
Below 15, the level that requires action
10 public water companies list Springfield as a place they supply. The biggest is the City Utilities of Springfield, with about 210,898 people. The highest latest result among Springfield's water companies is 6.1 parts per billion, at Country Squire's water department. None of the 10 with results was above 15 at its latest test. 3 found too little lead to measure. 9 are small systems serving fewer than 500 people each, such as a mobile home park, a subdivision or a business with its own well.