20250AB__232297AMD INTRODUCED 2026-02-19 AMENDED_ASSEMBLY 2026-03-19 AMENDED_ASSEMBLY 2026-04-06 2025 AB AMD Introduced by Assembly Member Papan LEAD_AUTHOR ASSEMBLY Papan

An act to add

Section 13383.4 to the Water Code, relating to water. water Water discharge: commercial, industrial, or institutional sites. Under existing law, the State Water Resources Control Board and the California regional water quality control boards prescribe waste discharge requirements for the discharge of stormwater by municipalities and industries in accordance with the federal national pollutant discharge elimination system (NPDES) permit program, established by the federal Clean Water Act and the Porter-Cologne Water Quality Control Act.

Under existing law, the state board and the regional water quality control boards issue permits for the discharge of stormwater from municipal separate storm sewer systems (MS4s). For purposes of issuing permits for the discharge of stormwater from MS4s, this bill define “commercial, industrial, or institutional site” or “CII site” as a privately owned parcel or contiguous parcels of land that are commercial, industrial, or institutional based on the appropriate county tax assessor land use codes, as specified.

Existing law requires the State Water Resources Control Board to act upon all applications for a permit to appropriate water.

Existing law establishes various requirements for a notice regarding an application received by the board, including, among other requirements, that notice be given by mail not less than days before the date of a hearing for an unprotested application.</xhtml:p><xhtml:p>This bill would require notice to be given by mail not less than days before the date of a hearing for an unprotested application.</xhtml:p>"?> MAJORITY NO YES NO NO NO NO NO NO NO NO The people of the State of California do enact as follows:

SECTION

Section 13383.4 is added to the Water Code , to read: 13383.4. For purposes of issuing permits for the discharge of stormwater from municipal separate storm sewer systems (MS4s), “commercial, industrial, or institutional site” or “CII site” shall mean a privately owned parcel or contiguous parcels of land that are commercial, industrial, or institutional based on the appropriate county tax assessor land use codes.

For parcels with mixed use commercial and residential land use codes, a “CII site” shall mean the commercial, institutional, or industrial portion of the mixed land use parcel. “CII site” shall not include residential facilities of any type, including those located within a parcel assigned the land use category of mixed use. <caml:Num>SECTION 1.</caml:Num><caml:ActionLine action="IS_AMENDED" xlink:href="urn:caml:codes:WAT:caml#xpointer(%2Fcaml%3ALawDoc%2Fcaml%3ACode%2Fcaml%3ALawHeading%5B%40type%3D'DIVISION'%20and%20caml%3ANum%3D'2.'%5D%2Fcaml%3ALawHeading%5B%40type%3D'PART'%20and%20caml%3ANum%3D'2.'%5D%2Fcaml%3ALawHeading%5B%40type%3D'CHAPTER'%20and%20caml%3ANum%3D'5.'%5D%2Fcaml%3ALawHeading%5B%40type%3D'ARTICLE'%20and%20caml%3ANum%3D'1.'%5D%2Fcaml%3ALawSection%5Bcaml%3ANum%3D'1342.'%5D)" xlink:label="fractionType: LAW_SECTION" xlink:type="locator">Section of the <caml:DocName>Water Code</caml:DocName> is amended to read:</caml:ActionLine><caml:Fragment><caml:LawSection id="id_E1456758-530B-4D25-8E45-7BCA8BB5DA66"><caml:Num>1342.</caml:Num><caml:LawSectionVersion id="id_47307A6A-EA18-4E06-BA18-0D8E8C734EBE"><caml:Content><xhtml:p>If a hearing is held on an unprotested application, notice of hearing shall be given by mailing notice not less than days before the date of hearing.</xhtml:p></caml:Content></caml:LawSectionVersion></caml:LawSection></caml:Fragment></caml:BillSection>"?>