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Our purpose is to provide an easy-to-use on-line form and related tools for stakeholders to share essential detail about underground damage or near-miss incidents for use in determining root causes, which will be evaluated and used to focus and promote underground damage prevention education and training efforts.

About Colorado 811

Underground Facility Damage Reporting Specification passed state law May 23, 2000 requires the reporting of damages by all owners and operators of underground facilities. The Utility Notification Center of Colorado (UNCC) has established this software application to accommodate this requirement. The reporting requirement is defined in SB184 9-1.5- 102.

Reporting is accomplished by one of two methods electronic form (copy of form) or electronic data exchange using this Damage Reporting Application.

Utility Notification Center of Colorado
16361 Table Mountain Pkwy
Golden, CO 80403

2016 Annual Report

CGA has released the 2016 DIRT report as of October 2017. Please visit to download the report or supplementary data.