Arsenic
Detected: 0.975 ppb
Approximately 244×
EWG health guideline
- EWG health guideline
- 0.004 ppb
- EPA legal limit
- 10 ppb
Arsenic can occur naturally in groundwater and may also enter water from industrial or agricultural sources.
The EWG health guideline and EPA legal limit are different benchmarks. The detected level shown here is below the listed EPA legal limit while exceeding EWG's health-based guideline.
Reverse OsmosisIon Exchange
Bromochloroacetic acid
Detected: 0.152 ppb
Approximately 7.6×
EWG health guideline
- EWG health guideline
- 0.02 ppb
- EPA legal limit
- No individual EPA legal limit shown
This treatment byproduct can form when disinfectants react with naturally occurring material in source water.
This comparison uses EWG's health-based guideline, not an EPA legal limit for the individual compound.
Activated CarbonReverse Osmosis
Bromodichloromethane
Detected: 0.769 ppb
Approximately 13×
EWG health guideline
- EWG health guideline
- 0.06 ppb
- EPA legal limit
- No individual EPA legal limit
This treatment byproduct can form when disinfectants react with naturally occurring material in source water.
EWG publishes a health-based guideline for this individual disinfection byproduct. No individual EPA legal limit is shown for it here.
Activated CarbonReverse Osmosis