Chlorite in Drinking Water
Reference information plus historical EPA compliance records associated with chlorite.
EPA Limit (MCL)
1000 ppb
EPA Goal (MCLG)
800 ppb
Category
Disinfection Byproducts
Regulatory values are a concise reference, not legal or medical advice. Confirm the current standard and rule-specific details on EPA.gov.
Health Effects
Anemia, nervous system effects in infants and young children
Common Sources
Byproduct of chlorine dioxide disinfection
Treatment Considerations for Chlorite
Commonly cited treatment approaches include: Activated carbon. Choose treatment only after a certified water test identifies the substance and concentration; verify NSF/ANSI certification and consult a qualified local professional when needed.
Frequently Asked Questions
What is Chlorite and why can it appear in drinking-water records?
Chlorite can be associated with drinking water through: Byproduct of chlorine dioxide disinfection.
What reference value does this page show?
The summarized EPA Maximum Contaminant Level is 1000 ppb. Some substances use action levels or rule-specific thresholds instead, so verify the current EPA standard.
Does a historical violation record mean it is in my tap today?
No. A compliance record may be historical or resolved. Use the latest Consumer Confidence Report or a certified test for current local conditions.