San Bernardino County
Dark Blue Transmission Lines: Generally large diameter pipelines that operate at pressures above 200 psi and transport gas from supply points to the gas distribution system.
Light Blue High Pressure Distribution Lines: Pipelines that operate at pressures above 60 psi and deliver gas in smaller volumes to the lower pressure distribution system.
Accuracy of pipeline locations can vary +/- 500 feet.
Information from this website should never be used as a substitute for calling 811 two business days before digging.