UC Davis Twichell Island Low Intensity Chemical Dosing Water Investigation

Summary

SCH Number
2008108165
Lead Agency
University of California, Davis
Document Title
UC Davis Twichell Island Low Intensity Chemical Dosing Water Investigation
Document Type
NOE - Notice of Exemption
Received
Posted
10/15/2008

Document Description
The Twitchell Island Low Intensity Chemical Dosing water research project will consist of laboratory and field experiments to better understand the potential effect of applying coagulant blends to water for decreasing dissolved organic carbon concentration in wetland waters. This type of chemical dosing is commonly used in public waterways but the effectiveness is highly variable for different types of source water. Testing in the delta area is needed to validate potential measures for improving water quality. The project includes construction of wetland test areas on Twitchell Island agricultural field. The project will utilize excess irrigation water but will have no effect on the quantity or quality of the test water. All soil disturbing activities will be more than 250 feet from aquatic features and the project would have no effect on the giant garter snake or other wildlife species.

Contact Information
Sid England
University of California, Davis
One Shields Avenue
Davis, CA 95616

Phone : (530) 752-2432

Location

Counties
Sacramento

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
class 4, 6
Reasons for Exemption
The proposed project is consistent with the CEQA categorical exemption class 4 (minor alteration to land) and class 6 (information collection). In addition, no exceptions to the exemption apply to the project. The project area includes potential habitat for the giant garter snake but the project would have no effect on the giant garter snake.
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