
Below 15, the level that requires action
9 public water companies list Havre as a place they supply. The biggest is Havre's water department, with about 9,921 people. The highest latest result among Havre's water companies is 11 parts per billion, at Ncmrwa North Havre CWD Leg. None of the 7 with results was above 15 at its latest test. 3 found too little lead to measure. 2 have no lead test results on file. 7 are small systems serving fewer than 500 people each, such as a mobile home park, a subdivision or a business with its own well.