What the Measured Range Means Against Federal Standards—and What It Does Not
The public water system record for Auburn Water District in Androscoggin County, ME, shows chloramine as part of its treatment process from surface water sources. Federal records do not specify chloramine concentration figures here, nor do they report a health-based violation related to chloramine. This means the presence of chloramine is consistent with regulatory allowances for disinfection. However, the data alone does not indicate your household’s water specific concentration or whether chloramine levels exceed secondary standards related to taste or staining. Only direct water testing at your residence can establish those details.
Understanding 'Detected', 'Median', and 'Range' in This Chloramine Sampling Record
Government sampling records typically include terms such as 'detected,' 'median,' and 'range' to describe water constituent levels. In this public water system's EPA records, 'detected' confirms chloramine is used in the treatment process but does not imply any adverse level. 'Median' and 'range' values are not provided for chloramine here, reflecting that the records focus on the treatment methods rather than detailed concentration statistics. This clarifies that chloramine presence is documented but not quantified for consumer-level decisions.
How Seasonal or Multi-Year Variation Appears in the Record for Auburn Water
The latest system record is current as of December 31, 2023, showing continuous use of chloramine among other treatment codes. Multi-year or seasonal variability in chloramine levels is not detailed in this public system record, so changes related to water source conditions or operational adjustments are not visible in the data. Users should consider that actual chloramine levels at tap points can fluctuate over time and that testing at different times may reflect those changes.
Why Aesthetic Secondary Standards Differ from Health-Based Limits for Chloramine
Secondary standards address aesthetic qualities such as taste, odor, and staining potential. Chloramine concentrations used by the Auburn Water District comply with health-based federal regulations, but may sometimes influence taste or appliance wear. It is important to understand that exceeding secondary limits is not a health violation, merely a matter of personal and household preference. Such distinctions guide whether specialized equipment is appropriate depending on the aesthetic tolerance and plumbing sensitivity of each household.
How Chloramine Enters the Distribution System in Androscoggin County
Chloramine is introduced as a disinfectant during water treatment at the Auburn Water District surface water facilities. It serves to maintain water quality across the distribution network, reaching households through the municipal system. Because this is a centralized treatment process, chloramine presence at residential taps depends on the distribution system and plumbing conditions rather than natural groundwater sources in Androscoggin County. Home testing remains necessary to verify individual water quality.
Summary and Next Steps
The public water system record for Auburn in Androscoggin County confirms chloramine use as a disinfectant without health-based violations related to it. This record represents the municipal water system conditions rather than a specific home’s water. For households weighing treatment options, direct water testing is essential to identify chloramine concentrations at the tap and to determine if equipment like the Autotrol Chloramine Filter, which ships ready to configure, suits your needs. For authoritative details, consult the EPA's public water system information for Auburn Water District (PWSID ME0090070).
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
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