1. A worked example: reading the Artesian Southern Sussex Regional chlorine data
Median and range values inform typical exposure
The Artesian Southern Sussex Regional system, serving Bethany Beach, draws groundwater and applies multiple treatment processes. While chlorine itself is not directly measured in the provided record, its use is indicated by treatment codes. Homeowners can understand that chlorine is applied within regulatory frameworks, but the exact concentration at any tap requires direct testing.
Sampling reflects community-wide trends, not individual homes
The data collected covers over 7,000 connections and more than 18,000 residents. This aggregation means typical chlorine levels represent average system conditions, not a single household’s supply.
2. Comparing Sussex data with neighboring county records without overstating differences
Similar groundwater sources and treatment approaches
Neighboring counties may have comparable groundwater supplies and disinfection needs, but variations in treatment can lead to different chlorine levels. However, public records do not specify exact chlorine values, so comparison should focus on treatment presence rather than numeric chlorine differences.
Beware assuming identical household experiences
Even with regional data, plumbing, water age, and point-of-entry factors affect chlorine taste and smell within a home.
3. What 'detected', 'median', and 'range' signify in chlorine reporting
'Detected' means chlorine presence measured at sampling points
Detection indicates that chlorine was found during a sampling event but does not indicate a safety concern or a limit exceeded.
'Median' and 'range' describe central tendency and variation
Although specific chlorine values are absent, understanding these terms helps interpret any future test results: median is the middle value, and range covers the lowest to highest readings collected.
4. Interpreting the chlorine range against federal guidelines and limitations
No health-based violations for chlorine reported
The Artesian Southern Sussex Regional system has recorded some EPA health-related violations, but none related directly to chlorine levels. Chlorine is regulated primarily for disinfection purposes and balance between microbial safety and consumer preference.
Chlorine presence is not a safety violation but relates to taste and odor preferences
Some secondary standards concern aesthetic effects, such as taste and smell, but exceeding these does not imply health risks.
5. Distinguishing chlorine from commonly confused water quality concerns
Chlorine vs. disinfectant byproducts
Chlorine is an applied chemical for disinfection; byproducts formed after reaction with organic matter differ and are regulated separately.
Chlorine vs. contaminants like lead or bacteria
Lead readings reflect plumbing corrosion and are unrelated to chlorine disinfection concentration; bacteria require microbial testing and separate control measures.
Chlorine vs. other taste and odor sources
Chlorine's characteristic smell is distinct; other odors may arise from natural sulfur compounds or stagnation.
Closing: Choosing treatment for chlorine taste and smell
Because public system data does not specify household chlorine concentration, direct water testing is recommended to determine individual demand. For households seeking to reduce chlorine taste and smell, the C-Series Chlorine Taste & Smell Filter ships ready to configure and provides a documented technology designed to address this specific issue when measured.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2025-12-31. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA SDWIS record for ARTESIAN SOUTHERN SUSSEX REGIONAL (DE00A0323), groundwater supply, serving 18215 people: 3 health-based violations of 4 total; lead 90th percentile 0.002 mg/L