The Otay Water District in southern California has 39 water tanks to serve its 200,000 customers, and 13 of them have wireless communication antennas attached.Due to environmental and safety issues and concerns about damage to its tanks from welding and epoxy, the district now requires all new antennas mounted to its tanks to be installed using a magnetic mounting system or a nondestructive alternative. The district also upholds those standards when any antenna is modified or replaced and when a tank is painted.“It costs half a million dollars to paint a water tank inside and out,” says Brandon DiPietro, inspector
