GAU Determination for a Seismic Survey
Required Documents
To request a Groundwater Protection Determination for a Seismic Survey, submit the following documents to the Railroad Commission of Texas via e-mail to gau@rrc.texas.gov, regular US Mail, or an overnight express service:
- a letter on your company’s letterhead that includes:
- the company’s name, address, and phone number
- the contact person
- email address (if available)
- the name of the proposed seismic program
- the county or counties in which the project is located
- the depth of the shot holes
- the size (in pounds) of the explosive charge used in each shot hole
-
a map showing the shot-hole locations and the land survey lines
Expected Processing Time Frame
Once all required information is received and determined to be administratively complete, the estimated processing time for a Seismic Survey letter is seven (7) business days.
