
Below 15, the level that requires action
29 public water companies list Bozeman as a place they supply. The biggest is Bozeman's water department, with about 56,000 people. The highest latest result among Bozeman's water companies is 4.4 parts per billion, at Elk Grove Water. None of the 29 with results was above 15 at its latest test. 4 found too little lead to measure. 21 are small systems serving fewer than 500 people each, such as a mobile home park, a subdivision or a business with its own well.