An effort to disinfect the water in the D.C. area may have contaminated as many as 15,000 homes. The disinfectant caused corrosion in lead pipes that leached into the water supply. The CDC has concluded that many homes may still be at risk of elevated levels of lead contamination.
For more information you can find the full report here.
Many older homes may still use lead pipes for the water supply and this can increase the risk of lead contamination. In some cases the visible piping in the home may be made of PVC or copper, but the service lines that lead to the house may be lead. Read More