811 Locate

Iowa One Call811 Locate
If you plan to build, remodel, plant a tree, or any project that requires digging, simply dial 811 to request underground utility locates. This special service, Iowa One Call, notifies all the necessary utilities before you dig, which helps you avoid potential injury or even death.  Just call 811 at least 48 hours before you plan to dig. We'll locate and mark the buried lines in your yard free of charge

Underground Utility Markings 
What the markings mean.
 
COLOR DESCRIPTION
RED Electric Power Lines
YELLOW Gas, Oil, Petroleum Materials
ORANGE Communication
BLUE Water, Irrigation Lines
GREEN Sewers and Drain Lines
WHITE Proposed Excavation