THE PROCESS Notify Missouri 811Request a utility locate online or by phone at 811 at least three full working days prior to excavation. Utilities Are NotifiedMissouri 811 will notify any public utility companies within your dig site while you wait the required time. Utilities Mark Their LinesThe utilities will locate and mark their lines, or provide an all clear notification. Confirm the MarksYou confirm the marks and utility statuses. Dig with Care! https://missouri-811.org/