How many water samples and sources support the chlorine data for Auburn?
The EPA’s Safe Drinking Water Information System (SDWIS) public water system record for the Auburn Water District, which serves approximately 17,245 people through 6,898 connections, provides chlorine data based on surface water supply samples managed centrally by the water system. While the record includes multiple sampling points, it represents system-wide averages and monitoring rather than individual home water tests. This means the chlorine-related figures are derived from a broad set of tests, but they do not reflect every connection or the varying conditions in household plumbing.
How should I compare Auburn’s water system chlorine data with nearby Androscoggin County areas?
When looking at chlorine levels or treatment processes across Androscoggin County or adjacent counties, it is important to understand that each public water system may have different source waters, treatment methods, and sampling frequencies. Differences in these factors affect chlorine presence and monitoring results. Comparing Auburn’s record to others in the county can reveal regional patterns but should not lead to assumptions about individual homes, especially since chlorination practices and water age differ between systems.
What does a certified lab test for chlorine report, and how do I interpret it?
A certified laboratory chlorine test in household water measures free and total chlorine concentrations at the tap, offering a snapshot of what is actually reaching your plumbing. The test reports values usually in milligrams per liter (mg/L) and shows whether chlorine is present at detectable levels. These tests confirm the presence of chlorine residual but do not indicate health risk by themselves. Since chlorine dissipates over time and reacts with plumbing materials, test results can vary even within the same house.
Which household symptoms might indicate chlorine, and which do not?
Not all unpleasant water qualities stem from chlorine. Common signs related to chlorine include a noticeable taste or smell often described as “bleach-like.” However, skin dryness, irritation, or staining may have other causes and do not necessarily indicate chlorine presence. If your water tastes or smells differently than expected, chlorine could be involved, but confirming this requires testing your household water. Symptoms alone cannot clearly determine chlorine levels.
How does water at the tap change when treated with the Fleck Chlorine Taste & Smell Filter?
The Fleck Chlorine Taste & Smell Filter is designed to reduce the chlorine residual and its characteristic taste and odor in home water. Once the system is configured and operating, water passing through the filter typically has a diminished chlorine presence, resulting in improved flavor and smell. Unlike untreated water, this filtered water is less likely to carry the noticeable bleach-like qualities associated with chlorination. It is important to obtain a certified laboratory test before and after filtration to verify effectiveness in your household.
What should you not conclude from the Auburn water system data about chlorine?
The public water system record for Auburn provides helpful context about chlorine use and monitoring but does not reveal the exact chlorine level in your home. A detection or standard operating practice including chlorine does not mean your water is unsafe or in violation of health limits. Testing tap water directly is the only way to determine your water’s chlorine condition. Furthermore, the presence of chlorine is part of common surface water treatment processes, so the system record should not be interpreted as a signal that your water supply is unusually chlorinated or poses health concerns on its own.
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 AUBURN WATER DISTRICT (ME0090070), surface water supply, serving 17245 people: 2 health-based violations of 4 total; lead 90th percentile 0.0062 mg/L

