The Washington State Pollution Liability Insurance Agency (PLIA) has completed the transition of the Heating Oil Insurance Program into the Heating Oil Loan and Grant (HOLG) Program. You can learn more about this transition on our Heating Oil Insurance Program Transition page.

Agency Information

Quarterly Updates

Plans and Reports

Forecasted Purchases Report (.xlsx file)
Economic Report on Petroleum Storage Tanks in Washington (PDF)
Agency Strategic Plan 2025-2030 (PDF)
IT Strategic Plan 2025-27 (PDF)
UST Revolving Loan and Grant Program Report to the Legislature 2021-2023 (PDF)
Open Data Plan (PDF)
An Analysis of UST System Infrastructure in Select States (PDF)

Other

Public Records Request Form:
Submit Online or Print & Mail (PDF)