Klamath River Valley – Lower Klamath Lake
Statistics
- Basin Name
- Klamath River Valley – Lower Klamath Lake
- Basin Number
- 1-002.02
- SGMA Basin Priority
- Very Low
- Critically Overdrafted
- No
- Hydrologic Region Name
- North Coast
- Counties
- Siskiyou
- Adjacent Basins
Basin Notes
2003: Bulletin 118 basin description
U.S. Bureau of Reclamation (USBR) Klamath Project
U.S. Geological Survey (USGS) Klamath groundwater studies
U.S. Fish and Wildlife Service (USFWS) Lower Klamath National Wildlife Refuge
Oregon Wild Klamath pages The Klamath Tribes – Tribal Administration
2018: Basin Prioritization: Very Low.
At-A-Glance

California Water Library Documents About This Basin
Statement of Findings Regarding the Approval of the Klamath River Valley – Tulelake Subbasin 2024 Groundwater Sustainability Plan
California Department of Water Resources (DWR) | February 27th, 2025
The Klamath River’s dams are being removed. Inside the effort to restore a scarred watershed
Los Angeles Times | March 24th, 2024
HORNBROOK, Calif. — Near the California-Oregon border, reservoirs that once submerged valleys have been drained, revealing a stark landscape that had been underwater fo
After the Flood: As the world’s largest dam removal takes shape, restoration ecologists are poised to transform a landscape
American Association for the Advancement of Science (AAAS) | October 19th, 2023
Standing on an outcrop of volcanic rock, Joshua Chenoweth looks across the languid waters of California’s Iron Gate Reservoir and imagines the transformation in store f
2022 Drought Plan Klamath Project, Oregon-California Interior Region 10, California-Great Basin
U.S. Bureau of Reclamation (USBR) | April 29th, 2022
The Klamath Project (Project) delivers water for irrigation purposes to up to approximately 230,000 acres in southern Oregon and northern California when water is availab
Rivers that Depend on Aquifers: Drafting SGMA Groundwater Plans with Fisheries in Mind
Golden Gate University (GSU) | April 12th, 2018
In California, surface waters have historically been regulated as if they were unconnected to groundwater. Yet, in reality, surface waters and groundwater are often hydro
Scott Valley Integrated Hydrologic Model: Data Collection, Analysis, and Water Budget Final Report
University of California, Davis (UC Davis) | November 14th, 2017
The Scott Valley is an agricultural groundwater basin in Northern California, within the Scott River watershed and part of the much larger Klamath Basin watershed straddl
Effects of Groundwater Pumping on Agricultural Drains in the Tule Lake Subbasin, Oregon and California
U.S. Geological Survey (USGS) | July 24th, 2015
Since 2001, irrigators in the upper Klamath Basin have increasingly turned to groundwater to compensate for reductions in surface-water allocation caused by shifts from
Dam removal and anadromous salmonid (Oncorhynchus spp.) conservation in California
Reviews in Fish Biology and Fisheries (Springer) | June 4th, 2014
Dam removal is often proposed for restoration of anadromous salmonid populations, which are in serious decline in California. However, the benefits of dam removal vary du
Ground-Water Hydrology of the Upper Klamath Basin, Oregon and California
U.S. Geological Survey (USGS) | April 15th, 2010
The upper Klamath Basin spans the California-Oregon border from the flank of the Cascade Range eastward to the Basin and Range Province, and encompasses the Klamath River
Hoopa Valley Tribe Water Quality Plan
Hoopa Valley Tribal Environmental Protection Agency | February 14th, 2008
The Hoopa Valley Tribal Council pursuant to Title 37 of the Hoopa Tribal Code has assigned the primary responsibility for the protection and enhancement of water quality
Endangered and Threatened Fishes in the Klamath River Basin: Causes of Decline and Strategies for Recovery (2003)
National Academy of Sciences (NAS) | January 1st, 2004
Instead of focusing primarily on how water levels and flows affect endangered and threatened fish in Oregon's Upper Klamath Lake and the Klamath River -- which run fr
A Review of the History of Water Use throughout the Klamath River Basin
University of California, Davis (UC Davis) | April 15th, 2003
Water in the Klamath River Basin has been put to use by humans for thousands of years. Beginning with Indian tribes that lived in the area, who used the rivers for fishin
Geology and Ground Water Features of the Butte Valley Region Siskiyou County California
U.S. Geological Survey (USGS) | January 14th, 1960
The Butte Valley region includes an area of about 600 square miles, between long 121°37' and 122°10' W. and lat 41°38' and 42° N., in northern Siskiyou County, Cali