Haven Plaza tenants demand action after Legionella bacteria confirmed in water systemChantee Lans reports from East Village with more on what the residents are demanding after water in their building tested positive for Legionella bacteria. Chantee Lans reports from East Village with more on what the residents are demanding after water in their building tested positive for Legionella bacteria. Chantee Lans reports from East Village with more on what the residents are demanding after water in their building tested positive for Legionella bacteria. EAST VILLAGE, Manhattan (WABC) -- Tenants at Haven Plaza in Manhattan's East Village, along with city and state leaders, are calling for stronger action after Legionella bacteria was confirmed in the apartment complex's water system. Concerns about the water system emerged two months ago after city health officials confirmed the presence of Legionella bacteria.