Under existing law, the State Water Resources Control Board and the 9 California regional water quality control boards regulate water quality and prescribe waste discharge requirements in accordance with the Porter-Cologne Water Quality Control Act and the federal National Pollutant Discharge Elimination System permit program established by the federal Clean Water Act. Existing law requires each regional board to formulate and adopt water quality control plans for all areas within the region, as provided. Existing law requires specified moneys to be paid into the State Water Pollution Cleanup and Abatement Account, which is established in the State Water Quality Control Fund, including, among other moneys, the proceeds of civil penalties for violations of certain waste discharge requirements. Existing law continuously appropriates moneys in the account for specified purposes, including, among others, the payment of grant moneys to eligible entities to assist in cleaning up a waste, abating the effects of a waste on waters of the state, or addressing an urgent drinking water need. This bill would require the State Water Resources Control Board, no later than January 1 of each year, to post on its internet website a report describing the receipts and expenditures of the State Water Pollution Cleanup and Abatement Account, as provided. The bill would require the board to provide the initial report no later than January 1, 2026, and to include data for the period from July 1, 2017, to June 30, 2025, inclusive, in that report, as provided. The bill would require the board, no later than June 30, 2025, to separately account within the State Water Pollution Cleanup and Abatement Account all categories of receipts, including, among other categories, enforcement fines.