City of Williams Continuous GPS Installation Project
Summary
SCH Number
2026100433
Public Agency
California Department of Water Resources
(DWR)
Document Title
City of Williams Continuous GPS Installation Project
Document Type
NOE - Notice of Exemption
Received
Posted
10/14/2026
Document Description
In 2014, the Sustainable Groundwater Management Act (SGMA) was signed into law requiring local Groundwater Sustainability Agencies (GSAs) to manage groundwater in their basins. GSAs have submitted Groundwater Sustainability Plans (GSPs) which describe how the GSA will manage groundwater in their basin, including various groundwater monitoring networks such as groundwater level monitoring and land subsidence monitoring. However, there are many gaps in groundwater monitoring networks across the basins, statewide. This Project is to install high-resolution measurements for subsidence monitoring through DWR’s Statewide Groundwater Monitoring initiative.
Contact Information
Name
Evan MacKinnon
Agency Name
CA Dept of Water Resources
Job Title
Sr. Environmental Scientist
Contact Types
Lead/Public Agency / Project Applicant
Phone
Location
Coordinates
Cities
Williams
Counties
Colusa
Regions
Northern California
Other Location Info
City of Williams Wastewater Treatment Facility
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15306 Information Collection
Reasons for Exemption
The cGPS installation will be used to monitor subsidence. Proposed activities are not anticipated to impact any environmental resources, including scenic resources, cultural resources, or special status plants or wildlife species. The project will not result in any significant impact to the environment.
Attachments
Notice of Exemption
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