Cal. HSC § 4859

(a) Paragraph (4) of subdivision (b) of Section 54954 of the Government Code does not apply to the regular and special meetings of the Santa Clarita Valley Sanitation District where decisions are being made upon policy items relating to a total maximum daily load (TMDL) of any pollutant. (b) For purposes of this section, “meetings” has the same definition as that term is defined in Section 54952.2 of the Government Code.