Napa Valley Subbasin Groundwater Sustainability Plan & Monitoring Well Installation Project

Summary

SCH Number
2020060115
Lead Agency
Napa County
Document Title
Napa Valley Subbasin Groundwater Sustainability Plan & Monitoring Well Installation Project
Document Type
NOE - Notice of Exemption
Received
Posted
6/5/2020
Project Applicant
Napa County

Document Description
Project involves completion of a Groundwater Sustainability Plan (GSP) for the Napa Valley Groundwater Subbasin (Subbasin) to comply with Sustainable Groundwater Management Act, stakeholder engagement and outreach, development of an integrated hydrologic model for the Subbasin, and installation and instrumentation, of four (4) groundwater monitoring facilities (wells) to collect and monitor groundwater levels. The GSP for the Napa Valley Subbasin will document conditions related to groundwater such as land subsidence, surface water and groundwater within the Napa Valley Subbasin. The integrated hydrologic flow model (IHM) will be used to inform management actions, including to: develop water budgets, simulate hydrologic responses to climate change and future land use decisions; test the efficacy of projects and management actions to maintain groundwater sustainability. The installation and operation of monitoring wells will address groundwater data gaps, refine data collection efforts and provide crucial monitoring data related to surface water and groundwater interaction to support the management of the Subbasin.

Contact Information
Dan Zador
Napa County - Planning, Building & Environmental Services
1195 Third Street, 2nd Floor
Napa, CA 94559

Phone : (707) 259-8239

Location

Cities
Calistoga Napa St. Helena Yountville
Counties
Napa
Other Location Info
Four (4) individual well locations ranging from south Napa to south of Calistoga

