As the sun sets in the California foothills, a shadowy figure stands in silent regard, looking down on a wastewater treatment plant from the catwalks. His name is Paul Cockrell, and he’s setting up a camera and tripod to capture the splendor of the facility in its magic hour.Being a water/wastewater design engineer, you might think Cockrell gets enough of treatment plants and their design during daylight hours. But you’d be wrong. There’s something inescapable about the finished product for the Placerville native, who has made a lasting side business out of treatment plant photography.It started more than 20 years
