Laurel Hawthorn Embayment Investigative Order R9-2019-0040 Bay Sediment Sampling Project


SCH Number
Public Agency
City of San Diego
Document Title
Laurel Hawthorn Embayment Investigative Order R9-2019-0040 Bay Sediment Sampling Project
Document Type
NOE - Notice of Exemption

Document Description
In response to Investigative Order R9-2019-0040 (IO) for the 84-inch storm water conveyance system outfall in Laurel Hawthorn Embayment (LHE), the City of San Diego (City) will be conducting sampling and analyses to address the magnitude and spatial extent of certain contaminants of concern (COCs) identified by the Regional Water Quality Control Board (Regional Board) in the IO. Surficial sediment samples collected at specified locations in the LHE will be used to characterize sediment quality status for benthic community protection. Sampling and analysis of legacy chemicals in fish tissue collected along three trawl transects within the LHE, as well as water column samples, will be used to evaluate the human health protection aspect of the California Sediment Quality Objectives (SQOs). Bay sampling is planned for the summer of 2021 (July-September). This activity has been also reviewed for consistency with the Final Mitigated Negative Declaration (MND) for the New Storm Water Municipal Permit Planning Documents project (Project No. 402137 / SCH No. 2015021066) certified and adopted by San Diego City Council Resolution R-309792 on July 1, 2015. The proposed investigative activities involve sediment and biological sampling, as required by the Regional Board IO R9-2019-0040 and are necessary to ensure the City is upholding its responsibilities under its Municipal Permit.

Contact Information
Elena Pascual
City of San Diego
Lead/Public Agency
9485 Aero Drive, MS 413
San Diego, CA 92123

Phone : (619) 533-5928


San Diego
San Diego
Southern California
San Diego Bay

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15306, 15307, 15308, 15309
Reasons for Exemption
The City of San Diego conducted an environmental review that determined the project would not have the potential for causing a significant effect on the environment pursuant to CEQA Guidelines Section 15306 (Information Collection) which consists of basic data collection, research, experimental management, and resource evaluation activities which do not result in a serious or major disturbance to an environmental resource. These may be strictly for information gathering purposes, or as part of a study leading to an action which a public agency has not yet approved, adopted, or funded. The activity is also exempt pursuant to CEQA Guidelines Section 15307 (Actions by Regulatory Agencies for Protection of Natural Resources) which consists of actions taken by regulatory agencies as authorized by state law or local ordinance to assure the maintenance, restoration, or enhancement of a natural resources where the regulatory process involves procedures for protection of the environment; Section 15308 (Actions by Regulatory Agencies for Protection of the Environment) which consists of actions taken by regulatory agencies, as authorized by state or local ordinance, to assure the maintenance, restoration, enhancement, or protection of the environment where the regulatory process involves procedures for protection of the environment; and Section 15309 (Inspections) which consist of activities limited entirely to inspections, to check for performance of an operation, or quality, health, or safety of a project, including related activities such as inspection for possible mislabeling, misrepresentation, or adulteration of products. The exceptions listed in CEQA Guidelines Section 15300.2 would not apply in that no cumulative impacts were identified, no significant effects on the environment were identified, the project is not adjacent to a scenic highway, no historical resources would be affected by the action, and the project was not identified on a list of hazardous waste sites pursuant to Section 65962.5 of the Government Code.
County Clerk
San Diego


Notice of Exemption
NOE Laurel Hawthorn Embayment IO R9-2019-0040 Bay Sediment Sampling Project_signed 02222021   PDF 157 K

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