Contaminant · Taste
What Chlorine & Chloramine is, where it hides, and what actually removes it.
Safe for public health, annoying in your glass.
Short answer
Chlorine keeps water disinfected on its way to your home. At regulated levels it is not a health risk, but it changes taste, smell and skin feel — and chloramine needs a different filter.
Where it comes from
Most municipal systems use chlorine or chloramine; taste is strongest after water sits in buildings overnight.
- •Chlorine used for disinfection
- •Chloramine (chlorine + ammonia) in about 1 in 5 US systems
- •Higher seasonal residuals in summer
Last reviewed September 2026
Health context
What Chlorine & Chloramine does to health
Grouped by who is most affected, with the practical steps that follow from it. This is a plain-language summary, not our own testing.
Taste & odor
Chlorine and chloramine are not a health risk at regulated levels; complaints center on taste, smell and occasionally dry skin.
Aquariums & plants
Both are toxic to fish; carbon removes chlorine, but chloramine needs catalytic carbon or chemical treatment.
What to do about it
- •Test to see whether your utility uses chloramine.
- •Pick catalytic carbon if it is chloramine, standard carbon for chlorine.
- •Flush after plumbing work or long standby.
Regulatory source
EPA sets a 4 ppm MCL for free chlorine residual.
Read the EPA page for Chlorine & Chloramine →
Certified (NSF/ANSI or WQA listing for the exact model) is not the same as a manufacturer "claims-only" statement on a product page.
Test before you treat
How to actually test for it
DIY strips mislead for many contaminants. Here’s the honest method for finding Chlorine & Chloramine.
DPD test kit
Cheap and instant — tells you whether you have free chlorine and whether it is chlorine vs chloramine.
Filter guidance
What actually removes it (and what does not)
Certification matters more than a marketing claim. Here’s the ranking.
Activated carbon
Standard block carbon removes chlorine almost completely; choose catalytic carbon for chloramine.
UV
UV neutralizes microbes but does not remove chlorine by itself — pair with carbon for taste.
Normalized database
Compare certified options
Same contaminants, same columns, real source links. Blanks mean “not stated” — we don’t invent numbers.
| Product | NSF |
|---|---|
Brita Everyday Elite Water Filter Pitcher Activated carbon | NSF 42 certifiedNSF 53 certifiedNSF 58 — not statedNSF 401 — not stated |
PUR PLUS Horizontal Faucet Mount System Activated carbon | NSF 42 certifiedNSF 53 certifiedNSF 58 — not statedNSF 401 — not stated |
Frizzlife Under Sink Water Filter System Activated carbon | NSF 42 certifiedNSF 53 certifiedNSF 58 — not statedNSF 401 — not stated |
ZeroWater 10-Cup Pitcher with TDS Meter Ion exchange | NSF 42 certifiedNSF 53 certifiedNSF 58 — not statedNSF 401 — not stated |
FAQ
Common questions
+Is Chlorine & Chloramine in my tap water?
Only a certified lab test (not a taste test or a strip) answers that reliably.
+Does boiling remove Chlorine & Chloramine?
No. Boiling concentrates most contaminants rather than removing them.
+What's the safest first step?
Test before you treat, then choose a filter type certified for Chlorine & Chloramine.