Notice of Exemption

Exempt Status
Ministerial
Type, Section or Code
Sec. 21080(b)(1); 15268
Reasons for Exemption
Part of the project consists of components such as the preparation of a Groundwater Sustainability Plan which is statutorily exempt from CEQA: Division 13 (commencing with Section 21000) of the Public Resources Code does not apply to the preparation and adoption of groundwater sustainability plans pursuant to Water Code Division 6, Part 2.74, Chapter 6, Section 10728.6, therefore the California Environmental Quality Act (CEQA) is not applicable to the development of a groundwater sustainability plan for the Napa Valley Groundwater Subbasin. The other component of the project consists of the installation, maintenance and operation of groundwater monitoring wells, which is categorically exempt from CEQA under the following categorical classes: Class 3: [See Class 3 ("New Construction or Conversion of Small Structures") which may be found in the guidelines for the implementation of the California Environmental Quality Act at 14 CCR §15303; see also Napa County's Local Procedures for Implementing the California Environmental Quality Act, Appendix B.]; Class 4: [See Class 4 ("Minor Alterations to Land") which may be found in the guidelines for the implementation of the California Environmental Quality Act at 14 CCR §15304; see also Napa County's Local Procedures for Implementing the California Environmental Quality Act, Appendix B.]; Class 6: [See Class 6 ("Information Collection") which may be found in the guidelines for the implementation of the California Environmental Quality Act at 14 CCR §15306.]; and Class 7: [See Class 7 th is type of project does not have a significant effect on the environment and is exempt from the California Environmental Quality Act. [See Class 7 ("Actions by Regulatory Agencies for Protection of Natural Resources") which may be found in the guidelines for the implementation of the California Environmental Quality Act at 14 CCR §15307. In addition, under Appendix A of Napa County's Local Procedures for Implementing the California Environmental Quality Act, #5, #-6, and #7, well permits are ministerially exempt from CEQA, including Class 1 well permits, permits to reconstruct or deconstruct a well, and well as the groundwater permit exempt finding. The project is intended to assure the maintenance, restoration, enhancement and protection of groundwater resources and the environment.
Exempt Status
Categorical Exemption
Type, Section or Code
Class 6, Section 15306; Class 8, Section 15308
Reasons for Exemption
Part of the project consists of components such as the preparation of a Groundwater Sustainability Plan which is statutorily exempt from CEQA: Division 13 (commencing with Section 21000) of the Public Resources Code does not apply to the preparation and adoption of groundwater sustainability plans pursuant to Water Code Division 6, Part 2.74, Chapter 6, Section 10728.6, therefore the California Environmental Quality Act (CEQA) is not applicable to the development of a groundwater sustainability plan for the Napa Valley Groundwater Subbasin. The other component of the project consists of the installation, maintenance and operation of groundwater monitoring wells, which is categorically exempt from CEQA under the following categorical classes: Class 3: [See Class 3 ("New Construction or Conversion of Small Structures") which may be found in the guidelines for the implementation of the California Environmental Quality Act at 14 CCR §15303; see also Napa County's Local Procedures for Implementing the California Environmental Quality Act, Appendix B.]; Class 4: [See Class 4 ("Minor Alterations to Land") which may be found in the guidelines for the implementation of the California Environmental Quality Act at 14 CCR §15304; see also Napa County's Local Procedures for Implementing the California Environmental Quality Act, Appendix B.]; Class 6: [See Class 6 ("Information Collection") which may be found in the guidelines for the implementation of the California Environmental Quality Act at 14 CCR §15306.]; and Class 7: [See Class 7 th is type of project does not have a significant effect on the environment and is exempt from the California Environmental Quality Act. [See Class 7 ("Actions by Regulatory Agencies for Protection of Natural Resources") which may be found in the guidelines for the implementation of the California Environmental Quality Act at 14 CCR §15307. In addition, under Appendix A of Napa County's Local Procedures for Implementing the California Environmental Quality Act, #5, #-6, and #7, well permits are ministerially exempt from CEQA, including Class 1 well permits, permits to reconstruct or deconstruct a well, and well as the groundwater permit exempt finding. The project is intended to assure the maintenance, restoration, enhancement and protection of groundwater resources and the environment.
Exempt Status
Statutory Exemption
Type, Section or Code
See NOE for full details.
Reasons for Exemption
Part of the project consists of components such as the preparation of a Groundwater Sustainability Plan which is statutorily exempt from CEQA: Division 13 (commencing with Section 21000) of the Public Resources Code does not apply to the preparation and adoption of groundwater sustainability plans pursuant to Water Code Division 6, Part 2.74, Chapter 6, Section 10728.6, therefore the California Environmental Quality Act (CEQA) is not applicable to the development of a groundwater sustainability plan for the Napa Valley Groundwater Subbasin. The other component of the project consists of the installation, maintenance and operation of groundwater monitoring wells, which is categorically exempt from CEQA under the following categorical classes: Class 3: [See Class 3 ("New Construction or Conversion of Small Structures") which may be found in the guidelines for the implementation of the California Environmental Quality Act at 14 CCR §15303; see also Napa County's Local Procedures for Implementing the California Environmental Quality Act, Appendix B.]; Class 4: [See Class 4 ("Minor Alterations to Land") which may be found in the guidelines for the implementation of the California Environmental Quality Act at 14 CCR §15304; see also Napa County's Local Procedures for Implementing the California Environmental Quality Act, Appendix B.]; Class 6: [See Class 6 ("Information Collection") which may be found in the guidelines for the implementation of the California Environmental Quality Act at 14 CCR §15306.]; and Class 7: [See Class 7 th is type of project does not have a significant effect on the environment and is exempt from the California Environmental Quality Act. [See Class 7 ("Actions by Regulatory Agencies for Protection of Natural Resources") which may be found in the guidelines for the implementation of the California Environmental Quality Act at 14 CCR §15307. In addition, under Appendix A of Napa County's Local Procedures for Implementing the California Environmental Quality Act, #5, #-6, and #7, well permits are ministerially exempt from CEQA, including Class 1 well permits, permits to reconstruct or deconstruct a well, and well as the groundwater permit exempt finding. The project is intended to assure the maintenance, restoration, enhancement and protection of groundwater resources and the environment.

Attachments

Notice of Exemption
2020060115_NOE for GSA GSP and Monitoring   PDF 939 K

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