Reference Source

Chlorine (as Cl2)

For Chlorine (as Cl2), regulator is US EPA (National Primary Drinking Water Regulations); limit is MRDL=4.0; unit is mg/L; limit type is MRDL (Maximum Residual Disinfectant Level), recorded from its source on 2026-08-06.

Contaminant
Chlorine (as Cl2) verified
Regulator
US EPA (National Primary Drinking Water Regulations) our reading
Limit
MRDL=4.0 verified
Unit
mg/L
Limit type
MRDL (Maximum Residual Disinfectant Level) our reading
Sourceepa.gov
Verified2026-08-06
Review by2027-08-06
DatasetDrinking water contaminant limits by regulator

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Chlorine (as Cl 2 ) | MRDLG =4 1 | MRDL =4.0 1

epa.gov, retrieved 2026-08-06

Source

Last verified against source: 2026-08-06. Due for re-check by 2027-08-06. This page as Markdown · OKF bundle · full dataset as JSON.