Siskiyou County California Mountains of Opportunity

APCD Burn permits required except for residential burning. Burn hours are 1-hour after sunrise to sunset. Call 530-842-8123 for burn day status or toll-free within Siskiyou County 866-652-2876

For More Information Current Air Quality

Burn Status

Klamath Dam Decommissioning Project

Shasta Valley FINAL Groundwater Sustainability Plan

The Shasta Valley Groundwater Sustainability Plan (GSP) has been APPROVED by the Department of Water Resources. DWR's Determination can be found here DWR Shasta Valley Determination. The copy can also be found under Supporting Documents.

This page is dedicated to the Final Shasta Valley Groundwater Sustainability Plan (GSP) staff recommended to the GSA Board for approval and adoption on December 7th, 2021. Here is the final GSP submitted to DWR.

Supporting Documents

Shasta Valley GSP DWR Determination (981 KB)

Shasta Valley GSP Executive Summary (9 MB)

Shasta Valley FINAL GSP Chapter 1 (323 KB)

Shasta Valley FINAL GSP Chapter 2 (Part 1) (29 MB)

Shasta Valley FINAL GSP Chapter 2 (Part 2) (36 MB)

Shasta Valley FINAL GSP Chapter 3 (17 MB)

Shasta Valley FINAL GSP Chapter 4 (584 KB)

Shasta Valley FINAL GSP Chapter 5 (810 KB)

Shasta Appendix 1A Communication and Engagement Plan (1 MB)

Shasta Appendix 1B Record of Public Meetings (21 KB)

Shasta Appendix 1C Comment Response Summary (13 MB)

Shasta Appendix 1D Karuk Memorandum of Understanding (965 KB)

Shasta Appendix 2A Geologic Modeling Methodology (12 MB)

Shasta Appendix 2B Water Quality (34 MB)

Shasta Appendix 2C Expanded Basin Setting (73 MB)

Shasta Appendix 2D Subsidence (19 MB)

Shasta Appendix 2E Model Documentation (21 MB)

Shasta Appendix 2F Geophysics Investigation (65 MB)

Shasta Appendix 2G Groundwater Dependent Ecosystem Assessment (208 KB)

Shasta Appendix 2H Shallow Piezometer Transect Study (3 MB)

Shasta Appendix 2I ET and Applied Water Estimates (475 KB)

Shasta Appendix 2J Surface Diversion Estimates (2 MB)

Shasta Appendix 3A Data Gap Assessment (12 MB)

Shasta Appendix 3B Monitoring Protocols (88 KB)

Shasta Appendix 3C Water Level Sustainability Management Criteria (5 MB)

Shasta Appendix 3D ISW SMC (5 MB)

Shasta Appendix 5A PMA Prioritization System (201 KB)

Shasta Appendix 5B Annual Reporting Template (2 MB)

Shasta Appendix 5C Financial Analysis for GSP Implementation (4 MB)

Shasta Appendix 5D Siskiyou County Agricultural Economic Analysis Considering Groundwater Regulation (2 MB)

List of Acronyms (400 KB)

Glossary (361 KB)

Contact Information

Elizabeth Nielsen
Deputy County Administrator
enielsen@co.siskiyou.ca.us (530) 842-8012

Matt Parker
Natural Resources Specialist
mparker@co.siskiyou.ca.us

8:00am – 5:00pm, Mon – Fri

1312 Fairlane Road, Suite 1
Yreka, CA 96097

Phone: 530-842-8005
888-854-2000 ext. 8005
Fax: 530-842-8013

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