Department of Biological and Physical Sciences, Montana State University Billings, Billings, MT, 59101, USA.
Department of Microbiology and Center for Biofilm Engineering, Montana State University, Bozeman, MT, 59717, USA.
Microb Ecol. 2018 Jul;76(1):52-63. doi: 10.1007/s00248-015-0595-6. Epub 2015 Mar 22.
Private residences in rural areas with water systems that are not adequately regulated, monitored, and updated could have drinking water that poses a health risk. To investigate water quality on the Crow Reservation in Montana, water and biofilm samples were collected from 57 public buildings and private residences served by either treated municipal or individual groundwater well systems. Bacteriological quality was assessed including detection of fecal coliform bacteria and heterotrophic plate count (HPC) as well as three potentially pathogenic bacterial genera, Mycobacterium, Legionella, and Helicobacter. All three target genera were detected in drinking water systems on the Crow Reservation. Species detected included the opportunistic and frank pathogens Mycobacterium avium, Mycobacterium gordonae, Mycobacterium flavescens, Legionella pneumophila, and Helicobacter pylori. Additionally, there was an association between HPC bacteria and the presence of Mycobacterium and Legionella but not the presence of Helicobacter. This research has shown that groundwater and municipal drinking water systems on the Crow Reservation can harbor potential bacterial pathogens.
农村地区私人住宅的供水系统如果没有得到充分的监管、监测和更新，可能会存在对健康造成威胁的饮用水。为了调查蒙大拿州克劳族保留地的水质情况，从 57 个公共建筑和私人住宅采集了水样和生物膜样本，这些住宅的供水系统要么是经过处理的市政供水系统，要么是个人地下水井系统。对水质的细菌学质量进行了评估，包括检测粪便大肠菌群和异养菌平板计数，以及三种潜在的致病性细菌属，分枝杆菌属、军团菌属和幽门螺旋杆菌属。这三种目标菌属都在克劳族保留地的饮用水系统中被检测到。检测到的物种包括机会性病原体分枝杆菌属、戈登分枝杆菌属、金黄分枝杆菌属、嗜肺军团菌属和幽门螺旋杆菌属。此外，异养菌平板计数细菌的存在与分枝杆菌和军团菌的存在之间存在关联，但与幽门螺旋杆菌的存在无关。这项研究表明，克劳族保留地的地下水和市政饮用水系统可能存在潜在的细菌病原体。
