LOCAL GUIDANCE LETTERS
This webpage contains links to all the current Local Guidance (LG) letters issued by the State Water Resources Control Board. The LGs are listed below in numerical older, starting from the highest number to the lowest. LGs not listed here are obsolete or outdated. For reference, please see the webpage for obsolete/outdated LGs.
| LG Number | Title Topic | Revision Date |
|---|---|---|
| LG 201 | Acceptable Local Ordinances for the Underground Storage Tank Program | January 2026 |
| LG 200 | Reporting of Technical Compliance Rate | January 2026 |
| LG 171 | Permanent Closure of Underground Storage Tanks that do not meet Health and Safety Code, Chapter 6.7, Section 25291, Subdivisions (a)(1)-(6) | July 2015 |
| LG 170 | Collection of Tank Owner BOE Account Number | January 2011 |
| LG 169 | Clarification of Requirements for Vapor Condensate Traps | January 2011 |
| LG 162 | Installation and Monitoring Requirements for Underground Storage Tanks Installed on or after July 1, 2003 (12/12/19) | December 2019 |
| LG 145 | Clarification of Corrosion Specialist and Cathodic Protection Tester | May 2001 |
| LG 122 | Applicability of the Closure Regulations To Tank Decommissioned Before January 1, 1984 | April 1992 |
| LG 113 | List of Leak Detection Equipment and Methods for Underground Storage Tanks |
