Local Water Source and Distribution Overview
Evansville’s public water is drawn from surface water sources that serve over 180,000 people across nearly 64,000 connections. The water undergoes multiple treatment processes before reaching residential taps. These processes are designed to meet federal standards and provide safe drinking water to the community.
Changes at the Tap After Using the Pentair Lead in Water Filter
Once water from the Evansville Water Utility flows through the Pentair Lead in Water Filter, lead concentrations at the household tap can be reduced. This filter is engineered specifically to address lead once the water enters a home’s plumbing system, targeting lead particles that may arise from internal plumbing or previous pipe corrosion. The result is water with lowered lead levels, consistent with maintaining water quality within regulatory measures.
Sample Size Behind the Lead Figures
The EPA’s 2024 report for the Evansville Water Utility includes lead measurements based on multiple residential tap samples taken throughout the distribution system. While over 63,000 connections exist in the service area, the lead data focuses on a statistical subset. The 90th percentile lead concentration is derived from this sampling, reflecting a high percentile but not the entire population’s water. This sample size provides a representative snapshot rather than individual home specifics.
Interpretation of Sampling Data Terms
In the context of this water quality data:
- Detected indicates lead was measured at a certain level; it does not imply a violation or unsafe condition.
- Median represents the midpoint level of lead found across sampled locations, giving an idea of common water quality.
- Range shows the spread between the lowest and highest measured lead values in samples, reflecting variation across the distribution system.
Matching Treatment Capacity to Household Needs
Before acquiring a lead filter system, households should consider their daily water usage. The Pentair Lead in Water Filter is designed for residential demand, ensuring it can manage typical household consumption without reducing flow or performance. Checking the system’s flow capacity against the number of users and peak water use times ensures effective treatment.
Recognizing When Lead Is or Isn’t the Cause of Water Issues
Lead-related symptoms that might suggest water treatment needs include metallic taste or visible discoloration potentially linked to older plumbing. However, not all water quality concerns relate to lead—for example, chlorine taste or hardness are unrelated issues. Given the utility’s record shows no health-based violations and a low 90th percentile lead measure, other causes should be investigated for taste or appearance problems.
Example Interpretation of Evansville Lead Data for Homeowners
The EPA’s latest data places the 90th percentile lead concentration at 0.001 mg/L, a measurement taken from a distribution point rather than the water source itself. This means 90% of sampled taps had lead levels at or below this figure. Homeowners cannot assume their water matches this number exactly; individual plumbing and fixture materials heavily influence actual lead levels at the tap.
Summary and Data Source
This summary is based on public water system records for Evansville Water Utility, covering water served to Vanderburgh County residents through a surface water source. These records reflect system-wide sampling and treatment status as reported to EPA. For detailed official data, refer to the EPA SDWIS public water system record for IN5282002.
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 EVANSVILLE WATER UTILITY (IN5282002), surface water supply, serving 182444 people: 0 health-based violations of 2 total; lead 90th percentile 0.001 mg/L
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