Colorado law requires underground utilities to be located before you begin any digging projects. This is true for any digging job, big or small. Whether you are a homeowner planting a few trees or a contractor getting ready to excavate a pond, you are required to call 811 at least two days before you plan to start digging. Colorado 811 will locate all underground utilities, including any underground DMEA power lines, free of charge. Colorado 811 does not locate private utilities lines, such as underground sprinklers systems, invisible dog fencing, or private lines running to an outbuilding.
Colorado 811
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