The UTC maintains maps which show the routes of hazardous liquid pipelines and high-pressure natural gas pipelines (>250 psig) to meet the needs of first responders and local governments. The UTC offers free map atlases by county to interested fire department, emergency management agencies and local governments upon request.

If you would like to request a map, please submit a public records request via our web form. Also you can visit the National Pipeline Mapping System to view transmission pipelines in your county online at https://www.npms.phmsa.dot.gov

These maps must NOT be used to determine where you can dig safely. They do not contain all underground utilities such a power, cable or lower pressure gas distribution pipelines.

WARNING

Again, not all pipelines are shown on these maps.

These maps DO NOT show ANY underground power lines, telephone lines, cable lines or water lines.

They DO NOT show ANY underground facilities going to a home or building.

Moreover, the location of a pipeline can change, and these maps may not reflect that location change. If you choose to use these maps, you do so entirely at your own liability and safety risk.