
Too little lead to measure
7 public water companies list Durham as a place they supply. The biggest is Durham Center Division, with about 1,601 people. The highest latest result among Durham's water companies is 5.5 parts per billion, at Twin Maples Nursing Home. None of the 7 with results was above 15 at its latest test. 5 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.