10-1S770 MPA, SR-49 PM 1.93-6.60 Culvert/Drainage Improvements Project
Summary
SCH Number
2025101175
Public Agency
California Regional Water Quality Control Board, Central Valley Sacramento Region 5
(RWQCB)
Document Title
10-1S770 MPA, SR-49 PM 1.93-6.60 Culvert/Drainage Improvements Project
Document Type
NOE - Notice of Exemption
Received
Posted
10/24/2025
Document Description
The California Department of Transportation (Caltrans) proposes culvert replacement at five locations on State Route 49 in Mariposa County.
Contact Information
Name
Olivia IIsley
Agency Name
Central Valley Regional Water Quality Control Board
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Name
Edujie Imoisili
Agency Name
California Department of Transportation
Job Title
Engineer
Contact Types
Project Applicant / Parties Undertaking Project
Phone
Location
Counties
Mariposa
Regions
Unincorporated
Other Location Info
The Project is located within the County of Mariposa (MPA) on State Route 49 between postmiles 1.93 and 6.60. Start Lat./Long.: 37.436149, -119.733370 End Lat./Long.: 37.458613, -119.802019 degrees.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
C.C.R. tit. 14 §15301 Existing Facilities
Reasons for Exemption
This Project includes the repair and rehabilitation of existing drainage systems with little to no expansion in the capacity of use.
County Clerk
Mariposa
Attachments
Notice of Exemption
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