Table 1: Legionella spp. isolated, demographics, maintenance, and associated respiratory health issues of RVs positive for Legionellae.

RV no.StateSpecimen sourceLegionella isolatedCFU/mLGeneral RV
maintenance
Cleaning of tank within the last yearRV tank storage Health problems in RV user

4GAFaucetL. feeleii serogroup 10.15NoNoDrain in winterNo
6SCFaucetL. pneumophila serogroup 125NoYesDrain and treat with chlorineNo
8TXFaucetL. quateriensis  
L. pneumophila serogroup 6
2.6
6
UnknownYesAlways in useCough/allergies
17TNWater
Tank
Faucet
L. anisa (D-1497) 
L. quateriensis
L. anisa (D-1497)
0.15–2.0
0.15–0.65
1.5–2.75
NoYesAlways in useWife-history of bronchial pneumonia