Tenmile Creek Gage Reinitiation - CalSIP Upgrade
2 Documents in Project
Summary
SCH Number
2025091043
Public Agency
California Department of Water Resources
(DWR)
Document Title
Tenmile Creek Gage Reinitiation - CalSIP Upgrade
Document Type
NOE - Notice of Exemption
Received
Posted
11/6/2025
Document Description
As part of the California Stream Gage Improvement Program, the California Department of Water Resources has executed a contract with the California Department of Fish and Wildlife to reactivate and upgrade an existing stream gage on Tenmile Creek to record high-quality stream gage data and water temperature in real-time and make it available to the public on CDEC. A radar gage will be affixed to an existing bridge structure, while a data logger and associated equipment will be attached to a pipe installed on the bank, and staff gage placed within the stream channel.
Contact Information
Name
Brian Humphrey
Agency Name
California Dept. of Water Resources
Job Title
Sr. Environmental Scientist (Specialist)
Contact Types
Lead/Public Agency
Phone
Location
Cities
Laytonville
Counties
Mendocino
Regions
Northern California, Unincorporated
Cross Streets
Highway 101
Zip
95454
Jobs
1
Parcel #
013-560-42
State Highways
US HWY 101
Waterways
Tenmile Creek
Township
T22N
Range
R15W
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15301. Exist. Facilities; 15304. Minor Alt. to Land; 15306. Information Collection
Reasons for Exemption
The proposed stream gage reactivation/upgrade would be installed to provide real-time data, monitor hydrologic conditions,and provide hydrologic data to the public. Proposed activities qualify for categorical exemptions: 15301 (Existing Facilities), 15304 (Minor Alterations to Land), and 15306 (Information Collection). The proposed stream gage activation will provide critical information in managing three listed salmon populations, while temporary impacts associated with the installation will not result in adverse impacts to sensitive plant or wildlife species, and no mature or scenic trees will be removed. Proposed activities will not result in a significant impact to the environment and none of the exceptions described in CEQA Guidelines Section 15300.2 apply.
Attachments
Notice of Exemption
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