
Below 15, the level that requires action
5 public water companies list Topeka as a place they supply. The biggest is Topeka's water department, with about 125,963 people. The highest latest result among Topeka's water companies is 7 parts per billion, at the Metro Topeka Airport Authority. None of the 5 with results was above 15 at its latest test. 2 found too little lead to measure.