Underground Storage Tank

OWNERS/OPERATORS OF SINGLE-WALLED USTS

IMPORTANT INFORMATION: Single-walled underground storage tanks (USTs) must be permanently closed by December 31, 2025. This requirement includes both single-walled tanks and nonexempt single-walled piping per California Health and Safety Code, chapter 6.7, section 25292.05. Single-walled UST systems that are not permanently closed by December 31, 2025 will be out of compliance and cannot be operated. Owners and/or operators will be subject to enforcement actions, including affixing red tags and pursuing civil penalties beginning January 1, 2026. For more information, please see the following Single Walled webpage.

Proposed Closure of Underground Storage Tank (UST) Cases

UST cases that are being considered for closure by either the State Water Resources Control Board or the Executive Director have been posted for a 60-day public comment period. (shown in the tables below) Comments will be accepted consistent with deadlines stated in the notice for each case.

UST Case Closures being proposed for consideration by the State Water Resources Control Board (State Water Board) at a future board meeting are listed below.

These are primarily UST cases that meet closure criteria under the decisional framework in State Water Board Resolution No. 92-49 and other Board orders.

List of Case Closures Proposed for Consideration by the State Water Resources Control Board (first table below)

Note: Email comments for the above Case Closures to: commentletters@waterboards.ca.gov

UST Case Closures proposed for consideration by the Executive Director pursuant to State Water Board Resolution No. 2012-0061.

These are cases that meet the criteria of the Low-Threat UST Case Closure Policy. After the comment period, if the Executive Director determines that a case should be considered by the State Water Board, it will be noticed for a future board meeting.

List of Case Closures Proposed for Consideration by the Executive Director (second table below)

Note: Email comments for the above Case Closures to: USTClosuresComments@waterboards.ca.gov.

UST Case Closure Review Denials and Approved Orders.

List of Closure Review Denials and Approved Orders

UST Case Closure Proposed For Consideration by the State Water Resources Control Board

UST Case Closure Proposed For Consideration by the State Water Resources Control Board
Claim No. / Case No.
(Sortable)
Deadline to Receive Comments
12 Noon
(year/mo/day)
(Sortable)
Site Name
(Sortable)
Site Address
(Sortable)
Documents
(Not Sortable)
Written Comments Received
(Sortable)
Orders
(Sortable)
Uniform Closure Letter Signed
               

UST Case Closure Proposed For Consideration by the Executive Director

Search Assistance for "UST Case Closure Proposed For Consideration by the Executive Director" table

  1. To narrow the list of cases proposed for consideration by the executive director, enter search critieria in the search box.  (Note: Compatibility View Settings must be off for search box functionality to work.)
    •  (Search is case insensative, alphanumeric, and allows up to 20 characters.)
  2. To display all cases proposed for consideration by the executive director, clear the search box.
  3. To activate sorting function in table, click column headings. (Note: The "document" column is not sortable.)
  4. To search the page, use the "Find" command from the Edit menu at the top of your browser window or press (CTRL+F) keys.

UST Case Closure Proposed For Consideration by the Executive Director
Claim No. / Case No.
(Sortable)
Deadline to Receive Comments
12 Noon
(year/mo/day)
(Sortable)
Site Name
(Sortable)
Site Address
(Sortable)
Documents
(Not Sortable)
Written Comments Received
(Sortable)
Closure Denials and Approved Orders
Closure Cases Approved/Denied Page
Uniform Closure Letter Signed
Closure Cases Approved/Denied Page
Case No. H05549-003 2024/10/18 Oceanside Golf Course 825 Douglas Drive, Oceanside, San Diego County Notice,
Draft Order,
Summary
     
Case No. 87UT220 2024/10/04 Brookhurst Katella Associates 11011 Brookhurst Street, Garden Grove, Orange County Notice,
Draft Order,
Summary
     
Case No. 083003428T 2024/08/18 Stop N Shop 1198 W Ball Rd Anaheim, CA 92802 Orange County Notice,
Draft Order,
Summary