Interpreting Bacterial Results in the Washington Water Works Record
If you notice occasional cloudiness or taste changes in your tap water, it may reflect bacterial presence within the public water system serving Washington, Daviess County. According to the EPA SDWIS database for Washington Water Works (PWSID IN5214007), this community water system uses groundwater to serve approximately 13,690 people through 5,476 connections. The system’s record shows one health-based EPA violation, signaling that some bacterial-related standards have been tested beyond expected norms in the past. However, this number describes system-wide conditions, not conditions in any individual home.
The water system uses multiple treatment processes — codes 141, 344, 348, 361, 380, 401, 403, 560, and 660 — indicating disinfection and filtration steps designed to manage biological contaminants. But despite these efforts, bacteria can still be detected intermittently at sample points in the distribution system. Such findings do not necessarily mean contamination of every tap or any health hazard, but a presence that requires vigilance.
Public Water System Records vs. Private Well Testing
Public water system records report bacterial test results on water collected at regulated sampling sites throughout the distribution network. These sites provide a broad overview of water quality trends but cannot capture specific household plumbing issues or private well conditions. Conversely, private well testing focuses directly on a home’s water source and plumbing, revealing localized bacterial presence exclusive to that property.
For residents in Washington, Daviess County relying on public water, the system’s monitoring offers a general gauge of bacterial presence but should not be mistaken for a definitive test of your home’s water quality. Testing your home’s water independently is the only way to establish your own risk or need for treatment interventions.
How Bacteria Enter Groundwater and Distribution in Daviess County
In Daviess County, the public water system uses groundwater as the source. Bacteria can enter groundwater through surface infiltration, compromised well casings, or failing septic systems near water sources. Once introduced, bacteria can travel through aquifers and into supply wells. Additionally, bacteria may occasionally colonize distribution pipes, especially after pressure changes or if residual disinfectant levels drop.
Natural events such as heavy rain or flooding can increase bacterial mobilization into groundwater, while aging infrastructure can allow bacterial intrusion into the distribution network. Understanding these entry points helps explain why bacteria can appear sporadically despite ongoing system treatment efforts.
Influence of Sample Depth, Well Depth, and Source Type on Bacterial Expectation
The Washington Water Works system samples water from groundwater sources, but sample depth and well construction affect bacterial presence detection rates. Deeper wells often have reduced bacterial counts due to natural filtration through soil and rock layers. Shallower wells may be more vulnerable to surface contamination. Sample collection points closer to the treatment plant typically show fewer bacteria compared to points at the distribution system extremities.
For a residential customer, this means that your home's water quality can differ from system-wide sampled data based on your connection’s position, plumbing condition, and water age within pipes. These factors influence what bacterial count to expect and when testing is most informative for your situation.
Potential Consequences of Untreated Bacterial Presence Over Time
When bacterial presence in household water systems goes unchecked, it can lead to aesthetic concerns such as unpleasant tastes or odors and visible changes like cloudiness or discoloration. While the public water system records show efforts to meet health standards, persistent bacterial infiltration can increase risks of coliform bacteria colonizing plumbing fixtures, which could necessitate more intensive treatment.
Long-term bacterial presence may contribute to biofilm formation inside pipes, potentially impacting water quality further. However, it is important to note that occasional bacteria detection in treated groundwater systems does not inherently indicate unsafe water or a health threat but signals the need for effective bacterial management at the household level.
Summary
The bacterial data reported for Washington Water Works in Daviess County provides a system-level indication of bacterial presence that may affect households variably. Differentiating public system records from private well conditions is key, and testing your own water is necessary to understand your home's water quality. For households seeking to enhance control over bacterial presence beyond the public supply’s capacity, the C-Series Bacteria & Coliform (Well) Filter ships ready to configure as a focused solution designed to reduce bacterial impact at the tap.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2023-12-31. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA SDWIS record for WASHINGTON WATER WORKS (IN5214007), groundwater supply, serving 13690 people: 1 health-based violations of 3 total; lead 90th percentile 0.013 mg/L