What to Note Before Seeking Treatment Advice
Record the Water System Name and Service Details
The public water system serving your area is the Blackfoot City of system, which serves about 13,224 people through 4,267 connections using groundwater sources.
Understand the Documented Water Treatment Methods
The system uses treatment processes identified by EPA code 423; however, specific treatment details are not disclosed here.
Note the Number and Type of EPA Health-Based Violations
This water system has two health-based violations on record out of ninety total violations. These are system-wide records and not specific to individual homes.
How Source Type and Sampling Affect What to Expect
Groundwater as a Source Moderates Chloramine Presence
Groundwater sources typically have different chloramine patterns compared to surface water systems, which use more chloramine for disinfection.
Sampling Depth and Distribution Samples Matter
The EPA’s Lead 90th percentile of 0.003 mg/L is from distribution system samples taken on 2026-12-31, reflecting plumbing levels, not source water chloramine levels.
Seasonal and Multi-Year Variation in Local Data
Review Recent and Historical Water Quality Records
The water records reflect ongoing monitoring but do not specify chloramine concentrations over time in public data.
Variability in Disinfectant Levels Can Occur Year to Year
Changes in water treatment protocols or source conditions may affect chloramine presence, but documented public data lack detailed range specifics.
Differentiating Chloramine Issues from Commonly Confused Problems
Chloramine Versus Chlorine Disinfection
Chloramine is combined chlorine, more stable but less potent than chlorine alone as a disinfectant.
Distinguishing From Plumbing or Other Water Chemistry Problems
Chloramine effects differ from plumbing lead levels or other contamination types; testing your home water is needed to clarify your specific situation.
Interpreting What Government Measurements Mean and Don’t Mean
Detection of Chloramine Does Not Constitute a Violation or Hazard
Government measurement indicates presence but does not label it as unsafe or exceeding legal limits.
Federal Standards Focus on Health-Based Violations, Not Aesthetic Thresholds
Chloramine levels may influence taste or odor but are regulated primarily to balance disinfection and safety, with health-based violations recorded separately.
What You Should Not Infer From Area Water Data
Don’t Assume Your Home Water Has Identical Chloramine Levels
Only a test of your home's water can reveal your actual chloramine concentration and inform treatment needs.
Don’t Conclude That Presence Means Unsafe Water
Detection in the water system data is a measurement, not a health alert. Your water may meet all safety standards despite chloramine presence.
If chloramine is a concern, consider the C-Series Chloramine (City Water) Filter, which ships ready to configure and is designed to reduce chloramine from municipal water supplies such as Blackfoot City’s.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2026-12-31. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA SDWIS record for BLACKFOOT CITY OF (ID6060007), groundwater supply, serving 13224 people: 2 health-based violations of 90 total; lead 90th percentile 0.003 mg/L