
Below 15, the level that requires action
8 public water companies list Peru as a place they supply. The biggest is the Peru Water Department, with about 11,417 people. The highest latest result among Peru's water companies is 26 parts per billion, at Hilltop Ridge Apartments. 1 of them was above 15 at their latest test. 3 found too little lead to measure. 6 are small systems serving fewer than 500 people each, such as a mobile home park, a subdivision or a business with its own well.