1. What 'Detected', 'Median', and 'Range' Mean in Tuscaloosa's Chlorine Sampling Record
When reviewing a water quality report for chlorine from Tuscaloosa's public water system, you’ll see terms like ‘detected’, ‘median’, and ‘range’. These describe how often chlorine is found and the concentrations measured across the entire municipal system, not at any specific tap. 'Detected' means chlorine was measured at some sampling points; 'median' indicates the middle value of recorded chlorine levels across samples; 'range' gives the lowest to highest measurements found within the system. This information reflects system-wide monitoring, showing the presence and variability of chlorine used in treating water sourced from surface supplies.
2. What the Measured Chlorine Range Means Against Federal Standards—and What It Does Not Mean
Federal standards set limits to ensure water safety and quality. Chlorine is regulated primarily to control microbial hazards, with allowable levels set to protect health. The Tuscaloosa Water & Sewer system maintains chlorine levels within these health-based limits. However, a detected chlorine measurement, even near upper limits, is not a violation or indication of unsafe water. Rather, it shows chlorine’s role as a disinfectant and its variable presence depending on treatment and distribution conditions. The federal limits differ from aesthetic guidelines, which relate to taste and odor but not health risk.
3. Why Aesthetic Secondary Standards Differ from Health-Based Limits for Chlorine
Chlorine can affect the taste and smell of water, which are governed by secondary standards focusing on consumer preference, not safety. These aesthetic standards provide guidance on acceptable levels to avoid unpleasant chlorine taste or odor in household water. The Tuscaloosa system’s chlorine use may occasionally cause such sensory effects, even though it remains within federally mandated health-based safety levels. Understanding this distinction helps clarify why some water may taste or smell chlorinated without being unsafe to drink.
4. How Public-System Records Differ from Private-Well Testing in Establishing Chlorine Levels
Data reported for Tuscaloosa's public water system represents monitoring of the treated water supplied to the community as a whole. This system-level data does not reveal the exact chlorine concentration at any individual household tap since plumbing materials, residence age, and water usage patterns affect chlorine presence at the faucet. For private wells, water testing must be conducted directly on the well water because municipal system data does not apply. To know chlorine levels in your specific home, a certified laboratory test of your tap water is necessary.
5. How the Documented Treatment Technology Removes or Neutralizes Chlorine
To address chlorine’s taste and smell in household water, the C-Series Chlorine Taste & Smell Filter uses specialized filtration designed to reduce residual chlorine effectively. This system ships ready to configure with existing plumbing setups and works by adsorbing chlorine compounds, improving the sensory quality of your water. It does not alter the health-based safety levels of water but targets the aesthetic concerns associated with chlorine presence.
In summary, the chlorine data for Tuscaloosa reflect system-wide monitoring of surface water treated for safe distribution. These figures do not specify your household's chlorine level. For precise information about your home's water, testing is needed. The C-Series Water Filter provides a documented option to mitigate chlorine taste and odor based on this system data. For full source details, refer to the EPA's official Tuscaloosa Water & Sewer public water system record.
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 TUSCALOOSA WATER & SEWER (AL0001313), surface water supply, serving 166524 people: 2 health-based violations of 7 total; lead 90th percentile 0 mg/L

