
Below 15, the level that requires action
22 public water companies list West Columbia as a place they supply. The biggest is West Columbia City of (Sc3210004), with about 34,028 people. The highest latest result among West Columbia's water companies is 40 parts per billion, at Bgwc Westside Terrace (3250002). 1 of them was above 15 at their latest test. 11 found too little lead to measure. 17 are small systems serving fewer than 500 people each, such as a mobile home park, a subdivision or a business with its own well.