Many Green Bay households sense a lingering worry about lead in their water, especially if existing equipment struggles to maintain consistently low lead levels at fixtures. For those who see occasional fluctuations or feel their current solutions lag, understanding official data is a key step.
Belief: Comparing Brown County’s Lead Levels to Nearby Areas Reveals Clear Safety Differences
It’s common to look at lead data from neighboring counties or systems to gauge relative risk. Green Bay Waterworks, serving 107,369 people via surface water, reports a lead 90th percentile concentration of 0.0025 mg/L based on samples from September 2023. While this figure reflects pipes and plumbing within the distribution system rather than the source water, comparing it directly to other counties’ figures requires caution. Sampling methods, population density, plumbing materials, and water age can vary significantly. Such comparisons alone cannot determine relative safety or guarantee specific outcomes for any one household.
Belief: Water at the Tap Reflects the Same Lead Levels as Recorded by Municipal Testing
Municipal testing captures distribution system-wide lead levels but cannot pinpoint conditions at individual taps. Factors like internal plumbing composition, fixture age, or stagnation time affect lead concentrations at each faucet. When the Fleck Lead in Water Filter is applied, it targets lead present in treated water before it reaches fixtures. This filtration can reduce lead levels by providing an additional barrier at the point of use, improving water quality consistently across household outlets beyond what the public system’s record alone reveals.
Belief: The Median and 90th Percentile Values in the Record Show What Any Homeowner Should Expect From Their Water
The 0.0025 mg/L lead figure represents the 90th percentile of sampled homes, meaning 90% of samples were at or below this level. However, individual homes may show a broader range depending on in-house factors. Understanding this helps homeowners recognize the importance of testing their specific water to assess lead levels. The median indicates a typical value, but not the extremes that may appear in some residences. This record therefore guides general awareness but is not a substitute for personalized water testing.
Belief: Noticeable Taste or Appearance Changes Are Reliable Indicators of Lead Presence
Contrary to some beliefs, lead contamination does not produce clear sensory signs like taste, smell, or color changes in water. Symptoms such as discoloration or metallic taste are usually attributable to other compounds or corrosion products. Therefore, household symptoms like water appearance or odor should not be solely used to diagnose lead presence. Reliable detection depends on water testing that measures lead concentrations.
Belief: Treatment Capacity Is Standard and Easily Matches Household Water Use
Lead treatment capacity depends on the technology’s specifications relative to household daily water demand. Households with higher consumption or older plumbing might require filtration systems with greater capacity or more frequent maintenance. The Fleck Lead in Water Filter ships ready to configure, designed to meet varied household demands by effectively reducing lead at the point of use. Assessing your home’s water use patterns and testing results can guide choosing an appropriately sized system.
Understanding Green Bay’s official lead data helps distinguish system-wide trends from individual household needs. Testing your home’s water and considering a tailored lead treatment like the Fleck system can provide effective additional control beyond municipal measures.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2023-09-30. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA SDWIS record for GREEN BAY WATERWORKS (WI4050356), surface water supply, serving 107369 people: 0 health-based violations of 4 total; lead 90th percentile 0.0025 mg/L