Seasonal and Multi-Year Variation in Wood County Water Data
The LUBECK Public Service District (PWSID WV3305404) serving over 11,700 people in Washington, Wood County, relies on groundwater as its water source. Government records include samples taken over multiple years, with the most recent lead data from December 31, 2024. Seasonal fluctuations in water constituents can affect readings, but the EPA data record for this system reflects a stable monitoring timeframe.
Long-term sampling helps identify trends rather than temporary spikes. For example, the lead 90th percentile level measured was 0.00095 mg/L, a figure representing the distribution plumbing impact rather than the raw groundwater source.
Sample Size, Number of Wells, and What Small Sample Sets Mean
This data is aggregated from multiple sampling points across the public water system rather than a single well or household tap. The system has 4,947 connections, but only a subset undergoes sampling for lead and other constituents at set intervals. A small number of sample sites means less statistical power in detecting rare or localized issues, so household-level testing remains essential for precise water quality understanding.
Separating Plumbing Influences from Source Water Quality
Lead detected in the sampling reflects plumbing materials within distribution systems and household pipes, not just source water quality from groundwater. The lead 90th percentile reporting focuses on the worst 10% of samples, helping regulators monitor potential plumbing-related contamination risks.
Water treatment solutions that address plumbing-derived contaminants differ from those targeting groundwater impurities. Recognizing this distinction is key when considering equipment classes for residential water treatment needs.
Understanding What a Certified Laboratory Test Reports
Testing your household water through a certified laboratory will show concentrations of constituents like lead with precise measurements. Labs report values such as the lead concentration in milligrams per liter (mg/L), letting you compare your water against EPA standards or guidelines.
Unlike the public system’s aggregated data, your test reflects conditions at your tap, accounting for specific plumbing and usage patterns. Understanding these lab results helps decide if additional treatment equipment is necessary.
Potential Effects of Untreated Lead in Drinking Water Over Time
Lead exposure over extended periods can pose health concerns, especially for children and pregnant individuals. It is vital to recognize that the EPA’s reported lead findings for this system stem from plumbing influences rather than source water contamination and that individual residences may experience different lead levels.
Addressing lead presence effectively through suitable water treatment equipment can help households maintain safe drinking water quality.
What You Should Not Conclude from Wood County System Data Alone
The EPA data provides valuable insight into community-wide water quality but does not substitute for testing your own water supply. The presence or absence of detected lead in the public system’s records is not a direct statement about the safety or quality of any single household's drinking water.
Choosing water treatment equipment, such as the Pentair Safe Drinking Water Filter, should be based on your own water test results combined with understanding of local water characteristics. This product ships ready to configure and is designed to address constituents related to drinking water safety concerns documented in public records.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2024-12-31. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA SDWIS record for LUBECK PSD (WV3305404), groundwater supply, serving 11724 people: 1 health-based violations of 23 total; lead 90th percentile 0.00095 mg/L

