Pacific Gas and Electric Company is doing public outreach to residents, businesses and recreationists immediately downstream of its dams, including six dams in Placer and Nevada counties. The campaign is to alert people in dam inundation areas about the importance of having an evacuation plan and recognizing signs of a dam breach. “Dams in the United States are very safe, and dam failures are very rare,” said Mary Richardson, PG&E’s manager of public safety for power generation. “PG&E inspects and maintains its dams according to strict safety guidelines, ensuring structural integrity under normal and extreme conditions. This campaign is about …