. This equipment ships ready to configure, fitting diverse residential needs identified through measurement of household water consumption and PFAS presence.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2025-03-04. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR5 monitoring (2023-2025) for RIDGEWOOD WATER (NJ0251001), NJ: 380 results across 10 listed contaminants, 248 detections above the reporting level; 62 results above a 2024 federal MCL