Colorado River Basin - Underground Storage Tanks (UST)

Contact: Kai Dunn - (760) 776-8958

The Colorado River Basin Regional Water Quality Control Board (Region 7) UST program staff oversees corrective actions associated with unauthorized releases or leaks from underground storage tanks within Region 7's boundary. The Regional Board UST program staff also provides technical assistance to the following local agencies that provide corrective action oversight for some of the Leaking Underground Storage Tank (LUST) sites:

1. County of Riverside Department of Environmental Health
2. County of San Diego Department of Environmental Health
3. County of San Bernardino Fire Department
4. County of Imperial Planning and Building Department.

All corrective actions are conducted pursuant to Article 11, Chapter 16, Division 3, Title 23 of the California Code of Regulations and Region's 7 Water Quality Control Plan requirements.

The UST Program Manager is Kai Dunn (760) 776-8958. Other UST program contacts are Phan Le - (760) 776-8974 and Kola Olatunbosun (760) 776-8986.

Region 7's LUST database is available on GeoTracker- a statewide geographic information system that tracks regulatory data on underground fuel tanks, fuel pipelines, and public drinking water supplies. A Methyl Tertiary Butyl Ether (MTBE) report that summarizes reported MTBE information for LUST sites is also available on GeoTracker. To access GeoTracker, click on this web site address-

• https://geotracker.swrcb.ca.gov/casereports

Also, for help to navigate the above web site, you may choose to print the following instructions:

1. From the Agency dropdown menu: select the COLORADO RIVER BASIN RWQCB (Region 7), and then click on the Next Step button.
2. To Create Case Report: First select the appropriate items (values) from the drop down menu for the following fields:
   1. County
   2. Active/Inactive - refers to the open and closed LUST cases respectively
   3. Lead Agency
3. To view the report, click on the Create Case Report button.
4. To Create MTBE Report: First select the appropriate items (values) from the drop down menu for the following fields:
1. County
2. Active/Inactive - refers to the open and closed LUST cases respectively
3. From Date- enter the desired date according to the format for the default date. The date cannot be less than the default date shown (1/1/1991).
4. To Date - enter the desired date. The date cannot be greater than today's date.
5. MTBE values > - enter the desired value.
5. To view the report, click on the Create MTBE Report button.

If you have further questions regarding GeoTracker and Region 7's database or MTBE report, please contact Kai Dunn.

( updated 8/16/07 )