Tap & Air

2 cities covered

Louisiana water quality and radon, by city

2 of 2 covered Louisiana cities use chloramine in at least part of the system, and 1 have hard water. None of Louisiana's 64 counties is EPA radon zone 1, but EPA still recommends testing every home.
CityDisinfectantHardnessLeadPFASRadon
New OrleansChloramine9.0 gpg6 ppbPFOS, PFOAZone 3
ShreveportChloramine2.7 gpg0.9 ppbNot detectedZone 3

Louisiana radon zones

Zone 1 (highest)0 counties
Zone 20 counties
Zone 3 (lowest)64 counties
Every Louisiana county