The Regional Water Board is required to provide public notice of certain corrective actions related to cleanups from spills, leaks, and other hazardous substance discharges, including releases from underground storage tanks. Comments regarding a particular notice must be received in writing at the Regional Water Board office no later than thirty calendar days from the date of the individual notice. [note: comments on a proposed action may result in (1) a change to the proposed action, (2) a hearing on the proposed action, or (3) no change to the proposed action. Any hearing or any significant change to the proposed action would result in re-noticing.]

Discharger	Description	Comment Period Ends
Adams, Irma	Case# 1TMC126	December 29, 2025
Masonite’s Former Wood Preserving Facility	Case# 1NSO266	November 27, 2025
Hearst Road Diesel Spill	Case# 1NMC633	November 20, 2025
Nelson Property	Case# 1TSO263	November 16, 2025
Jesus Vega	Case# 1TMC093	December 8, 2025
Valley Pacific	Case# 1TSI239	November 10, 2025