AB 2322
Water discharge: commercial, industrial, or institutional sites.
Vote required
Majority
Fiscal committee
No
Appropriation
No
Current location
Appropriations
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Bill overview
This bill clarifies the definition of ‘commercial, industrial, or institutional site’ (CII site) used in stormwater permits issued by the State Water Resources Control Board and regional boards. It specifies that a CII site is determined by county tax assessor land use codes, excluding residential facilities. The bill also shortens the notice period required for unprotested permit applications to 15 days from the current 20 days.
Key provisions
- Defines ‘commercial, industrial, or institutional site’ (CII site) based on county tax assessor land use codes.
- Excludes residential facilities from the definition of a CII site.
- Requires 15 days’ notice for unprotested permit applications.
- Applies to stormwater discharge permits issued by the State Water Resources Control Board and regional water quality control boards.
- Addresses municipal separate storm sewer systems (MS4s).
Who is affected
- Businesses
- Industries
- Local governments (through regional water boards)
- Property owners
- Environmental regulators
Notable changes
- Reduces the notice period for unprotested permit applications from 20 days to 15 days.
- Provides a specific definition of ‘commercial, industrial, or institutional site’ based on land use codes.
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AB2322:v97#DOCUMENT
Bill Start
| Amended IN Assembly April 06, 2026 |
| Amended IN Assembly March 19, 2026 |
CALIFORNIA LEGISLATURE— 2025–2026 REGULAR SESSION
Assembly Bill
No. 2322
| Introduced by Assembly Member Papan |
| February 19, 2026 |
An act to amend Section 1342 of add Section 13383.4 to the Water Code, relating to water.
LEGISLATIVE COUNSEL'S DIGEST
AB 2322, as amended, Papan. Appropriation of water: notice of hearing. Water discharge: commercial, industrial, or institutional sites.
Under existing law, the State Water Resources Control Board and the 9 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 9 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 20 days before the date of a hearing for an unprotested application.
This bill would require notice to be given by mail not less than 15 days before the date of a hearing for an unprotested application.
Digest Key
Vote: MAJORITY Appropriation: NO Fiscal Committee: YES Local Program: NO
Bill Text
The people of the State of California do enact as follows:
SECTION 1.
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.
SECTION 1.Section 1342 of the Water Code is amended to read:
1342.
If a hearing is held on an unprotested application, notice of hearing shall be given by mailing notice not less than 15 days before the date of hearing.