Install Hydrodynamic Separator Devices

Summary

SCH Number
2023120713
Public Agency
California Department of Transportation, District 4 (DOT)
Document Title
Install Hydrodynamic Separator Devices
Document Type
NOE - Notice of Exemption
Received
Posted
12/22/2023
Document Description
nstall Hydrodynamic Separator Devices (HDS), or trash capture devices, and drainage diversion boxes into existing subsurface drainage systems at three locations (SM-280 PM: 7.09, CC-4 PM: 16.8, and SCL-101 PM: 21.5). he HDS system will improve water quality and collect trash/liter before it enters waterways and clogs roadway drainages.

Contact Information

Name
Craig Jung
Agency Name
California Department of Transportatioin, Caltrans
Job Title
Senior Environmental Scientist/Planner
Contact Types
Lead/Public Agency

Location

Cities
Concord, San Jose, Woodside
Counties
Contra Costa, San Mateo, Santa Clara
Regions
San Francisco Bay Area
State Highways
U.S. 101, State Route 4, I-280
Other Location Info
San Mateo, I-280 Post Mile: 7.09, Contra Costa, SR4, PM: 16.8, and Santa Clara, U.S. 101, PM: 21.5

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
PRC 21084; 14CCR 15300 et seq.
Reasons for Exemption
Class 1. Existing facilities/Structures (c) Existing highways and streets, sidewalks, gutters, bicycle and pedestrian trails, and similar facilities.

Attachments

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