General Information: Isolation: Copper-contaminated sediment from a lake; Country: USA; Temp: Mesophile; Habitat: Fresh water, Host, Soil. Ralstonia pickettii can be isolated from a wide range of environmental and clinical samples. This species is a nocosomial pathogen. It is associated with infections caused by contaminated solutions, such as distilled water and intravenous solutions. Ralstonia pickettii strains resistant to heavy metals have also been isolated from heavy metal contaminated environments.