When Zack Ray worked for a septic system service company in Texas, he noted that most customers’ tanks had risers. Now, as co-owner of Tall Boots Pumping Service in Grass Valley, California, he finds close to 70 percent of tanks need to be dug up for service. Locating those tanks can be a challenge.
Often, before going to a job site, Ray and his wife, Denise, ask the county health department for records on the system and property.
“Sometimes they have them, and sometimes they don’t. In this area, there are tanks hundreds of feet away from the house, out
