Memorandum Circular 2022-01: Extension of Deadline for Filing of Registration/Renewal of Privilege to Operate (pto) Fishpens and Fishcages in Laguna de Bay for CY 2022.

Memorandum Circular 2022-02: Implementing Rules and Regulations of Board Resolution No. 600 Series of 2021.

Memorandum Circular 2022-04: Implementing Guidelines for carrying out the Tadlac Lake Master Development Plan formulated by LLDA in 2008 and Revived in 2007 which aims to provide livelihood opportunities to the residents of Barangay Tadlac and to ensure the Sustainable Environmental Mmanagement of the lake.

Memorandum Circular 2022-05: Guidelines for the Evaluation and Approval of Eligible Projects for Funding under the Area Water Quality Management Fund.